taxonID	type	description	language	source
08765E554DD1839503A5FA594C17469C.taxon	description	Description. Male. Length of forewing ca. 2.0 - 5.0 mm. Wings unmodified, lacking a pouch, bulla, or patches of scales; forewing broad basally, acute apically; hind wing narrow, more acute than forewing, with row of hooked setae basal to cross vein r (Fig. 1 E), edges with long setal fringe. Head with 2 or 3 ocelli; bearing setae and pair of setiferous posterolateral warts, dorsal region sometimes bearing modifications such as eversible posterolateral warts, patches of scales in place of setae, or setiferous protuberances (Figs 1 A, 3, 4); antennae generally simple and unmodified, all flagellomeres of uniform size and shape, except in some species in which they may be elongate or have an inflated appearance (Figs 1 A, 3). Maxillary palps with 5 segments, labial palps with 3 segments (Fig. 1 B). Tibial spur count 1, 3, 4 (Fig. 1 D). Mesoscutellum with transverse suture; metascutellum pentagonal (Fig. 1 C). Genitalia. Abdominal sternum VII with single mesoventral process or tuft of prominent setae (Figs 2 B, D, 34 B). Sternum VIII produced posteroventrally beneath segment IX (Fig. 2 B), with a posteromesal division (Fig. 2 D). Segment IX open ventrally, sternum not developed (Fig. 2 D), posterolateral margin with row of prominent setae (Fig. 2 A). Tergum x with heavily sclerotized lateral plates, consisting of ventral and dorsal sclerites, and membranous apex (Fig. 2 A). Subgenital plate connected dorsally to ventral angles of tergum x sclerites, produced ventrally as elongate mesal sclerite extending to base of inferior appendage, sometimes with dorsal arm (Fig. 10 A), always with ventral arm (Fig. 2 A, 10 A). Inferior appendage simple, elongate, sometimes fused mesoventrally, generally with dorsal spine (Fig. 2 A, D). Phallus tubular basally, constricted at midlength with median complex bearing basal loop and pair of spherical " windows " (Fig. 8 E, F), basal loop sometimes extended on pair of basal supports (Fig. 10 F); apex large, membranous, sac-like, generally bearing spines or sclerites.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
B94112E4063F8068C22E1FDBDF49EF26.taxon	diagnosis	Diagnosis. This species is known only from the male fossil holotype preserved in Dominican amber. While some characteristics of Leucotrichia adela were originally described as difficult to examine and understand, Wells and Wichard (1989) did remark that the species shared similarities in the shape and form of abdominal segment IX and the genitalia with those of Leucotrichia chiriquiensis and Leucotrichia tubifex. It seems appropriate to place it in the melleopicta species group, due to the presence of 3 ocelli, an unmodified head, and a mesoventral process on sternum VII.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
B94112E4063F8068C22E1FDBDF49EF26.taxon	description	Description. Redescribed from Wells and Wichard (1989). Male. Length of forewing 1.4 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Tibial spur count 1, 3, 4. Genitalia. Genitalia obscured and difficult to interpret. Abdominal sternum VII with slender, elongate mesoventral process. Sternum VIII in ventral view with posterior margin concave. Posterior margin of segment IX concave in dorsal view. Membranous apex of tergum x rounded. Inferior appendage bract-like.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
B94112E4063F8068C22E1FDBDF49EF26.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
EEA86CD63BA6C9A38777571F55B1C4BA.taxon	diagnosis	Diagnosis. Leucotrichia alisensis is similar to Leucotrichia yungarum; in each, the ventral arm of the subgenital plate is acute in lateral view and the apex of the inferior appendage is digitate in ventral view. Additionally, the shape of the inferior appendage in lateral view is similar in both species, particularly the rounded basal area. Leucotrichia alisensis can be recognized by the V-shaped concave posterior margin of sternum VIII, which is U-shaped in Leucotrichia yungarum, and by the curved anterolateral projection which is absent in Leucotrichia yungarum.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
EEA86CD63BA6C9A38777571F55B1C4BA.taxon	description	Description. Redescribed from Rueda Martin (2011). Male. Head unmodified, with 3 ocelli; antennae unmodified. Genitalia. Abdominal sternum VII with mesoventral process not apparent. Sternum VIII in ventral view with posterior margin concave with small mesal emargination. Segment IX anterolateral margin with curved ventrolateral projection, posterolateral margin irregular. Membranous apex of tergum x slender, extending posteriad, with mesodorsal projection. Subgenital plate with dorsal arm not apparent; ventral arm narrow, apex acute. Inferior appendage rounded basally, apex digitate; in ventral view basally subquadrate. Phallus apex with light dorsal sclerites.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
EEA86CD63BA6C9A38777571F55B1C4BA.taxon	etymology	Etymology. Named for the National Park Campo de Los Alisos, Tucaman, Argentina, the location where the holotype was collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
896E4119A7148FC68B79CA2CAE71EB09.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia mutica. Both of these species possess an inferior appendage that is broadest mesally in lateral view and digitate in ventral view and the dorsal sclerite of the phallus in each species has an apical emargination. Leucotrichia melleopicta can be recognized by the enlarged apex of the mesoventral process on sternum VII, the apical emargination of the ventral arm of the subgenital plate, and the basal fusion of the inferior appendages.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
896E4119A7148FC68B79CA2CAE71EB09.taxon	description	Description. Male. Length of forewing 1.9 - 2.5 mm (n = 9). Head unmodified, with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with elongate mesoventral process with enlarged apex. Sternum VIII in ventral view with posterior margin concave with rounded mesal emargination. Segment IX anterolateral margin straight, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite slender; ventral sclerite semielliptic with tridentate posterior margin; membranous apex not well developed. Subgenital plate with dorsal arm not apparent; ventral arm arched mesally, apex slightly flared (Fig. 2 A), in ventral view with rounded apical emargination. Inferior appendage broadest mesally, apex rounded, bearing single dorsal spine; in ventral view fused basally, subspatulate. Phallus with " windows " of median complex not apparent, basal loop composed of 2 separate filaments, apex bearing dorsal sclerite with crenulate margins and pair of elongate internal sclerites.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
896E4119A7148FC68B79CA2CAE71EB09.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7DE66E56735ACC6BFA3248E7B1B1367C.taxon	diagnosis	Diagnosis. Leucotrichia angelinae sp. n., is most similar to Leucotrichia fulminea sp. n. These species share several similarities in the mesoventral process of sternum VII, inferior appendage, subgenital plate, and phallus, as discussed under Leucotrichia fulminea. In ventral view, the inferior appendage of Leucotrichia angelinae has an oval shape, while the inner margin in Leucotrichia fulminea is concave. Leucotrichia angelinae can also be distinguished by the presence of a short dorsal arm on the subgenital plate, which is lacking in Leucotrichia fulminea.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7DE66E56735ACC6BFA3248E7B1B1367C.taxon	description	Description. Male. Length of forewing 3.6 - 4.4 (n = 3). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with light green and dark brown setae; thorax dark brown with dark brown setae and mint green setae at edges, brown ventrally; leg segments with brown setae. Forewings covered with fine mottled light gray-green setae with dark brown setae along edges. Genitalia. Abdominal sternum VII with digitate mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin irregular; in dorsal view anterior margin shallowly concave, posterior margin irregular. Tergum x with dorsal sclerite simple; ventral sclerite semielliptic with tridentate posterior margin; membranous apex with dorsal and ventral lobes. Subgenital plate with dorsal arm short, curved dorsad, tapering apically; ventral arm elliptic with basal projection, in ventral view obovate with 2 small apical projections. Inferior appendage apex rounded, without dorsal spine; in ventral view oval, with subquadrate basal projection on outer margin. Phallus apex bearing pair of slender mesodorsal sclerites and pair of pointed apicodorsal sclerites extending outwards. Holotype male: VENEZUELA: Merida: Cacuta, 10 km E Tabay, 22. ii. 1976, C. M. and O. S. Flint (UMSP 000142591) (NMNH). Paratypes: Same data as holotype, 1 male, 1 female (NMNH); 19 km N Merida, 5600 ft, 9. ii. 1978, blacklight, Andean mountain forest, J. B. Heppner, 1 male (UMSP).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7DE66E56735ACC6BFA3248E7B1B1367C.taxon	etymology	Etymology. Named in honor of Angel Fowler, friend and colleague, for all her help in the field.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
07A1F3AD87F46E21D71CC95F269532FC.taxon	diagnosis	Diagnosis. Leucotrichia ayura is most similar to Leucotrichia repanda sp. n. Both species bear a small mesoventral process on sternum VII, an elongate sternum VIII with a concave posterolateral margin, an anterolaterally produced margin on segment IX, an inferior appendage curving slightly dorsad with a truncate apex, and a phallus apex with elongate dorsal sclerites. The elongate sclerites in Leucotrichia ayura are U-shaped in lateral view, making this species distinct from Leucotrichia repanda. The phallus apex of Leucotrichia ayura also bears a pair of small subapicodorsal spines that are absent in Leucotrichia repanda. Additionally, the inferior appendages of Leucotrichia ayura are separate, while they are fused in Leucotrichia repanda.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
07A1F3AD87F46E21D71CC95F269532FC.taxon	description	Description. Male. Length of forewing 2.3 - 2.9 mm (n = 8). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with bright yellow setae; thorax dark brown with bright yellow setae dorsally, brown ventrally; leg segments with dark brown setae. Forewings covered with fine bright yellow setae, apical 1 / 2 with brown setae. Genitalia. Abdominal sternum VII with small, digitate mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin slightly produced mesally, posterolateral margin with shallow mesal depression; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite simple; ventral sclerite with rounded projection on posterior margin; membranous apex rounded. Subgenital plate with dorsal arm not apparent; ventral arm digitate with small apical projection, in ventral view with rounded apical emargination. Inferior appendage broadest basally, apex truncate, bearing single dorsal spine; in ventral view digitate, with basal projection on outer margin. Phallus apex bearing pair of elongate dorsal sclerites (U-shaped and with slightly enlarged dorsal apex in lateral view) and pair of small, dark, subapicodorsal spines.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
07A1F3AD87F46E21D71CC95F269532FC.taxon	etymology	Etymology. Presumably named for Quebrada La Ayura, the location where some of the paratypes were collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
88AC123FA19B7016F3EB679E4E7FE062.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia dianeae sp. n., Leucotrichia extraordinaria, and Leucotrichia tapantia sp. n. In each of these species, the posterolateral margin of sternum VIII is produced, with the apex of the projection bearing either prominent setae or a peg-like seta. The shape of the phallus apex is also similar in all these species, with all bearing a pair of membranous apical lobes and lacking any external spines or sclerites. Leucotrichia bicornuta differs from the other 3 species in having fused inferior appendages and a distinct, irregularly shaped dorsal arm on the subgenital plate.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
88AC123FA19B7016F3EB679E4E7FE062.taxon	description	Description. Male. Length of forewing 2.5 - 3.4 mm (n = 3). Head unmodified, with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with digitate mesoventral process with small basal ridge. Sternum VIII posteromesal projection bearing long, prominent setae; in ventral view with posterior margin concave. Segment IX anterolateral margin broadly produced dorsolaterally, posterolateral margin irregular; in dorsal view anterior margin convex, posterior margin concave. Tergum x with dorsal sclerite slender; ventral sclerite semielliptic with tridentate posterior margin; membranous apex suborbicular. Subgenital plate with dorsal arm irregular, bent sharply dorsad (Fig. 9 A); ventral arm short, digitate, with basal projection, laterally obscured from view by inferior appendage (Fig. 9 A), in ventral view with rounded apical emargination. Inferior appendage arched mesally, apex hooked dorsally, bearing single dorsal spine; in ventral view entirely fused, apex emarginated. Phallus apex bearing paired apicodorsal lobes, no spines or sclerites apparent.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
88AC123FA19B7016F3EB679E4E7FE062.taxon	etymology	Etymology. Bi, Latin for " double "; cornutus, Latin for " horned ", referring to the 2 apicodorsal lobes of the phallus.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
17CEDCADAA65239AA3F42F73F478FB14.taxon	diagnosis	Diagnosis. Leucotrichia botosaneanui is most similar to Leucotrichia chiriquiensis, Leucotrichia hispida sp. n., Leucotrichia limpia, and Leucotrichia viridis. In all these species, the phallus bears a similar combination of characteristics: elongate basal supports on the midlength complex; a pair of small, membranous, apical lobes; and a membranous " bulge " on the ventral surface. Additionally, the posterolateral margin of sternum VIII is produced in these species. Leucotrichia botosaneanui can be separated from the other 4 species by the small, double-pointed mesoventral process on sternum VII and the pair of lateral sinuate sclerites present ventrolaterally on the phallus apex.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
17CEDCADAA65239AA3F42F73F478FB14.taxon	description	Description. Male. Length of forewing 2.0 - 2.3 mm (n = 6). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with yellow and dark brown setae; thorax dark brown with dark brown and yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine yellow setae, apical 1 / 4 with dark brown setae. Genitalia. Abdominal sternum VII with small, double-pointed mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin broadly produced dorsolaterally; in dorsal view anterior margin shallowly concave, posterior margin straight. Tergum x with dorsal sclerite simple; ventral sclerite semielliptic with tridentate posterior margin; membranous apex. Subgenital plate with dorsal arm slender, digitate; ventral arm tapering apically, in ventral view with small apical emargination and slightly subapically constricted. Inferior appendage short, with small basal emargination, broadest mesally, bearing single dorsal spine; in ventral view subspatulate, apex slightly produced. Phallus with median complex bearing elongate basal supports, apex bearing pair of apicodorsal lobes, pair of dark dorsal sclerites, and pair of lateral sinuate sclerites.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
17CEDCADAA65239AA3F42F73F478FB14.taxon	etymology	Etymology. Named in honor of the late Dr. Lazare Botosaneanu, a naturalist and entomologist formerly of the Zoological Museum of the University of Amsterdam.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9031F425CB0FDA6E021D6654AC0C9CAF.taxon	diagnosis	Diagnosis. This species is most similar to Leucotrichia sidneyi sp. n. The phallus apex in both species bears a membranous " bulge " on the ventral surface (Fig. 11 D), a pair of apical lobes, and lacks apical spines or sclerites. In Leucotrichia brasiliana, the phallus apex bears a pair of lateral sclerites that are U-shaped in lateral view and not present in Leucotrichia sidneyi. The membranous portion of the phallus apex of Leucotrichia brasiliana is truncate in both lateral and dorsal view, while it is small and rounded in Leucotrichia sidneyi.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9031F425CB0FDA6E021D6654AC0C9CAF.taxon	description	Description. Holotype unknown, topotypes pharate adults. Male. Length of forewing 1.3 - 1.7 (n = 2). Head unmodified, but with mandibles (pharate adult), with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with mesoventral process broken (indicated in Fig. 11 C). Sternum VIII torn in all specimens and difficult to examine in lateral view; in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin with shallow mesal depression; in dorsal view anterior margin straight, posterior margin broadly concave. Tergum x with dorsal sclerite slender, elongate; ventral sclerite large, semielliptic, with tridentate posterior margin; membranous apex truncate. Subgenital plate with dorsal arm not apparent; in ventral view ovate. Inferior appendage broadest basally, apex rounded, bearing single dorsal spine; in ventral view broadly rounded on outer margin. Phallus apex bearing pair of elongate sclerites (U-shaped in lateral view) and pair of apicodorsal lobes.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9031F425CB0FDA6E021D6654AC0C9CAF.taxon	etymology	Etymology. Presumably named for the country of Brazil, where the species was collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
AA93568391F0E9059CBFAC29157C93E9.taxon	diagnosis	Diagnosis. This species is most similar to Leucotrichia lerma, Leucotrichia padera, and Leucotrichia rhomba sp. n. All these species possess a phallus with no spines and few, if any, elongate sclerites on the membranous apex; a mild, broad protuberance on the posterolateral margin of sternum VIII; and anterolateral margin on segment IX produced. Leucotrichia brochophora can be recognized by the presence of basal supports on the basal loop of the phallus midlength complex, a small mesoventral process on sternum VI, and stout pegs on the posterolateral margin of segment IX, all of which are absent in the other 3 species.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
AA93568391F0E9059CBFAC29157C93E9.taxon	description	Description. Male. Length of forewing 5.2 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head cleared in holotype, brown; thorax brown with dark brown and yellow setae dorsally, brown ventrally; leg segments with light brown setae. Forewings covered with fine yellow setae, apical 1 / 3 with dark brown setae. Genitalia. Abdominal sternum VI with small pointed mesoventral process (Fig. 12 D), obscured by setae in lateral view. Abdominal sternum VII with mesoventral process broken (indicated in Fig. 12 D). Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin convex with stout peg-like setae dorsolaterally; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite simple; ventral sclerite lower half bent anteriad; membranous apex suborbicular. Subgenital plate with dorsal arm not apparent; ventral arm tapering apically, in ventral view apex broadly rounded. Inferior appendage with knoblike basal projection, apex truncate, bearing single dorsal spine; in ventral view with subbasal subtriangular emargination on inner margin, apex rounded. Phallus with median complex bearing basal supports; apex bearing 3 pairs of elongate sclerites: 1 st pair dorsal and with shallow apical emargination, 2 nd pair dorsal and with small apical projection, 3 rd pair lateral and slender.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
AA93568391F0E9059CBFAC29157C93E9.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
4E77DE9941BE95DF981A59C881E53590.taxon	diagnosis	Diagnosis. Leucotrichia chiriquiensis is most similar to Leucotrichia botosaneanui, Leucotrichia hispida sp. n., Leucotrichia limpia, and Leucotrichia viridis. These species share a similar combination of characteristics present in the phallus and the posterolateral margin of sternum VIII, as discussed under Leucotrichia botoseaneanui. This species differs from the other 4 in having a small set of dorsal hooks between the apical lobes of the phallus apex. It can most easily be separated from the others by the modifications of the antennae and head.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
4E77DE9941BE95DF981A59C881E53590.taxon	description	Description. Male. Length of forewing 2.1 - 2.9 mm (n = 31). Head (Fig. 4 A) with short, black, contiguous setae anteriorly (which leave irregular shapes when removed) and a pair of internal structures filled with similar setae, with 3 ocelli; antennae with scape elongate, anterior face indented and filled with dense patch of setae. Dorsum of head dark brown with light yellow setae; thorax dark brown with yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine yellow setae, apical 1 / 4 with patch of brown setae. Genitalia. Abdominal sternum VII with slender, elongate mesoventral process with apex enlarged, rugose in ventral view. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin broadly produced dorsolaterally, posterolateral margin with shallow mesal depression; in dorsal view anterior margin concave, posterior margin broadly convex. Tergum x with dorsal sclerite slender, bent ventrad; ventral sclerite semielliptic with tridentate posterior margin; membranous apex suborbicular. Subgenital plate bent mesally; with dorsal arm not apparent; ventral arm tapering apically, curved ventrad, in ventral view base subtriangular and apex rounded. Inferior appendage dorsomesally " humped, " bearing single dorsal spine; in ventral view with small subapical emargination on inner margin. Phallus with median complex bearing elongate basal supports, apex bearing pair of elongate lateral sclerites and pair of dorsal hooks between pair of apical lobes.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
4E77DE9941BE95DF981A59C881E53590.taxon	etymology	Etymology. Presumably named for Chiriqui Province in Panama, where the holotype was collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
C86C4A93F0D09FE6D39BB9BBBBC96AA2.taxon	diagnosis	Diagnosis. Leucotrichia denticulata sp. n., can be separated from all other species in teh genus by a suite of characteristics found on the phallus. The presence of the pair of mesolateral lobes, pair of large apically-hooked sclerites, and pair of apical lobes bearing peg-like setae distinguish the phallus from that of Leucotrichia denticulata (Figs 14 E, F).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
C86C4A93F0D09FE6D39BB9BBBBC96AA2.taxon	description	Description. Male. Length of forewing 3.7 - 4.2 mm (n = 2). Head unmodified, with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with digitate mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin irregular; in dorsal view anterior margin shallowly concave, posterior margin straight. Tergum x with dorsal sclerite simple; ventral sclerite semielliptic with crenulate posterior margin; membranous apex suborbicular. Subgenital plate with dorsal arm digitate; ventral arm rounded basally, tapering apically, in ventral view sublanceolate. Inferior appendage arched mesally, apex truncate, bearing single dorsal spine; in ventral view entirely fused, with basal projection on outer margin, apex emarginated. Phallus apex bearing pair of mesolateral lobes, pair of hooked mesodorsal sclerites, and pair of apical lobes with row of peg-like setae. Holotype male: MEXICO: Nuevo Leon: Muncipio de Santiago, Arroyo San Juan on road to Laguna de Sanchez, 3.5 km W La Cienegra, 25 ° 24 ' N, 100 ° 17 ' W, 1400 m, 13. v. 1989, Harris and Contreras (in alcohol) (UMSP 000142916) (UMSP). Paratype: Same data as holotype, 1 male (in alcohol) (UMSP).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
C86C4A93F0D09FE6D39BB9BBBBC96AA2.taxon	etymology	Etymology. Denticulatus, Latin for " with small teeth ", referring to the row of peg-like setae on the apical lobes of the phallus.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
0DB48946C2F0FE0EDCCF3471C9BE6C50.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia bicornuta, Leucotrichia extraordinaria, and Leucotrichia tapantia sp. n. These species share a similar combination of characteristics present in the phallus and the posterolateral margin of sternum VIII, as discussed under Leucotrichia bicornuta. Of these species, Leucotrichia dianeae sp. n., is most similar to Leucotrichia tapantia, as discussed under Leucotrichia tapantia. The apical lobes of the phallus apex of Leucotrichia dianeae arise from the same apicomesal location on the apex, while those of Leucotrichia tapantia are separated from each other in more apicolateral locations. Additionally, the mesal projection on the posterior margin of sternum VIII is pointed in Leucotrichia dianeae and rounded in Leucotrichia tapantia. The rugose ventral surface of the apex of the mesoventral process on sternum VII separates Leucotrichia dianeae from all 3 of the other species.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
0DB48946C2F0FE0EDCCF3471C9BE6C50.taxon	description	Description. Male. Length of forewing 3.4 - 4.1 mm (n = 10). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with yellow setae; thorax dark brown with dark brown and yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine yellow setae with dark brown setae at edges and apex. Genitalia. Abdominal sternum VII with pointed, rugose mesoventral process with small basal ridge. Sternum VIII lateral projection elongate, extending dorsad, apex bearing tuft of prominent setae (Fig. 15 B), in ventral view with posterior margin concave with small, pointed mesal projection (Fig. 15 D). Segment IX anterolateral margin convex, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite slender; ventral sclerite semielliptic with tridentate posterior margin; membranous apex subquadrate. Subgenital plate with dorsal arm digitate; ventral arm slender, arched mesally, apex acute, in ventral view oblong. Inferior appendage broadest basally, apex digitate, bearing single dorsal spine; in ventral view with basal projection on outer margin and emargination on inner margin. Phallus apex bearing pair of internal apodemes, pair of broad mesolateral membranous lobes, apex divided into pair of lateral lobes. Holotype male: COSTA RICA: Cartago, Reserva Tapanti, waterfall, ca. 1 km (road) NW tunnel, 9.69 ° N, 83.76 ° W, 2 - 3. viii. 1990, el. 1600 m, Holzenthal, Blahnik, and Munoz (UMSP 000201649) (UMSP). Paratypes: same data as holotype, 9 males (UMSP); Cartago, Reserva Tapanti, waterfall, ca. 1 km (road) NW tunnel, 9.69 ° N, 83.76 ° W, 2 - 3. viii. 1990, el. 1600 m, Holzenthal, Blahnik, and Munoz, 1 male (in alcohol) (UMSP); Cartago, Reserva Tapanti, waterfall, ca. 1 km (road) NW tunnel, 9.69 ° N, 83.76 ° W, 10. vi. 1988, el. 1600 m, C. M. and O. S. Flint and R. W. Holzenthal, 1 male (NMNH).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
0DB48946C2F0FE0EDCCF3471C9BE6C50.taxon	etymology	Etymology. Named in honor of R. E. Thomson's mother, Diane Thomson, who has always been supportive of her daughter's entomological inclinations.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
42FA700172C5D2D10DE351B4354DF26F.taxon	diagnosis	Diagnosis. Leucotrichia dinamica is distinct from all other species in the genus due to the presence of the large scissor-like apical sclerites on the phallus apex (Fig. 16 F). The semielliptic sclerite found on the basal loop of the phallus midlength complex is also unique to Leucotrichia dinamica.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
42FA700172C5D2D10DE351B4354DF26F.taxon	description	Description. Male. Length of forewing 5.1 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with acute mesoventral process with apex enlarged in ventral view. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin produced dorsolaterally, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite simple; ventral sclerite semielliptic with tridentate posterior margin; membranous apex truncate. Subgenital plate with dorsal arm slender, arched mesally, apex slightly hooked dorsad; in ventral view, ovate and produced apically with small emargination; ventral arm digitate, apex slightly hooked dorsad, in ventral view oval. Inferior appendage dorsomesally " humped, " apex acute, bearing single dorsal spine; in ventral view with elongate basal projection strongly bent inward, apex strongly curved outward. Phallus with basal loop with mesal semielliptic sclerite and removed from " windows, " apex bearing pair of elongate internal sclerites and pair of scissor-like apical sclerites.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
42FA700172C5D2D10DE351B4354DF26F.taxon	etymology	Etymology. Named for Los Dinamos, the location where the holotype was collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
72D8006BFDC6BC552D716D1EEBDE729F.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia bicornuta, Leucotrichia dianeae, and Leucotrichia tapantia sp. n. These species share a similar combination of characteristics present in the phallus and the posterolateral margin of sternum VIII, as discussed under Leucotrichia bicornuta. Leucotrichia extraordinaria can be easily recognized by the single peg-like seta that occurs on the apex of the posterolateral projection of sternum VIII; the other 3 species all bear long, prominent setae in this location. The posterolateral projection is also much narrower and more acute in Leucotrichia extraordinaria than in the other 3 species. Additionally, the concave posterior margin of sternum VIII, when viewed ventrally, is much more rounded in Leucotrichia extraordinaria than in Leucotrichia bicornuta. It also lacks the small mesal projection present in both Leucotrichia tapantia and Leucotrichia dianeae.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
72D8006BFDC6BC552D716D1EEBDE729F.taxon	description	Description. Male. Length of forewing 2.4 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with digitate mesoventral process. Sternum VIII posteroventral projection bearing single peg-like spine, in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite simple; ventral sclerite broadest mesally, dorsal and ventral apices knoblike; membranous apex with 2 digitate projections and 1 large subtriangular projection extending posteriad. Subgenital plate with dorsal arm tapering apically, extending dorsad; ventral arm tapering apically, apex slightly hooked dorsad, in ventral view with small apical emargination. Inferior appendage dorsomesally " humped, " bearing single dorsal spine; in ventral view sinuate. Phallus apex bearing multiple pairs of elongate internal sclerites and pair of apical membranous lobes.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
72D8006BFDC6BC552D716D1EEBDE729F.taxon	etymology	Etymology. Extraordinaria, Spanish indicating " uncommon ", referring to the shape of sternum VIII.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
019C04B158D2714D616E901D52219770.taxon	diagnosis	Diagnosis. Leucotrichia fairchildi is similar to Leucotrichia imitator, Leucotrichia pictipes, and Leucotrichia sarita; the pictipes species group consists of these 4 species. In addition to the similarities discussed under " Species Relationships ", these species also possess similarities in the shape of the inferior appendage and sternum VII, when seen in lateral view, and in the presence of hollow sections of the subgenital plate (Fig. 18 A). While the head modifications of Leucotrichia fairchildi (Fig. 3 A) may be most similar to those of Leucotrichia pictipes, the broadened basal flagellum of the antennae and the setiferous protuberance on the dorsum of the head make Leucotrichia fairchildi easily distinguishable from Leucotrichia pictipes (Fig. 3 C). And both the peglike setae present on the phallus apex (Figs 18 E, F) and the small mesoventral process on sternum VII in place of prominent setae (Fig. 18 B) are characteristics that separate Leucotrichia fairchildi from all 3 of the other species.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
019C04B158D2714D616E901D52219770.taxon	description	Description. Male. Length of forewing 2.1 - 3.1 mm (n = 53). Head with posterolateral wart large, eversible, with membranous lobe beneath; anteromesally with asymmetrical, setiferous protuberance, with 2 ocelli; antennae with scape enlarged, basal flagellum very broad. Dorsum of head dark brown with light yellow setae; thorax dark brown with light yellow setae dorsally, brown ventrally; leg segments with brown and yellow setae. Forewings covered with fine brown setae with bands of yellow setae basally and scattered patches of yellow setae apically. Genitalia. Abdominal sternum VII with short, pointed mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin produced dorsolaterally, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite slender, elongate; ventral sclerite semielliptic with tridentate posterior margin; membranous apex amorphous. Subgenital plate bulbous, with hollow interior; with dorsal arm not apparent; ventral arm slender, acute, extending dorsad, in ventral view lanceolate. Inferior appendage straight, with small apicodorsal projection, bearing single dorsal spine; in ventral view apex hooked inward, broadly rounded on outer margin. Phallus apex trilobed, 2 lateral lobes with darkened dorsal margin, all 3 lobes bearing peglike setae on dorsal surface.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
019C04B158D2714D616E901D52219770.taxon	etymology	Etymology. Named in honor of G. Fairchild, the collector of the holotype specimen.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9CA4B33BAFA26D9DD331F0AABF1FA093.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia inops and Leucotrichia riostoumae sp. n. In all 3 species, the phallus apex is elongate, tubular, curving both ventrad and laterad, and bearing elongate sclerites or apodemes. Leucotrichia forrota can be easily distinguished from the other 2 species in having a slender, elongate, fused inferior appendage and a subgenital plate that is fused and continuous with both the ventral and dorsal sclerites of tergum X.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9CA4B33BAFA26D9DD331F0AABF1FA093.taxon	description	Description. Male. Length of forewing 4.6 - 5.2 mm (n = 62). Head with posterolateral warts pronounced, with 3 ocelli; antennae unmodified. Dorsum of head brown with yellow setae; thorax brown with yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine brown setae with stripe of yellow setae running the length of basal 1 / 2 and scattered patches of yellow setae on apical 1 / 2. Genitalia. Abdominal sternum VII with rugose mesoventral process with apex enlarged in ventral view. Sternum VIII in ventral view with posterior margin concave with pointed mesal emargination. Segment IX anterolateral margin produced mesally, posterolateral margin straight; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite continuous with ventral sclerite; ventral sclerite with crenulate posterior margin; membranous apex truncate. Subgenital plate fused with ventral sclerite of tergum X; with dorsal arm not apparent; ventral arm slender, digitate, with truncate basal projection, in ventral view oblong with apex rounded. Inferior appendage slender, elongate, apex hooked dorsally, bearing single dorsal spine; in ventral view entirely fused, with basal projection on inner margin, with 2 small apicomesal projections. Phallus apex elongate, coiled, bearing multiple elongate internal sclerites.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9CA4B33BAFA26D9DD331F0AABF1FA093.taxon	etymology	Etymology. Forrott, Hungarian for " fused ", referring to the completely fused inferior appendage.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
5DF4320F2C7D436E48181A42BAF645A4.taxon	diagnosis	Diagnosis. Leucotrichia fulminea sp. n., is most similar to Leucotrichia angelinae. Both species possess a long, slender mesoventral process on sternum VII; a broad, rounded inferior appendage; a subgenital plate with a small apical emargination in the ventral arm when viewed ventrally; and a phallus bearing a pair of subapicodorsal sclerites that each point laterad. Leucotrichia fulminea can be distinguished by the rugose ventral surface of the mesoventral process and the 3 small setae on the inferior appendage, each of which is absent in Leucotrichia angelinae. Near the base of the subapicodorsal sclerite on the phallus there is also a bend that can be seen in the lateral view that is not present in Leucotrichia fulminea.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
5DF4320F2C7D436E48181A42BAF645A4.taxon	description	Description. Male. Length of forewing 4.7 - 4.9 mm (n = 7). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with light yellow and dark brown setae; thorax dark brown with dark brown and light yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine light yellow setae mesally with dark brown setae along the edges. Genitalia. Abdominal sternum VII with elongate, rugose mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin irregular; in dorsal view anterior margin shallowly concave, posterior margin irregular. Tergum x with dorsal sclerite slender, bent ventrad; ventral sclerite large, semielliptic, with tridentate posterior margin; membranous apex with dorsal and ventral lobes, rhomboid in dorsal view. Subgenital plate with dorsal arm not apparent; ventral arm rounded basally, arched mesally, tapering apically, in ventral view with rounded apical emargination. Inferior appendage apex rounded, bearing 3 small dorsal setae; in ventral view inner margin crenulate. Phallus apex bearing multiple internal apodemes and pair of pointed subapicodorsal sclerites extending outward. Holotype male: ECUADOR: Canar, Rio Chauchas, 2910 m, 3 km N Zhud, 17. ix. 1990, O. S. Flint (UMSP 000140611) (NMNH). Paratypes: same data as holotype, 5 males (NMNH); same data as holotype, 1 male (UMSP).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
5DF4320F2C7D436E48181A42BAF645A4.taxon	etymology	Etymology. Fulmineus, Latin for " of lightning ", referring to the shape of the pointed dorsal sclerites on the phallus, which resemble lightning bolts when viewed laterally.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
95BFA10B382226BE23669386EFB1753E.taxon	diagnosis	Diagnosis. This species is most similar to Leucotrichia tubifex; in both species, sternum VIII is subquadrate in lateral view and the mesoventral process of segment VII is simple and pointed. The shape of the inferior appendage in each species is similar, with a small mesodorsal spine on the dorsal margin when viewed laterally and apex digitate when viewed ventrally. Leucotrichia gomezi differs from Leucotrichia tubifex in a combination of traits present on the phallus: the presence of large apical lobes, the large dorsal sclerite, and the basal supports of the midlength complex basal loop, none of which are present in Leucotrichia tubifex. Additional similarities and differences are discussed under Leucotrichia tubifex.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
95BFA10B382226BE23669386EFB1753E.taxon	description	Description. Male. Length of forewing 4.3 - 5.0 mm (n = 15). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head brown with light brown setae; thorax brown with bronze setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine bronze setae. Genitalia. Abdominal sternum VII with acute mesoventral process. Sternum VIII in ventral view with posterior margin very shallowly concave. Segment IX anterolateral margin produced mesally, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite slender, elongate; ventral sclerite small, reniform; membranous apex with small dorsal lobe and larger, subtriangular ventral lobe. Subgenital plate with dorsal arm triangular; ventral arm slender, apex slightly hooked dorsad, laterally obscured from view by inferior appendage, in ventral view oblong with small basal emargination and apex rounded. Inferior appendage broadest basally, with small dorsomesal spine, apex truncate, bearing single dorsal spine; in ventral view basally subquadrate, apically digitate. Phallus with median complex bearing short basal supports; apex bearing large, flat dorsal sclerite with large, rounded, apical emargination; paired elongate internal sclerites; 2 large, membranous dorsal lobes with apices curving ventrad; 1 smaller, mesoventral lobe (Fig. 21 E).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
95BFA10B382226BE23669386EFB1753E.taxon	etymology	Etymology. Named after Gomez, one of the collectors of the holotype specimen.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
3BD9CDAD7FA8FE615F7D753D25AC1260.taxon	diagnosis	Diagnosis. Leucotrichia hispida sp. n., is most similar to Leucotrichia botosaneanui, Leucotrichia chiriquiensis, Leucotrichia limpia, and Leucotrichia viridis. These species share a similar combination of characteristics present in the phallus and the posterolateral margin of sternum VIII, as discussed under Leucotrichia botoeaneanui. Leucotrichia hispida is distinct from the other 4 species in having an extremely rugose apex on the mesoventral process of sternum VII, a prominent tuft of setae on the posteroventral projection of sternum VIII, and no external spines or sclerites on the phallus apex.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
3BD9CDAD7FA8FE615F7D753D25AC1260.taxon	description	Description. Male. Length of forewing 4.2 - 5.0 mm (n = 3). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with light yellow and dark brown setae; thorax dark brown with light yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine dark brown setae with scattered patches of light yellow setae. Genitalia. Abdominal sternum VII with large, rugose mesoventral process and row of prominent setae (Fig. 22 D). Sternum VIII posteroventral projection bearing stout, prominent setae, in ventral view with posterior margin concave. Segment IX anterolateral margin broadly produced dorsolaterally, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite simple; ventral sclerite semielliptic with tridentate posterior margin; membranous apex small, suborbicular. Subgenital plate with dorsal arm not apparent; ventral arm broadest basally, apex slightly hooked dorsad, in ventral view oblong with small apical emargination. Inferior appendage broadest basally, apex digitate, bearing single dorsal spine; in ventral view with pair of digitate basal projections, inner margin crenulate. Phallus with median complex bearing elongate basal supports; apex bearing ventral " bulge " (Fig. 22 E), pair of small apicodorsal lobes, and small sclerotized internal structure between apical lobes (Fig. 22 F). Holotype male: COSTA RICA: San Jose, Rio Savegre, 9 ° 33.9 ' N, 83 ° 48 ' W, 2270 m, 7 - 8. viii. 2001, D. and W. N. Mathis (UMSP 000140610) (NMNH). Paratypes: same data as holotype, 1 male (NMNH), 1 male (UMSP).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
3BD9CDAD7FA8FE615F7D753D25AC1260.taxon	etymology	Etymology. Hispidus, Latin for " bristly ", referring to the extremely rugose apex of the mesoventral process of sternum VII.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
5DBE78BA0689DE53B61F44BA5AF05B3B.taxon	diagnosis	Diagnosis. Leucotrichia imitator is similar to Leucotrichia fairchildi, Leucotrichia pictipes, and Leucotrichia sarita. Leucotrichia imitator is most similar to Leucotrichia pictipes in having a phallus with multiple membranous, asetiferous lobes arising from the apex (Fig. 23 E, F). Leucotrichia imitator can be distinguished by having 3 lobes arising from the same apical location, while Leucotrichia pictipes has 2 pairs of symmetrically arranged lobes. Leucotrichia imitator is unique in that it has the reduced number of ocelli in male specimens, but does not also have some degree of head modifications (Fig. 4 B).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
5DBE78BA0689DE53B61F44BA5AF05B3B.taxon	description	Description. Male. Length of forewing 3.1 - 3.9 mm (n = 22). Head unmodified, with 2 ocelli; antennae unmodified. Dorsum of head brown with light brown setae; thorax dark brown with light brown setae dorsally, light brown ventrally; leg segments with light brown setae. Forewings covered with fine dark brown setae with scattered bands of light yellow setae. Genitalia. Abdominal sternum VII with mesoventral process replaced by tuft of dense, prominent setae. Sternum VIII in ventral view with posterior margin with V-shaped concavity. Segment IX anterolateral margin broadly produced dorsolaterally, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin broadly concave. Tergum x with dorsal sclerite slender, elongate; ventral sclerite semielliptic with tridentate posterior margin; membranous apex not well developed. Subgenital plate with dorsal arm not apparent; ventral arm with small knoblike basal projection, tapering apically, curved dorsad, in ventral view lanceolate. Inferior appendage straight, with small pointed subdorsobasal projection, bearing single dorsal spine; in ventral view basally subquadrate, apex hooked inward. Phallus apex bearing pair of internal sclerites and 3 digitate apical lobes.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
5DBE78BA0689DE53B61F44BA5AF05B3B.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7C7F93686FEBDB530C0DC448E101D8D0.taxon	diagnosis	Diagnosis. Leucotrichia inflaticornis can be separated from other species in the genus by the inflated basal segments of the antennae (Fig. 3 B) for which it was named, and the lack of mesoventral process on sternum VII. Additionally, the phallus apex bears 4 pairs of distinct dark spines.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7C7F93686FEBDB530C0DC448E101D8D0.taxon	description	Description. Holotype pharate adult, abdomen missing, genitalia redescribed from Botosaneanu and Alkins-Koo (1993). Male. Length of forewing 1.2 mm (n = 1). Head unmodified, with 3 ocelli; antennae scape normal, next 5 - 6 basal flagellum broadened similar to that of Leucotrichia pictipes. Color in alcohol brown. Genitalia. Abdominal sternum VII with mesoventral process not apparent. Sternum VIII in ventral view with posterior margin with V-shaped concavity. In dorsal view anterior margin of segment IX convex, posterior margin concave. Membranous apex of tergum x suborbicular. Subgenital plate apically bilobed, with small pointed projection at base of each lobe. Inferior appendage apex truncate; in ventral view entirely fused. Phallus with median complex present but only slightly developed, apex bearing 4 pairs of symmetrically arranged stout, dark spines.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7C7F93686FEBDB530C0DC448E101D8D0.taxon	etymology	Etymology. Specific epithet refers to the inflated appearance of basal antennal segments.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
E4CD0BE23E6E817954707EFFC27C91AA.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia forrota and Leucotrichia riostoumae sp. n. These species share a similar combination of characteristics present in the phallus, as discussed under Leucotrichia forrota. Of these species, Leucotrichia inops is most similar to Leucotrichia riostoumae. Each of these species possess a convex posterolateral margin on sternum VIII; an anterolateral projection on segment IX; an unfused inferior appendage that is basally subquadrate, apically hooked, and lacks a dorsal spine; and an apparent lack of midlength complex on the phallus. Leucotrichia inops can be distinguished by the small tuft of apical setae on the phallus and the shape of the membranous apex of tergum X, which is larger and extends further posteriad than that of Leucotrichia riostoumae. Also, in Leucotrichia inops the concave posterior margin of sternum VIII is V-shaped, while it is shallowly rounded in Leucotrichia riostoumae.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
E4CD0BE23E6E817954707EFFC27C91AA.taxon	description	Description. Male. Length of forewing 3.5 - 4.0 mm (n = 3). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with light gray-green setae on anterior edge; thorax brown with dark brown and light gray-green setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine mottled light gray-green setae with dark brown setae on apical 1 / 3. Genitalia. Abdominal sternum VII with acute mesoventral process with small basal ridge, apex enlarged in ventral view. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin with curved ventrolateral projection, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite continuous with ventral sclerite; ventral sclerite semielliptic with crenulate posterior margin; membranous apex subtriangular. Subgenital plate with dorsal arm digitate; ventral arm acute, extending dorsad, in ventral view oblong. Inferior appendage basally subquadrate, apex hooked dorsally, without dorsal spine; in ventral view subtriangular, outer margin crenulate. Phallus with median complex not apparent; apex elongate, curved strongly both ventrad and posteriad; with very slender, elongate sclerites; apex bearing tuft of small spines.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
E4CD0BE23E6E817954707EFFC27C91AA.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
2A698C6A3AC4DE3C9D3200DABA6B1A63.taxon	diagnosis	Diagnosis. Leucotrichia interrupta can be separated from all other species in the genus by the unique form of the phallus apex, which is trilobed and has the 2 lateral lobes appearing more bulbous than lobe-like. A second characteristic unique to Leucotrichia interrupta is the slender sclerite arising from the base of the " windows " of the midlength complex and following the anterior edge of each of the lateral lobes. The inferior appendage is also distinct in its large, subtriangular shape when viewed laterally.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
2A698C6A3AC4DE3C9D3200DABA6B1A63.taxon	description	Description. Male. Length of forewing 3.5 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head brown with yellow setae; thorax dark brown with bright yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine yellow setae, apical 1 / 4 with dark brown setae. Genitalia. Abdominal sternum VII with mesoventral process broken (indicated in Fig. 26 D). Sternum VIII in ventral view with posterior margin very shallowly concave. Segment IX anterolateral margin produced mesally, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite simple; ventral sclerite simple; membranous apex truncate. Subgenital plate with dorsal arm hollow, triangular (Fig. 26 A); ventral arm slender, tapering apically, curved ventrad, in ventral view subovate. Inferior appendage subtriangular, without dorsal spine; in ventral view entirely fused, apically digitate. Phallus apex trilobed; lateral lobes bulbous and with slender, elongate, sinuate sclerite along outer edge; short spines present on dorsal surface of all 3 lobes.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
2A698C6A3AC4DE3C9D3200DABA6B1A63.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9F66F3F2D3C5254C0AFEE34B8452251B.taxon	diagnosis	Diagnosis. Leucotrichia kateae sp. n., is known only from the male holotype. This species is most similar to Leucotrichia tritoven. Similarities between these species in the inferior appendage and the phallus are discussed under Leucotrichia tritoven. Leucotrichia kateae can be easily recognized from Leucotrichia tritoven by the mesoventral process of sternum VII, which is noticeably much larger and has a rugose ventral surface. The inferior appendage of Leucotrichia kateae is longer than that of Leucotrichia tritoven when viewed ventrally, and has a crenulate margin that is lacking in Leucotrichia tritoven. Leucotrichia kateae also bears a pair of small, curved, pointed sclerites on the phallus that are lacking in Leucotrichia tritoven.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9F66F3F2D3C5254C0AFEE34B8452251B.taxon	description	Description. Male. Length of forewing 2.4 mm (n = 1). Head missing. Thorax brown with light brown setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine light yellow setae, inner edge with longitudinal stripe of brown setae. Genitalia. Abdominal sternum VII with elongate, rugose mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin slightly produced ventrolaterally, posterolateral margin irregular; in dorsal view anterior margin shallowly concave, posterior margin concave. Tergum x with dorsal sclerite slender; ventral sclerite with rounded projection on posterior margin; membranous apex not well developed. Subgenital plate with dorsal arm broadest basally, tapering apically; ventral arm slender, digitate, in ventral view sublanceolate. Inferior appendage dorsomesally " humped, " apex truncate, bearing single dorsal spine; in ventral view inner and outer margins crenulate. Phallus apex bearing multiple obscured internal structures; small pair of pointed, curved, mesal sclerites; pair of mildly sinuate, subapicolateral sclerites; pair of apicodorsal membranous lobes. Holotype male: VENEZUELA: Aragua: 1 km E Estacion Biologica Rancho Grande, 10.352 ° N 67.680 ° W, el. 1100 m, 27. i. 1994, Holzenthal, Cressa, and Rincon, 1 male (UMSP 000201690) (UMSP).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
9F66F3F2D3C5254C0AFEE34B8452251B.taxon	etymology	Etymology. Named in honor of R. E. Thomson's sister, Kate Thomson, who had to put up with a sister who loves bugs.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
159DB458B7670BD2EEEBC1CD93FE9DE9.taxon	diagnosis	Diagnosis. Leucotrichia laposka can be easily separated from all other species in the genus by the apparent absence of the entire subgenital plate. The trilobed apex of the phallus is also proportionately much larger in this species than in any other in the genus. The rows of elongate spines along the mesal lobe are also unique to Leucotrichia laposka and, when viewed laterally, suggest the appearance of the spur of a cowboy boot.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
159DB458B7670BD2EEEBC1CD93FE9DE9.taxon	description	Description. Male. Length of forewing 2.4 - 2.8 mm (n = 5). Head with posterolateral warts pronounced, originally described as " hinged " but everscibility was not apparent, with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with slender, acute mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin irregular with small knob-like structure mesally; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite bent ventrad, continuous with ventral sclerite; ventral sclerite bent dorsad; membranous apex with large, membranous, apicoventrally hooked projection. Subgenital plate not apparent. Inferior appendage flat, elongate, dorsal margin crenulate, without dorsal spine but sparsely setose; in ventral view fused basally, subquadrate. Phallus apex large, trilobed; mesal lobe with rows of large, elongate spines.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
159DB458B7670BD2EEEBC1CD93FE9DE9.taxon	etymology	Etymology. Laposka, Hungarian for diminutive form of " flat ", referring to the broadened inferior appendage.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
33FDF9BAD8F078B8995B9099E1F5F1AA.taxon	diagnosis	Diagnosis. This species is most similar to Leucotrichia brochophora, Leucotrichia padera, and Leucotrichia rhomba sp. n. These species share a similar form in the apex of the phallus, sternum VIII, and segment IX, as discussed under Leucotrichia brochophora. Leucotrichia lerma differs from these species in the hooked appearance of the lateral sclerite of tergum x and the subtriangular appearance of the inferior appendage in ventral view.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
33FDF9BAD8F078B8995B9099E1F5F1AA.taxon	description	Description. Redescribed from Angrisano and Burgos (2002). Male. Length of forewing 2.9 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Genitalia. Abdominal sternum VII with slender, elongate mesoventral process. Sternum VIII in ventral view with posterior margin concave with row of prominent setae. Segment IX anterolateral margin produced mesally, posterolateral margin convex. Tergum x with lateral sclerite with apicoventral hook on posterior margin. Membranous apex of tergum x amorphous. Subgenital plate with dorsal arm not apparent; ventral arm tapering apically, apex slightly hooked dorsad. Inferior appendage digitate, apex hooked dorsally, bearing single dorsal spine; in ventral view subtriangular. Phallus apex bearing pair of ventral sclerites.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
33FDF9BAD8F078B8995B9099E1F5F1AA.taxon	etymology	Etymology. Named for Valle de Lerma, the location where the holotype was collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
69A724B2E2890EE7B2E64D9914431E14.taxon	diagnosis	Diagnosis. Leucotrichia limpia is most similar to Leucotrichia botosaneanui, Leucotrichia chiriquiensis, Leucotrichia hispida, and Leucotrichia viridis. These species share a similar combination of characteristics present in the phallus and the posterolateral margin of sternum VIII, as discussed under Leucotrichia botoeaneanui. The mesodorsal spines and short spines on the apical lobes of the phallus apex (Figs 30 E, F) and the small single-pointed mesoventral process of sternum VII separate Leucotrichia limpia from the other 4 species in this group.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
69A724B2E2890EE7B2E64D9914431E14.taxon	description	Description. Male. Length of forewing 3.0 - 4.6 mm (n = 13). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with light yellow setae; thorax dark brown with light yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine dark brown setae with scattered patches of light yellow setae. Genitalia. Abdominal sternum VII with short, acute mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin straight; in dorsal view anterior margin concave, posterior margin convex. Tergum x with dorsal sclerite simple; ventral sclerite semielliptic with tridentate posterior margin; membranous apex small, suborbicular. Subgenital plate with dorsal arm digitate, with slight mesal constriction; ventral arm broadest basally, tapering apically, in ventral view obovate. Inferior appendage basally subquadrate, apex truncate, bearing single dorsal spine; in ventral view entirely fused, subtriangular. Phallus with median complex bearing basal supports; apex bearing pair of stout spines dorsally, many short spines mesoventrally, and 2 membranous apical lobes bearing many short spines dorsally.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
69A724B2E2890EE7B2E64D9914431E14.taxon	etymology	Etymology. Named for Limpia Creek, the location where the holotype was collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F967519163F4EFB9B8D519303D4AE499.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia melleopicta. These species share similarities in the phallus and the shape of the inferior appendage, as discussed under Leucotrichia melleopicta. Leucotrichia mutica can be distinguished from Leucotrichia melleopicta by the basal ridge on the mesoventral process of sternum VII, the ovate shape of the ventral arm of the subgenital plate in ventral view, and the dorsal sclerite on the phallus, which is much smaller than that of Leucotrichia melleopicta.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F967519163F4EFB9B8D519303D4AE499.taxon	description	Description. Male. Length of forewing 3.0 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head cleared, color brown; thorax brown with light yellow setae dorsally, brown ventrally; leg segments with golden brown setae. Forewings covered with fine yellow setae, apical 1 / 3 with dark brown setae. Genitalia. Abdominal sternum VII with acute mesoventral process with small basal ridge, apex rounded in ventral view. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin straight; in dorsal view anterior margin sharply concave, posterior margin broadly concave. Tergum x with dorsal sclerite simple; ventral sclerite semielliptic with tridentate posterior margin; membranous apex truncate in dorsal view. Subgenital plate with dorsal arm not apparent; ventral arm broadest mesally, apex acute, laterally obscured from view by inferior appendage, in ventral view ovate. Inferior appendage dorsomesally " humped, " apex rounded, bearing single dorsal spine; in ventral view digitate. Phallus with basal half broken and missing; median complex not apparent; apex bearing single dorsal sclerite and pair of lateral sclerites; dorsal sclerite ovate, with apical emargination; lateral sclerites slender, sinuate.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F967519163F4EFB9B8D519303D4AE499.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8B607C834FC13CAB3574F2FFBF8626BE.taxon	diagnosis	Diagnosis. This species is most similar to Leucotrichia brochophora, Leucotrichia lerma, and Leucotrichia rhomba sp. n. All four species share a similar form of the apex of the phallus, sternum VIII, and segment IX, as discussed under Leucotrichia brochophora. Leucotrichia padera differs from these species by the presence of the dorsal arm of the subgenital plate (Fig. 32 A), which is absent in the other 3 species. It can also be recognized by the shape of the ventral arm of the subgenital plate in ventral view, which appears large and obovate with a rounded apical emargination (Fig. 32 D).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8B607C834FC13CAB3574F2FFBF8626BE.taxon	description	Description. Male. Length of forewing 3.0 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head cleared, brown; thorax brown with light yellow setae dorsally, light brown ventrally; leg segments with brown setae. Forewings covered with fine brown setae with 2 broad patches of light yellow setae, apex with dark brown setae. Genitalia. Abdominal sternum VII with elongate mesoventral process curving dorsad. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin straight; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite small, reniform; ventral sclerite subdeltoid; membranous apex suborbicular. Subgenital plate elongate, mildly sinuate, extending dorsally along posterior edge of tergum x ventral sclerite; with dorsal arm digitate, apex enlarged; ventral arm with basal projection, broadest mesally, apex slightly hooked dorsad, in ventral view obovate with rounded apical emargination. Inferior appendage broadest basally, apex hooked dorsally, bearing single dorsal spine; in ventral view with basal projection on inner margin, apically digitate. Phallus apex bearing pair of elongate dorsolateral sclerites and internal ventral apodeme.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8B607C834FC13CAB3574F2FFBF8626BE.taxon	etymology	Etymology. Presumably named for Quebrada Espadera, the location where the holotype was collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F2526F3870C8FC6E6CBEAF2612721CE0.taxon	diagnosis	Diagnosis. Leucotrichia pectinata sp. n., can be separated from all other species in the genus by several unique characteristics. The most striking characteristic is the apex of the phallus, which is broadened into a fan-shape and bears a row of peg-like setae on the posterior margin (Fig. 33 F). In lateral view, sternum VIII bears a large posterodorsal projection (Fig. 33 B) in contrast to the more common posteroventral projection. Sternum VII bears a row of prominent setae in addition to the mesoventral process (Fig. 33 D).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F2526F3870C8FC6E6CBEAF2612721CE0.taxon	description	Description. Male. Length of forewing 4.5 - 4.7 (n = 2). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with light yellow and dark brown setae; thorax dark brown with dark brown and light yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine dark brown setae with 2 large patches of light yellow setae, 1 st on apical 1 / 2 and 2 nd on basal 1 / 2. Genitalia. Abdominal sternum VII with slender mesoventral process with row of prominent setae basally. Sternum VIII with posterodorsal projection, in ventral view with posterior margin concave. Segment IX anterolateral margin broadly produced dorsolaterally, posterolateral margin convex; in dorsal view anterior margin straight, posterior margin concave. Tergum x with dorsal sclerite simple; ventral sclerite semielliptic with crenulate posterior margin; membranous apex not well developed. Subgenital plate with dorsal arm not apparent; ventral arm with basal projection, tapering apically, in ventral view oblong with digitate basal projection. Inferior appendage with small basal emargination, apex hooked dorsally, bearing single dorsal spine; in ventral view outer margin crenulate. Phallus apex fan-shaped, with posterior margin bearing row of peg-like setae. Holotype male: ECUADOR: Tungurahua, 13 km E Banos, 1550 m, 15. ix. 1990, O. S. Flint, (UMSP 000140619) (NMNH). Paratype: ECUADOR: Tungurahua, Banos (39 km E), 25. i. 1976, 4200 ft, blacklight, Spangler et al., 1 male (NMNH).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F2526F3870C8FC6E6CBEAF2612721CE0.taxon	etymology	Etymology. Pectinatus, Latin for " comblike, toothed ", referring to the row of peg-like setae along the broad apical margin of the phallus.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8333C9FB1F2339110D9BD1139349A3AE.taxon	diagnosis	Diagnosis. Leucotrichia pictipes is similar to Leucotrichia fairchildi, Leucotrichia imitator, and Leucotrichia sarita. Leucotrichia pictipes bears patches of scales, both on the dorsum of the head and the eversible membranous lobe beneath the posterolateral wart, which are absent in all 3 of the other species. The genitalia of Leucotrichia pictipes are similar to that Leucotrichia imitator, in having multiple membranous lobes arising from the apex of the phallus. While Leucotrichia imitator has 3 lobes, Leucotrichia pictipes can be distinguished by having 2 sets of symmetrically arranged lobes.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8333C9FB1F2339110D9BD1139349A3AE.taxon	description	Description. Male. Length of forewing 2.5 - 4.0 (n = 88). Head with patches of scales dorsally; posterolateral warts large, eversible, with scaled membranous lobes revealed when everted, with 2 ocelli; antennae with scape slightly enlarged, pedicel subtriangular, basal 3 flagellomeres narrow and compact. Dorsum of head brown with yellow setae; thorax brown with yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine brown setae with transverse stripe of yellow setae on basal 1 / 2 and small scattered patches of yellow setae on distal 1 / 3. Genitalia. Abdominal sternum VII with mesoventral process replaced by tuft of dense, prominent setae. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin broadly concave. Tergum x with dorsal sclerite slender; ventral sclerite semielliptic with tridentate posterior margin; membranous apex not well developed. Subgenital plate with dorsal arm not apparent; ventral arm hollow, apex acute (Fig. 34 A), in ventral view base with crenulate margin, apex rounded. Inferior appendage digitate, bearing single dorsal spine; in ventral view apex rounded. Phallus apex bearing U-shaped internal apodeme, broad ventral sclerite, and 2 pairs of membranous apicodorsal lobes.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8333C9FB1F2339110D9BD1139349A3AE.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
4F71B527ABFF72BB8764C5C43713DBE9.taxon	diagnosis	Diagnosis. This species is known only from the male holotype. Leucotrichia procera can be separated from all other species in the genus by the unique projection on the dorsal margin of the inferior appendage, which extends to be almost parallel with the dorsal surface of tergum x (Fig. 35 A). The phallus is also very simple, lacking any of the spines or sclerites commonly found in other species in the genus. Additionally, the scape of the antennae is enlarged and there is a patch of scales in place of setae on the dorsum of the head (Fig. 4 C).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
4F71B527ABFF72BB8764C5C43713DBE9.taxon	description	Description. Male. Length of forewing 3.4 mm (n = 1). Head with patches of scales dorsally, with 3 ocelli; antennae with enlarged scape, remaining flagellum missing. Dorsum of head brown with light yellow and dark brown setae; thorax dark brown with light yellow setae dorsally, dark brown ventrally; leg segments with dark brown setae. Forewings covered with fine dark brown setae with scattered patches of light yellow setae. Genitalia. Abdominal sternum VII with acute mesoventral process with small basal ridge, apex enlarged, rugose in ventral view. Sternum VIII in ventral view with posterior margin shallowly V-shaped. Segment IX anterolateral margin convex, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin broadly concave. Tergum x with dorsal sclerite continuous with ventral sclerite; ventral sclerite sinuate; membranous apex not well developed. Subgenital plate with dorsal arm not apparent; ventral arm with both basal projection and apex pointing ventrad, in ventral view with apical spine very prominent. Inferior appendage with setose dorsal margin and prominent, elongate, curved dorsal projection; in ventral view with basal projection on outer margin, apex of dorsal projection curving inward. Phallus apex bearing pair of small subapicodorsal lobes, no sclerites or spines. Holotype male: BRAZIL: Minas Gerais: Corrego da Serra de Ouro, Fino, Vale do Tropeiro, 20 ° 12.371 ' S, 43 ° 38.581 ' W, el. 1000 m, 8. x. 2000, Paprocki, Salgado, and Isaac (UMSP 000047406) (MZUSP).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
4F71B527ABFF72BB8764C5C43713DBE9.taxon	etymology	Etymology. Procerus, Latin for " tall, slender, long ", referring to the slender, elongate projection of the inferior appendage.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
09AF028182748B17ED9A419ECC70CEEB.taxon	diagnosis	Diagnosis. This species is most similar to Leucotrichia ayura. These species share similarities in the mesoventral process of sternum VII, the shape of sternum VIII, the shape of the inferior appendage, and sclerites observed on the phallus apex, as discussed under Leucotrichia ayura. Leucotrichia repanda sp. n., can be easily distinguished from Leucotrichia ayura by the presence of a pair of sharply bent dorsal sclerites, a pair of curved lateral sclerites, and an apical tuft of setae on the phallus apex, all of which are absent in Leucotrichia ayura. The presence of 3 apicodorsal setae on the inferior appendage also separates Leucotrichia repanda from Leucotrichia ayura, which lacks these setae.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
09AF028182748B17ED9A419ECC70CEEB.taxon	description	Description. Male. Length of forewing 1.9 - 2.4 mm (n = 13). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with yellow and brown setae; thorax dark brown with yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine dark brown setae with large patch of bright yellow setae on basal 1 / 3. Genitalia. Abdominal sternum VII with short mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin produced mesally, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite elongate, with crenulate dorsal margin; ventral sclerite slender, simple; membranous apex not well developed. Subgenital plate with dorsal arm not apparent; ventral arm broadest basally, apex slightly hooked dorsad, in ventral view appearing " winged ". Inferior appendage apex rounded, bearing single mesodorsal seta and 3 apicodorsal setae; in ventral view entirely fused, apex emarginated. Phallus apex bearing apical setal tuft and 3 pairs of sclerites: 1 st pair dorsal, sharply bent dorsad; 2 nd pair dorsal, elongate; 3 rd pair lateral, broad, curved anteriad. Holotype male: VENEZUELA: Sucre: Peninsula de Paria, Santa Isabel, Rio Sta. Isabel, 10 ° 44.294 ' N, 62 ° 38.954 ' W, el. 20 m, 4. iv. 1995, Holzenthal, Flint, and Cressa (UMSP 000201685) (UMSP). Paratypes: same data as holotype, 3 males, 2 females (UMSP); same data as holotype, 1 male, 1 female (MIZA); VENEZUELA: Aragua: Est. Exp. Cataurito, ca. 32 km E Villa de Cura, 1100 m, 1. ii. 1983, O. S. Flint, Jr., 2 males, 1 female (in alcohol) (NMNH); Est. Exp. Cataurito, 28. i. 1983, O. S. Flint, Jr., 1 male (NMNH); Est. Exp. Cataurito, 1. ii. 1983, O. S. Flint, Jr., 7 males (NMNH).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
09AF028182748B17ED9A419ECC70CEEB.taxon	etymology	Etymology. Repandus, Latin for " bent backward, turned up ", referring to the bent shape of the 1 st pair of dorsal sclerites on the phallus.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
A54220F436DA500DCB3954C1FE075D0E.taxon	diagnosis	Diagnosis. Leucotrichia rhomba sp. n., is known only from the male holotype. This species is most similar to Leucotrichia brochophora, Leucotrichia lerma, and Leucotrichia padera. These species share a similar form in the apex of the phallus, sternum VIII, and segment IX, as discussed under Leucotrichia brochophora. Leucotrichia rhomba can be separated from the other 3 species by the size and shape of the mesoventral process of sternum VII (Fig. 37 B, D). The apex of the process is enlarged and, in ventral view, rhomboid and rugose. The posterior margin of sternum VIII is also much more deeply concave in Leucotrichia rhomba than in any of the other 3 species.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
A54220F436DA500DCB3954C1FE075D0E.taxon	description	Description. Male. Length of forewing 2.4 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head brown with yellow and dark brown setae; thorax brown with light brown setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine brown setae with light yellow patch extending from basal 3 / 4 along the length of outer edge. Genitalia. Abdominal sternum VII with elongate mesoventral process with apex enlarged; in ventral view apex rhomboid, rugose. Sternum VIII in ventral view with posterior margin deeply concave. Segment IX anterolateral margin produced mesally, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite continuous with ventral sclerite; ventral sclerite with rounded projection on posterior margin; membranous apex subtriangular. Subgenital plate fused with ventral sclerite of tergum X; with dorsal arm not apparent; ventral arm digitate with basal projection, in ventral view oblong. Inferior appendage broadest mesally, apex hooked dorsally, bearing single dorsal spine; in ventral view entirely fused, oval, basally enlarged, apex with shallow emargination. Phallus apex not well expanded, bearing pair of internal apodemes. Holotype male: COSTA RICA: Puntarenas: Rio Jaba at rock quarry, 1.4 km (air) W Las Cruces, 8.79 ° N, 82.97 ° W, 9. viii. 1990, el. 1150 m, Holzenthal, Blahnik, and Munoz, 1 male (UMSP 000201350) (UMSP).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
A54220F436DA500DCB3954C1FE075D0E.taxon	etymology	Etymology. Rhombus, Latin for " rhomboid ", a quadrilateral of which only the opposite sides and angles are equal, referring to the shape of the enlarged apex of the mesoventral process of sternum VII.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
D7007603CC545C291358D42B746143F9.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia forrota and Leucotrichia inops. These species share a similar combination of characteristics present in the phallus, as discussed under Leucotrichia forrota. Of these species, Leucotrichia riostoumae sp. n., is most similar to Leucotrichia inops, as discussed under Leucotrichia inops. Leucotrichia riostoumae can be distinguished by the rugose ventral surface of the mesoventral process of sternum VII, which is lacking in Leucotrichia inops. The membranous ridges along the apex of the phallus, which give it a star-like appearance when viewed dorsally, are also a feature unique to Leucotrichia riostoumae.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
D7007603CC545C291358D42B746143F9.taxon	description	Description. Male. Length of forewing 3.6 - 4.2 mm (n = 11). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with yellow and dark brown setae; thorax dark brown with bright yellow setae dorsally, dark brown ventrally; leg segments with dark brown setae. Forewings covered with fine dark brown setae with large patch of yellow setae on basal 2 / 3. Genitalia. Abdominal sternum VII with digitate, rugose mesoventral process with small basal ridge. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin produced dorsolaterally, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin broadly convex. Tergum x with dorsal sclerite simple; ventral sclerite with rounded projection on posterior margin; membranous apex small. Subgenital plate with dorsal arm digitate, broadest basally; ventral arm slender, digitate, in ventral view triangular. Inferior appendage basally subquadrate, apex rounded, without dorsal spine; in ventral view apically digitate. Phallus with basal loop not apparent; apex curving ventrad and laterad, with series of membranous spines appearing stellate in dorsal view. Holotype male: ECUADOR: Imbabura: Reserva los Cedros, Rio de la Plata, 00.32495 ° N, 78.78084 ° W, el. 1587 m, 18. x. 2011, Holzenthal, Rios, Encalada, and Acosta, (UMSP 000140832) (UMSP). Paratypes: same data as holotype, 5 males (UMSP); same data as holotype, 3 males (MZUTI); same data as holotype, 2 males (NMNH).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
D7007603CC545C291358D42B746143F9.taxon	etymology	Etymology. Named in honor of Dr. Blanca Rios-Touma, an aquatic ecologist and colleague who helped collect the holotype specimen.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
0C25EAFC272768B14AF37971374316D1.taxon	diagnosis	Diagnosis. Leucotrichia sarita is similar to Leucotrichia fairchildi, Leucotrichia imitator, and Leucotrichia pictipes. Leucotrichia sarita is distinct from Leucotrichia imitator and possesses a more modified head, due to the presence of eversible posterolateral warts (Fig. 4 D). It does not have any of the further head modifications found on either Leucotrichia fairchildi or Leucotrichia pictipes. The presence of the membranous lobes on the phallus terminating in sclerotized spines also distinguishes Leucotrichia sarita from the other 3 species of the pictipes species group.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
0C25EAFC272768B14AF37971374316D1.taxon	description	Description. Male. Length of forewing 2.1 - 3.0 mm (n = 306). Head with posterolateral wart large, eversible, with membranous lobe beneath, with 2 ocelli; antennae unmodified. Dorsum of head brown with yellow setae; thorax brown with dark brown and yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine dark brown setae with stripe of yellow setae running the length of basal 1 / 3 and scattered patches of yellow setae near apex. Genitalia. Abdominal sternum VII with mesoventral process absent, in its place a few dark, prominent setae. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite slender; ventral sclerite semielliptic with crenulate posterior margin; membranous apex with dorsal and ventral lobes. Subgenital plate with dorsal arm not apparent; ventral arm hollow, subtriangular, with basal projection, curved dorsad, in ventral view lanceolate. Inferior appendage straight, digitate, bearing single dorsal spine; in ventral view broadly fused, apex rounded, with small apical " lip " (Fig. 39 D). Phallus apex bearing pair of mesolateral lobes ending in sclerotized spine and numerous small apical spines on dorsal and lateral surface.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
0C25EAFC272768B14AF37971374316D1.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7959AA70FD6391C9DF976D6494C26B73.taxon	diagnosis	Diagnosis. Leucotrichia sidneyi sp. n., is most similar to Leucotrichia brasiliana. These species share similarities in a suite of characters observed on the phallus, as discussed under Leucotrichia brasiliana. Leucotrichia sidneyi can be separated by the absence of a dorsal spine on the inferior appendage, pairs of separate dorsal and ventral sclerites on the phallus apex, and a much shallower concave posterior margin on sternum VIII than Leucotrichia brasiliana. Additionally, the inferior appendages are fused in Leucotrichia sidneyi and separate in Leucotrichia brasiliana.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7959AA70FD6391C9DF976D6494C26B73.taxon	description	Description. Male. Length of forewing 2.9 - 3.0 mm (n = 6). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head brown with yellow setae; thorax dark brown with golden yellow setae dorsally, brown ventrally; leg segments with dark brown setae. Forewings covered with fine mottled green-yellow setae with dark brown setae on edges. Genitalia. Abdominal sternum VII with elongate mesoventral process with apex enlarged, rugose in ventral view. Sternum VIII in ventral view with posterior margin concave or concave with pointed mesal emargination. Segment IX anterolateral margin convex, posterolateral margin convex; in dorsal view anterior margin convex, posterior margin concave. Tergum x with dorsal sclerite slender; ventral sclerite with rounded projection on posterior margin; membranous apex suborbicular. Subgenital plate with dorsal arm not apparent; ventral arm rounded basally, apex truncate, in ventral view oblong with base slightly enlarged and apex broadly rounded. Inferior appendage broadest mesally, apex rounded, without dorsal spine; in ventral view entirely fused, basally enlarged, apex truncate. Phallus apex bearing pair of dorsal sclerites, ventral sclerite, and membranous ventral " hump ". Holotype male: VENEZUELA: T. F. A.: Camp IV, 0 ° 58 ' N, 65 ° 57 ' W, Cerro d. l. Neblina, 760 m, 15 - 18. iii. 1984, O. S. Flint, Jr. (UMSP 000140465) (NMNH). Paratypes: same data as holotype, 3 males, 11 females (NMNH); same data as holotype, 2 males, 2 females (UMSP).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
7959AA70FD6391C9DF976D6494C26B73.taxon	etymology	Etymology. Named in honor of R. E. Thomson's father, Sid Thomson, a fly fisherman and the only other member of the family who can recognize a caddisfly.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
1B64720D9A879684C18AA07CDD8C21C9.taxon	diagnosis	Diagnosis. This species is similar to Leucotrichia bicornuta, Leucotrichia dianeae, and Leucotrichia extraordinaria. These species share a similar combination of characteristics present in the phallus and the posterolateral margin of sternum VIII, as discussed under Leucotrichia bicornuta. Of these species, Leucotrichia tapantia sp. n., is most similar to Leucotrichia dianeae. Each has a large tuft of prominent setae at the apex of the posterolateral projection of sternum VIII; a small, mesal projection on the posterior margin of sternum VIII, and larger, more prominent apical lobes on the phallus apex than either Leucotrichia bicornuta or Leucotrichia extraordinaria. Characteristics that can be used to distinguish Leucotrichia tapantia from Leucotrichia dianeae include a much longer basal loop of the phallus midlength complex and the absence of a dorsal arm on the subgenital plate. The prominent apical spine of the ventral arm on the subgenital plate, when viewed ventrally, and the presence of 2 small dorsal setae, in addition to the single dorsal spine on the inferior appendage separate Leucotrichia tapantia from all 3 of the other species.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
1B64720D9A879684C18AA07CDD8C21C9.taxon	description	Description. Male. Length of forewing 3.4 - 3.9 mm (n = 19). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head dark brown with yellow setae; thorax dark brown with yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine dark brown setae with broad streak of yellow setae down outer edge. Genitalia. Abdominal sternum VII with short, pointed mesoventral process. Sternum VIII lateral projection elongate, extending dorsad, apex bearing tuft of prominent setae (Fig. 41 B), in ventral view with posterior margin concave with digitate mesal projection (Fig. 41 D). Segment IX anterolateral margin convex, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite slender; ventral sclerite semielliptic with crenulate posterior margin; membranous apex small. Subgenital plate with dorsal arm not apparent; ventral arm slender, sinuate, broadest mesally, in ventral view with apical spine very prominent. Inferior appendage straight, bearing 1 large dorsal spine and 2 small setae; in ventral view fused basally, digitate. Phallus apex bearing internal apodemes and pair of prominent apicodorsal lobes. Holotype male: COSTA RICA: Cartago: Reserva Tapanti, waterfall, ca. 1 km (road) NW tunnel, 9.69 ° N, 83.76 ° W, 2 - 3. viii. 1990, el. 1600 m, Holzenthal, Blahnik, Munoz (UMSP 000201359) (UMSP). Paratypes: same data as holotype, 46 males (UMSP); same data as holotype, except 10. vi. 1988, C. M. and O. S. Flint, R. W. Holzenthal, 13 males (NMNH).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
1B64720D9A879684C18AA07CDD8C21C9.taxon	etymology	Etymology. Named for Reserva Tapanti, the location where the holotype was collected. The name was suggested by Dr. Steve Harris, an aquatic biologist and Trichoptera taxonomist at Clarion University, who first recognized the species as new.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
08DA1F49E28D55BF106BD46A61D012D4.taxon	diagnosis	Diagnosis. Leucotrichia termitiformis can be recognized by the shape of the inferior appendage, which is somewhat similar to Leucotrichia tubifex. In lateral view, the inferior appendage is large and truncate; in ventral view, it is large, fused, and slightly spatulate. The inferior appendage of Leucotrichia tubifex differs in having a small mesodorsal spine and in being separate and smaller in size. Additionally, sternum VIII lacks peg-like setae in Leucotrichia termitiformis and is more laterally elongate than that of Leucotrichia tubifex.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
08DA1F49E28D55BF106BD46A61D012D4.taxon	description	Description. Phallus of holotype missing, redescribed from Botosaneanu and Alkins-Koo (1993). Male. Length of forewing 3.9 mm (n = 1). Head unmodified, with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with digitate mesoventral process. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin convex; in dorsal view anterior margin shallowly concave, posterior margin concave. Tergum x with dorsal sclerite continuous with ventral sclerite; ventral sclerite sinuate; membranous apex not well developed. Subgenital plate fused with ventral sclerite of tergum X; with dorsal arm slender, tapering apically; ventral arm slender, with basal projection, apex slightly hooked dorsad, in ventral view oblong. Inferior appendage large, apex truncate, bearing single dorsal spine; in ventral view entirely fused, with basal projection on outer margin, apex emarginated. Phallus with median complex bearing 2 separate basal filaments; apex bearing dark, U-shaped, dorsomesal sclerite and pair of apicolateral sclerites.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
08DA1F49E28D55BF106BD46A61D012D4.taxon	etymology	Etymology. Specific epithet refers to the typical " termitiform " shape of the larval abdominal segments.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F8EE710AA843E2B5097AE7782B9EF262.taxon	diagnosis	Diagnosis. Leucotrichia tritoven is most similar to Leucotrichia kateae. In both of these species, the dorsal spine of the inferior appendage is located on a dorsomesal " hump " (Fig. 43 A). There is also a pair of membranous lobes arising from the apex of the phallus in each of these species, from the base of which a pair of large, pointed sclerites also arises. A pair of elongate, apically curling sclerites on the phallus distinguishes Leucotrichia tritoven from Leucotrichia kateae, which lacks these elongate sclerites. Additionally, the dorsal arm of the subgenital plate in Leucotrichia tritoven is digitate, whereas in Leucotrichia kateae it is apically acute.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F8EE710AA843E2B5097AE7782B9EF262.taxon	description	Description. Male. Length of forewing 1.5 - 2.0 mm (n = 24). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head brown with light yellow setae; thorax brown with light yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine yellow setae with dark brown setae at edges and apex. Genitalia. Abdominal sternum VII with digitate mesoventral process with small basal ridge. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin produced mesally, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite slender, elongate; ventral sclerite semielliptic; membranous apex suborbicular. Subgenital plate with dorsal arm digitate, apex truncate; ventral arm digitate, laterally obscured from view by inferior appendage, in ventral view triangular. Inferior appendage dorsomesally " humped, " apex rounded, bearing single dorsal spine; in ventral view with mitten-like " thumb " on inner margin (Fig. 43 D). Phallus apex bearing U-shaped internal apodeme, pair of apical membranous lobes, and 2 pairs of elongate sclerites: 1 st pair lateral, elongate, apically curled, 2 nd pair acute, apicodorsal sclerites extending anteriad.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
F8EE710AA843E2B5097AE7782B9EF262.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8FD6B69BDCAC248BAC01AB13885651F5.taxon	diagnosis	Diagnosis. Leucotrichia tubifex can be recognized by the bulbous apex of the phallus. This species is similar to Leucotrichia gomezi in the subquadrate appearance of sternum VIII when viewed laterally and differs in bearing small peg-like setae on a small posteroventral projection not present in Leucotrichia gomezi. The posterior margin of sternum VIII is convex and U-shaped in Leucotrichia tubifex, while it is straight and without emargination in Leucotrichia tubifex. Additional similarities and differences are discussed under Leucotrichia gomezi.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8FD6B69BDCAC248BAC01AB13885651F5.taxon	description	Description. Male. Length of forewing 3.6 - 5.2 (n = 24). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head brown with yellow setae; thorax brown with yellow setae dorsally, light brown ventrally; leg segments with light brown setae. Forewings covered with fine golden yellow and tan setae. Genitalia. Abdominal sternum VII with short, pointed mesoventral process. Sternum VIII posteroventral projection bearing small peg-like setae, in ventral view with posterior margin concave. Segment IX anterolateral margin convex, posterolateral margin straight; in dorsal view anterior margin shallowly concave, posterior margin concave. Tergum x with dorsal sclerite continuous with ventral sclerite; ventral sclerite small with rounded emargination on posterior margin; membranous apex extending down to base of subgenital plate. Subgenital plate fused with ventral sclerite of tergum X; with dorsal arm not apparent; ventral arm rounded basally, curved dorsad, apex acute, in ventral view subovate with rounded apical emargination. Inferior appendage with small dorsomesal spine, apex truncate, bearing single dorsal spine; in ventral view with subquadrate basal projection on outer margin, with 2 small apicomesal projections. Phallus apex with 1 dorsal, 1 ventral, and 1 pair of lateral elongate sclerites, apex bulbous.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
8FD6B69BDCAC248BAC01AB13885651F5.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
FCC106C371BCD36A3E1CC9646C80CCB7.taxon	diagnosis	Diagnosis. Leucotrichia viridis is most similar to Leucotrichia botosaneanui, Leucotrichia chiriquiensis, Leucotrichia hispida, and Leucotrichia limpia. These species share a similar combination of characteristics present in the phallus and the posterolateral margin of sternum VIII, as discussed under Leucotrichia botoseaneanui. Leucotrichia viridis is distinct from the others in having 2 dorsal spines on the inferior appendage (Fig. 45 A), while the others bear only a single spine. In ventral view, the mesoventral process of sternum VII is much wider than that of the other species and the apex is much more enlarged (Fig. 45 D). The pair of ventral, ovate sclerites on the phallus apex of Leucotrichia viridis distinguishes it from the other 4 species (Fig. 45 E).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
FCC106C371BCD36A3E1CC9646C80CCB7.taxon	description	Description. Male. Length of forewing 2.3 - 3.1 mm, 1 individual 1.6 mm (n = 68). Head unmodified, with 3 ocelli; antennae unmodified. Dorsum of head brown with light yellow setae; thorax brown with yellow setae dorsally, brown ventrally; leg segments with brown setae. Forewings covered with fine mottled yellow and brown setae, apex with brown setae. Genitalia. Abdominal sternum VII with large mesoventral process with apex enlarged, rugose in ventral view. Sternum VIII in ventral view with posterior margin concave. Segment IX anterolateral margin broadly produced dorsolaterally, posterolateral margin irregular; in dorsal view anterior margin concave, posterior margin straight. Tergum x with dorsal sclerite small, simple; ventral sclerite semielliptic with tridentate posterior margin; membranous apex not well developed. Subgenital plate with dorsal arm not apparent; ventral arm arched mesally apex truncate, in ventral view obovate. Inferior appendage broadest basally, arched mesally, bearing 1 large and 1 small dorsal spine; in ventral view with broad mesal constriction. Phallus with median complex bearing elongate basal supports; apex bearing pair of small, membranous lobes and 2 pairs of sclerites: 1 st pair dorsolateral and sinuate, 2 nd pair ventral and ovate.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
FCC106C371BCD36A3E1CC9646C80CCB7.taxon	etymology	Etymology. Unknown.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
1DBF72EBEB0D930DCC3A5E9F45A23ADD.taxon	diagnosis	Diagnosis. Leucotrichia yungarum is similar to Leucotrichia alisensis; the 2 species share a similar shape in both the inferior appendage and the ventral arm of the subgenital plate when viewed laterally. In ventral view, the apex of the inferior appendage is digitate in both species. In Leucotrichia yungarum, the concave posterior margin of sternum VIII is U-shaped and without any emargination (Fig. 46 C), while the same margin in Leucotrichia alisensis is V-shaped and with a small mesal emargination. Leucotrichia yungarum also differs from Leucotrichia alisensis in its lack of anterolateral projection in segment IX. Additionally, Leucotrichia yungarum bears an additional pair of posterolateral warts on the head that are not present in Leucotrichia alisensis (Fig. 4 E).	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
1DBF72EBEB0D930DCC3A5E9F45A23ADD.taxon	description	Description. Redescribed from Angrisano and Burgos (2002). Male. Length of forewing 3.0 mm (n = 1). Head with 2 pairs of posterolateral warts, with 3 ocelli (only 2 given in illustration); antennae unmodified. Genitalia. Abdominal sternum VII with short mesoventral process (not illustrated). Sternum VIII posteroventral projection bearing small peg-like setae, in ventral view with posterior margin concave. Segment IX anterolateral margin produced mesally, posterolateral margin convex; in dorsal view anterior margin concave, posterior margin concave. Tergum x with dorsal sclerite slender, elongate; ventral sclerite simple; membranous apex not well developed. Subgenital plate with dorsal arm not apparent; ventral arm extending dorsad, apex acute. Inferior appendage broadest basally, bearing single dorsal spine; in ventral view with lateral margins parallel. Phallus apex relatively short, without sclerites or spines.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
1DBF72EBEB0D930DCC3A5E9F45A23ADD.taxon	etymology	Etymology. Named for the phytogeographical region " Yungas ", cloud forest, of northeast Argentina, where the holotype was collected.	en	Thomson, Robin E., Holzenthal, Ralph W. (2015): A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys 499: 1-100, DOI: http://dx.doi.org/10.3897/zookeys.499.8360, URL: http://dx.doi.org/10.3897/zookeys.499.8360
