taxonID	type	description	language	source
03F287B2EE6B744EFF08FA25CFBAF86D.taxon	diagnosis	Emended diagnosis. BL 1 – 2 mm; broadly or elongate oval beetles; dorsum flat to moderately convex, densely setose; lateral edges of pronotum and sometimes of elytra crenulate (in some species indistinctly so). Head with distinct frontoclypeal groove (= ‘ suture’); lacking occipital ridge; antenna 10 - segmented; club medially constricted and bearing specialized sensilla at constriction site; terminal maxillary and labial palpomeres non-aciculate, gradually tapering to rounded apex; head ventrally with long subocular ridges. Prothorax transverse, without antennal cavities; prosternal process as broad as 1 – 1.5 width of procoxa; procoxal cavities externally and internally open. Elytron with nine rows of punctures. Mesocoxae broadly separated; metaventral and abdominal postcoxal lines absent; tarsi 3 - 3 - 3 with tarsomeres simple; empodium present. Abdomen with 5 freely articulated ventrites, terminal ventrite crenulate; aedeagus with penis slender with paired struts, tegmen with fused parameres.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE6B744EFF08FA25CFBAF86D.taxon	distribution	Composition and distribution. One genus with six species (two known previously and four newly described), distributed (alphabetically) in Christmas Island, Cuba, Guadeloupe, Hispaniola, Jamaica, Mexico, Montserrat, New Caledonia, Northern Mariana Islands, Panama, Seychelles, Solomon Islands, Thailand, and USA.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE687448FF08F926CEFCFC12.taxon	diagnosis	Diagnosis. Body of adults around 1 – 2 mm long, strongly flattened to moderately convex, densely setose; sides of pronotum and elytra flattened; head lacking occipital ridge; frontoclypeal groove (‘ suture’) present; antenna decamerous with large, nearly spherical or oval club composed of fused antennomeres 10 and 11, with variously distinct constriction marking fusion site; terminal maxillary and labial palpomeres slightly asymmetrical, each tapering to rounded apex; head ventrally with long subocular ridges; lateral pronotal edges crenulate; prosternum laterally largely fused with hypomera, vestiges of notosternal sutures developed only at anteroventral prothoracic margin; prosternal process subrectangular, subtrapezoidal or hourglass-shaped; procoxal cavities externally and internally open; mesocoxae broadly separated; metaventrite and abdominal ventrite 1 lacking postcoxal lines; tarsi 3 - 3 - 3 with tarsomeres not projecting distoventrad; empodium present; elytra with nine rows of punctures; terminal ventrite crenulate; aedeagus with penis slender with paired struts, tegmen with fused parameres.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE687448FF08F926CEFCFC12.taxon	description	Description. Body (Figs 19 – 20, 21 – 22, 25 – 26, 28 – 29, 32 – 33, 34 – 35) oval, flattened to moderately convex, with shallow constriction between pronotum and elytra. Head (Figs 1 – 4) sub-prognathous, large in relation to pronotum, slightly flattened, subtrapezoidal. Occipital region not demarcated; vertex and frons (Fig. 1; vt, fr) confluent; tempora long and weakly convergent posterad; frontoclypeal groove (Fig. 1; fcg) present, arcuate; clypeus large, semioval, transverse, weakly declining. Antennal fossae (Fig. 2; anf) broadly separated, hidden under anterolateral margin of frons; eyes (if present) situated anteriorly and slightly above middle height of head. Gular region not demarcated, gular sutures lacking; submentum (Fig. 3; smn) transverse with straight anterior margin; sides of ventral surface of head with longitudinal subocular ridge (Fig. 3; sor). Antennae (Fig. 3) decamerous, with strongly enlarged subcylindrical or fusiform scape (Fig. 3; sc); pedicel (Fig. 3; pd) much narrower than scape, in all species elongate; antennomeres 3 – 6 subequal in width, 7 – 9 gradually broadening and each transverse; terminal segment apparently representing the fusion of two antennomeres, forming a spherical or oval club with variously distinct fusion site marked as constriction and bearing digitiform sensilla. Labrum (Figs 2 – 3; lbr; 5) transverse with rounded anterior margin, several pairs of long and several pairs of short dorsal and anterior setae. Mandibles (Figs 2, 4; md; 6 – 7) subtriangular and robust, symmetrical, each with broad base bearing large tuberculate mola (Figs 6 – 7; mo), long setose prostheca (Fig. 6; pst) and slender, curved apical region with three small and blunt apical teeth (only two can be seen in Figs 6 – 7); lateral mandibular margin convex in distal third, bulging near middle, where several long setae are inserted, and concave in basal third. Maxilla with short and broad cardo (Fig. 3; cd), subtriangular and elongate basistipes (Figs 3, 8 – 9; bst), moderately broad and short mediostipes (Figs 3, 8; mst), elongate palpifer (Figs 3, 8; ppf); galea and lacinia (Figs 8 – 9; gal, lac) short and slender, each with dense setae along mesal and distal margins; maxillary palp larger than galea and lacinia, with palpomere 1 (Figs 3, 8; mxp 1) minute, subcylindrical and elongate, palpomere 2 (Figs 3, 8; mxp 2) large, asymmetrical, subtriangular in ventral view with base situated mesally, palpomere 3 (Figs 3, 8; mxp 3) slightly narrower and much shorter than 2, subcylindrical and annulate, palpomere 4 (Figs 3, 8; mxp 4) distinctly narrower and much longer than 3, approximately conical, nearly symmetrical and with broadly rounded or truncate apex. Mentum (Figs 3, 10; mn) subtrapezoidal, broadest at base, with angulate sub-basal transverse carina and longitudinal median carina dividing its ventral surface into three regions; prementum (Figs 3, 10; pmn) narrower than distal mental margin, about as long as broad or slightly transverse, partly membranous and densely setose; labial palps large, with palpomere 1 (Figs 3, 10; lp 1) minute, subcylindrical and elongate; palpomere 2 (Figs 3, 10; lp 2) large, asymmetrical, in ventral view subtriangular or semioval with base situated mesally; palpomere 3 (Figs 3, 10; lp 3) narrower and shorter than 2, asymmetrical, usually with sinuate margins, tapering toward weakly rounded apex. Tentorium (Figs 1 – 2) with bisinuate tentorial bridge (Figs 1 – 2; tb) bearing long anteromedian projection, posterior tentorial arms (Figs 1 – 2; pta) short, connection with ventral wall of head not marked externally (i. e., posterior tentorial pits lacking); dorsal tentorial arms (Figs 1 – 2; dta) short, situated between eyes and fused with dorsal wall of head; anterior arms (Figs 1 – 2; ata) slender, extending to antennal fossae. Prothorax (Figs 11 – 12, 19, 21, 25, 28, 32, 34) transverse and broadest behind middle. Pronotum with anterior margin arcuate; anterior corners distinct, subtriangular, projecting anterad; lateral margins sharply marked, crenulate, rounded; posterior corners well-marked; posterior margin arcuate or bisinuate. Variously broad area along each lateral margin strongly flattened and nearly impunctate, remaining surface of pronotum with dense punctures. Prosternum (Figs 11 – 12; pst) only slightly shorter than pronotum, laterally largely fused with hypomera, with only vestiges of notosternal sutures (Fig. 11; nss) marked at anterior margin; prosternal process (Fig. 11; psp) flat, subrectangular, subtrapezoidal or hourglass-shaped, its sides concealing mesal portions of procoxae. Surface of prosternum, including procoxal process, densely punctate. Hypomera (Fig. 11; hy) elongate, concave, at least their outer regions impunctate. Mesonotum (Fig. 13) with transverse mesoscutum (Fig. 13; sc 2) and transverse mesoscutellum (Fig. 13; scl 2) well-visible in intact specimens; scutoscutellar suture (Fig. 13; sss) distinct. Metanotum in winged species (Fig. 14) with large metascutum (Fig. 14; sc 3) and prominent alacristae (Fig. 14; alc) separated by median groove (Fig. 14; mg); metapostnotum (Fig. 14; pn 3) strongly transverse, short. Mesoventrite (Fig. 16; v 2) transverse, with short and slightly impressed procoxal rests near anterior margin (visible in Fig. 20), median region weakly convex or flat, in all species densely punctate; mesoventral process (Fig. 16; mvpi) at least slightly, and in most species much broader than prosternal process, its posterior margin indistinct. Metaventrite (Fig. 16; v 3) in winged species longer than mesoventrite, broader than long and slightly broadening posterad, with variously distinct discrimen (Fig. 16; dsc) in posterior region. Postcoxal lines lacking. Metacoxae broadly separated, posteromesal margin of metaventrite concave or straight. Metendosternite (Fig. 16) with broad, lamellate stem and strongly divergent furcal arms (Fig. 16; mtfa), each with submedian anterior arm and additional distal arm just below distal muscle attachment disc. Wings in most species well-developed and functional; one species wingless. Elytra (Fig. 15) elongate, each with distinct lateral flattening, sharp lateral carina and eight or nine rows of punctures, but some may be indistinct or slightly irregular; epipleura (e. g., Fig. 20) sub-horizontal, flat, each with undulate ridge along mesal margin. Legs (Figs 11, 16) short and robust. Procoxa subglobose, mesocoxa much larger and oval, metacoxa strongly transverse. All trochanters subtriangular and elongate with oblique distal margin. All femora distinctly flattened laterally, with dorsal and ventral margins convex. All tibiae slender, lacking apical or subapical teeth. All tarsi trimerous, with subcylindrical tarsomeres, lacking distoventral lobes. Claws long; empodium present. Abdomen (Fig. 17) longer than meso- and metaventrite together, subtriangular and rounded at sides; five ventrites visible, with ventrite 1 (Fig. 17; av 1) the longest. Posterior margin of terminal ventrite and tergite finely crenulate, the latter interlocking with apical microtrichial field of ventral side of elytra. Aedeagus (Figs 23 – 24, 27, 31, 36 – 37) with strongly elongate, slender penis with two long articulated anterior struts; tegmen various in shape, from strongly elongate to conspicuously short, lacking articulated parameres, with lateral apical groups of setae and dorsal articulated strut. Ovipositor (Fig. 18) with broad, elongate gonocoxites (Fig. 18; gcx) and slender, subcylindrical gonostyli (Fig. 18; gst) bearing apical setae. Sexual dimorphism not observed.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE687448FF08F926CEFCFC12.taxon	biology_ecology	Natural history. Ostomopsis species are associated with rotten palm wood, subcortical environments or leaf litter; immature stages unknown. Hindguts of dissected specimens are often tightly packed with fungal spores (Fig. 18), so adults are sporophagous on fungi.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE687448FF08F926CEFCFC12.taxon	distribution	Composition and distribution. Six species are known so far, inhabiting Seychelles Islands, Thailand, Malaysia, Christmas Island, Northern Mariana Islands, New Caledonia and Loyalty Islands, New Guinea and Solomon Islands, USA (Florida), Cuba, Hispaniola, Jamaica, Guadeloupe, Montserrat, Mexico (San Luis Potosi, Veracruz), Costa Rica, and Panama.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE687448FF08F926CEFCFC12.taxon	discussion	Remarks. Judging from collecting records, which seem still to be rather fragmentary, the genus will probably turn out to be circumtropical. In addition to four new species described below, single specimens of at least five additional undescribed species were seen from New Guinea, the Solomons, Costa Rica, Panama and Malaysia (Sabah, Pahang).	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE6D7446FF08FC56CFA1FB58.taxon	description	(Figs 19 – 20)	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE6D7446FF08FC56CFA1FB58.taxon	materials_examined	Type material examined. Holotype (Thailand): ♀, “ THAILAND: Chiang Mai / Doi Angkhang 10 km W / Fang 1650 m 22. IV. 87 / P. Schwendinger ” [white, printed] (MHNG).	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE6D7446FF08FC56CFA1FB58.taxon	diagnosis	Diagnosis. Body uniformly light brown; elytra elongate, with EL / EW exceeding 1.3 and sides parallel in anterior half; eyes lacking; sides of pronotum lacking conspicuously long, sparse setae; median area on pronotum and median area on mesoventrite punctate; punctures on head large, sharply marked and dense, denser than those on median region of pronotum; prosternal process nearly parallel-sided with rounded distal margin; mesoventral process nearly twice as broad as prosternal process; punctures on sides of elytra in anterior half indistinctly smaller than those on median region of pronotum; scutellar shield twice as broad as long; antennomere 3 about as long as broad, 4 – 5 each transverse.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE6D7446FF08FC56CFA1FB58.taxon	description	Description. Body of female (Fig. 19) elongate oval, strongly flattened; BL 1.04 mm, BL / EW 2.18; pigmentation uniformly brown with umbra hue. Head (Figs 19 – 20) subtrapezoidal, HL 0.14 mm, HW 0.26 mm; vertex and frons weakly convex; eyes absent, lateral margins of head in dorsal view distinctly divergent posterad and abruptly, step-wise narrowing just in front of occiput. Vertex and frons densely covered with circular alveolate punctures of unequal diameters and slightly unevenly distributed, distances between punctures on median area from subequal to their diameters to much shorter than diameters of punctures, on sides punctures separated by spaces much narrower than their diameters; punctures on clypeus indistinct, especially anteriorly. Setae similarly dense as punctures, moderately long, nearly recumbent. Antenna (Figs 19 – 20) indistinctly shorter than pronotum, AnL 0.25 mm; scape weakly elongate, pedicel twice as long as broad, antennomere 3 about as long as broad, 4 – 8 each transverse, 9 much broader than 8 and about twice as broad as long, club about as long as broad. Pronotum (Fig. 19) broadest near posterior third, about 1.6 × as broad as head; PL 0.28 mm, PW 0.43 mm, PL / PW 0.65; anterior margin evenly rounded; anterior corners blunt and distinctly projecting anterad; lateral margins broadly rounded and crenulate; posterior corners blunt, obtuse-angled; posterior margin weakly rounded. Narrow area along each lateral margin distinctly flattened and impunctate, with indistinct submarginal line; remaining surface of pronotum covered with alveolate circular and oval punctures of unequal diameters and slightly unevenly distributed; punctures on median region of disc similar in diameters to those on vertex and separated by spaces subequal to their diameters or wider; punctures become larger and denser toward sides, where spaces between them are much narrower than their diameters. Setae moderately dense, short, and only weakly suberect; setae on lateral pronotal margins shorter than width of flattened area along each side. Ventral surface of prothorax (Fig. 20) with prosternal process slightly longer than wide, with sides barely noticeably concave, posterior corners blunt, obtuse-angled and not projecting, and weakly, evenly rounded distal margin; entire prosternum covered with circular and oval alveolate punctures distinctly larger than those on pronotum and separated by spaces 1 / 2 – 1 / 4 as wide as diameters of punctures; punctures on hypomera becoming shallower and smaller toward sides of prothorax, broad area along each lateral margin impunctate, but distinctly microreticulate. Setae on prosternum sparse, short and nearly recumbent; on hypomera much shorter, barely discernible; anterior prosternal margin microcrenulate and with dense row of short setae directed anterad. Mesoventrite (Fig. 20) with mesoventral process parallel-sided between mesocoxae and nearly twice as broad as prosternal process; mesoventrite except for short procoxal rests on its anteromedian region covered with circular and oval alveolate punctures, in median area as large as the largest punctures on prosternum and nearly touching one another, between mesocoxae punctures are much smaller, but also dense. Metaventrite (Fig. 20) strongly transverse, medially slightly shorter than mesoventrite; entire surface covered with circular and oval alveolate punctures, those on median and lateromedian areas as large as the largest punctures on mesoventrite but distinctly sparser; punctures on posteromedian region distinctly smaller. Posterior metaventral margin between metacoxae slightly concave. Discrimen indiscernible. Hind wings lacking. Elytra (Fig. 19) together oval, about 2.3 × as long as pronotum and indistinctly broader than pronotum; EL 0.63 mm, EW 0.48 mm, EL / EW 1.32. Sides barely noticeably broadening just behind humeri and largely parallel in anterior half, evenly rounded in posterior half; narrow area along each lateral margin distinctly flattened; humeri slightly obtuse-angled, humeral calli lacking; each elytron with nine longitudinal rows of small, circular punctures, those on anteromedian third with sharply defined margins, slightly smaller than largest pronotal punctures, punctures reducing in diameter toward sides and apices; remaining cuticle virtually impunctate; dorsal setae sparse, distinctly longer than those on pronotum, suberect; several sparsely distributed lateral setae distinctly longer than remaining ones. Epipleura (Fig. 20) near middle length slightly narrower than width of metafemur, gradually and weakly narrowing posterad, each with undulate ridge along mesal margin. Mesoscutellar shield (Fig. 19) heart-shaped, twice as broad as long, with sides indistinctly concave just in front of broadest site, lateral corners rounded, posterior margin indistinctly angulate. Abdominal ventrites (Fig. 20) together longer than meso- and metaventrite combined; ventrite 1 slightly shorter than 2 – 4, with circular and oval alveolate punctures, largest on anteromedian region, where they are slightly smaller than largest punctures on metaventrite and nearly touching one another; punctures reducing in diameters and depth posterad and posterior 1 / 4 of ventrite remaining impunctate; ventrite 2 with transverse undulating line bearing posterior V-shaped projections, impunctate; ventrites 3 – 5 impunctate.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE6D7446FF08FC56CFA1FB58.taxon	etymology	Etymology. Cudak (noun in apposition) in the Polish language (čudák in Slovak) means “ a weirdo ”; this is the most bizarre of all Ostomopsis species. The name also refers to the moment of its discovery by our friend Ivan Löbl while sorting beetles at the Natural History Museum in Geneve and his exclamation to AS in Slovak “ pozri sa na tohto čudáka “.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE6D7446FF08FC56CFA1FB58.taxon	distribution	Distribution. Thailand.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE6D7446FF08FC56CFA1FB58.taxon	discussion	Remarks. This species is unique in lacking eyes and lacking long lateral setae on the pronotum; also no other Ostomopsis species has so coarse, large and dense punctures on the head and pronotum. The body outline of O. cudak is most similar to that of O. solomon, a species also known from females only. Ostomopsis solomon, however, apart from above-mentioned differences, has a clearly different shape of the prosternal process.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE637443FF08FA92C850FC70.taxon	description	(Figs 21 – 24)	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE637443FF08FA92C850FC70.taxon	materials_examined	Type material examined. Holotype (New Caledonia): sex unknown, “ NEW CALEDONIA / Col d’Amieu, 550 m / 15 Oct 1978 / G. Kuschel ” [white, printed], “ Sifted litter / and rotten wood / 78 / 229 ” [white, printed] (NZAC). Paratypes (24 exx): New Caledonia: 2 exx, Col d’Amieu, 500 m, 15. X. 1978, G. Kuschel, sifted litter and rotten wood, 78 / 229 (MIZ, NZAC); 2 exx, Kavatch, near Hienghene, 450 m, 28. X. 1978, G. Kuschel, sifted litter and rotten wood, 78 / 261 (NZAC); 1 ex., Mt Rembai, 800 m, nr. Col. d’ Amieu, 17. X. 1978, G. Kuschel / sifted litter and rotten wood, 78 / 237 (NZAC); 5 exx, Mt. Koghis near Noumea, 500 m, 13. viii. 1978, S. & J. Peck (ANIC; CNC); 2 exx, same locality and collectors but Auberge, 13 and 26. viii. 1978 (CNC); 4 exx., same collector but Col d’Amieu, 500 m, N of La Foa, 7. viii. 1978 (ANIC); 4 exx, Pic d’Amoa, N slopes, 20.58 S 165.17 E, 31. i. 2002, G. Monteith, pyrethrum, tress, logs (QMB); 1 ex., Mandjelia summit, 20 ° 24 ’ S, 164 ° 32 ’ E, 750 m, 6 - 7. ii. 2001, C. Burwell, G. Monteith, pyrethrum, trees & logs (QMB); 2 exx, Aoupinié, Goipin road junction to gate, - 21.1814, 165.2879, 700 - 900 m, sifted, R. Ruta, M. Wanat (MNHW); 2 exx, same data except for - 21.1746, 165.3097, 700 m, near Hibbertia, above gravel pit, sifting leaf litter (MNHW); 1 ex., Pic d’Amoa (Povila), - 20.9502, 165.2932, 450 m, rainforest, sifting leaf litter, M. Wanat, R. Ruta (MNHW).	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE637443FF08FA92C850FC70.taxon	diagnosis	Diagnosis. Body in fully pigmented specimens with nearly black head and pronotum and brown elytra; elytra stout, with EL / EW not exceeding 1.1 and sides parallel only in anterior third or less; eyes large; sides of pronotum with conspicuously long, sparse setae; median area on pronotum and median area on mesoventrite punctate; punctures on sides of elytra in anterior half distinctly larger than those on median region of pronotum; prosternal process with weakly concave sides and strongly rounded distal margin; mesoventral process only slightly broader than prosternal process; scutellar shield twice as broad as long; antennomere 3 three times as long as broad and antennomeres 4 – 5 each slightly elongate; tegmen strongly elongate, about as long as penis.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE637443FF08FA92C850FC70.taxon	description	Description. Body of both sexes (Figs 21 – 22) short oval, moderately convex; BL 1.35 – 1.73 mm, BL / EW 1.58 – 1.74; pigmentation variable, in most specimens distinctly bicolored: head and pronotal disc dark brown, nearly black, lateral pronotal margins, elytra, ventral side and appendages much lighter, brown with umbra or reddish hue; contrast between darker and lighter areas in some specimens indistinct, and in a few beetles body uniformly dark brown with umbra hue. Head (Figs 21 – 22) subtrapezoidal, HL 0.15 – 0.23 mm, HW 0.36 – 0.45 mm; vertex and frons weakly convex; eyes large and strongly convex, coarsely faceted. Vertex and frons densely covered with shallow but distinct punctures of unequal diameters and slightly unevenly distributed, those on sides tend to be more distinct, nearly alveolate, those on median area are smaller and with diffuse margins; distances between punctures on median area equal to 1 – 3 diameters of punctures, on sides punctures are slightly denser; punctures on clypeus indistinct, especially anteriorly. Setae long and dense, erect. Antenna (Fig. 22) about as long as pronotum, AnL 0.33 – 0.45 mm; scape weakly elongate, pedicel 2.5 × as long as broad, antennomere 3 strongly elongate, 3 × as long as broad, 4 – 5 each indistinctly elongate, 6 and 7 each about as long as broad, 8 indistinctly transverse, 9 nearly twice as broad as long, club elongate and distinctly subdivided by constriction into equally long, fused antennomeres 10 and 11. Pronotum (Fig. 22) broadest near posterior third or fourth, nearly twice as broad as head; PL 0.35 – 0.45 mm, PW 0.70 – 0.88 mm, PL / PW 0.46 – 0.53; anterior margin evenly, weakly rounded; anterior corners blunt and distinctly projecting anterad; lateral margins broadly rounded and with sparsely distributed crenules; posterior corners blunt, slightly obtuse-angled; posterior margin distinctly bisinuate. Relatively broad area along each lateral margin distinctly flattened and largely impunctate, with distinct submarginal line; remaining surface of pronotum covered with circular, variable in diameter and depth, unevenly distributed punctures; largest are distributed along flattened margins and along lateral portions of pronotal base, on these areas spaces between punctures are clearly narrower than their diameters; medium-size punctures are distributed near anterior pronotal margin and separated by spaces subequal to their diameters; large median region of pronotal disc with smallest punctures, partly alveolate, partly with diffuse margins, unevenly distributed, with spaces between them ranging from 1 to 3 diameters of punctures. Setae distinctly longer than those on head, dense and erect; those on lateral pronotal margins over twice as long as width of flattened area along each side. Ventral surface of prothorax (Fig. 22) with prosternal process about as long as wide, with sides indistinctly concave, slightly broadening posterad, posterior corners blunt, obtuse-angled and slightly projecting laterad, distal margin strongly convex; entire prosternum covered with circular and oval alveolate punctures distinctly larger than those on median area of pronotum and unevenly distributed; those along anterior prosternal margin nearly touching one another, those behind them separated by spaces 1 / 2 – 2 × as wide as diameters of punctures; hypomera punctate only in inner halves, with punctures smaller, less sharply defined but similarly dense as those on prosternum; outer regions of hypomera impunctate and smooth. Setae on prosternum sparse, short and nearly recumbent, present mostly on anterior half; setae on hypomera much shorter, barely discernible; anterior prosternal margin microcrenulate and with dense row of short setae directed anterad. Mesoventrite (Fig. 22) with mesoventral process between mesocoxae with concave sides, expanding distad and only slightly broader than prosternal process; mesoventrite with pair of large and shallow oval impressions in front of mesocoxae, remaining surface covered with variously large circular punctures, some alveolate, some with diffuse margins, in median area as large as the largest punctures on prosternum and unevenly distributed, some nearly touching one another, between mesocoxae punctures are indistinctly smaller and separated by spaces subequal to their diameters. Metaventrite (Fig. 22) strongly transverse, medially subequal in length to mesoventrite; large median area impunctate, with variously visible, in most specimens indistinct, short discrimen in posterior 1 / 3 or 1 / 4; sides with variously large circular punctures, some with sharply marked, and some with diffuse margins, spaces between punctures subequal to their diameters or slightly wider. Posterior metaventral margin between metacoxae nearly straight. Hind wings long and functional. Elytra (Fig. 21) together drop-shaped, 2.2 – 2.6 × as long as pronotum and indistinctly broader than pronotum; EL 0.83 – 1.05 mm, EW 0.80 – 1.05 mm, EL / EW 1.00 – 1.09. Sides parallel in anterior 1 / 5 – 1 / 4 or barely noticeably broadening just behind humeri, evenly rounded and strongly convergent posterad in posterior 2 / 3; narrow area along each lateral margin distinctly flattened; humeri slightly obtuse-angled, humeral calli weakly marked; each elytron with nine longitudinal rows of small, circular punctures, at least some of those on anteromedian third with sharply defined margins, slightly smaller than largest pronotal punctures, punctures reducing in diameter toward apices; remaining cuticle virtually impunctate; setae similar to those on pronotum. Epipleura (Fig. 22) near middle length slightly broader than width of metafemur, gradually and weakly narrowing posterad, each with undulate ridge along mesal margin. Mesoscutellar shield (Fig. 21) subtrapezoidal, distinctly over twice as broad as long, with sides nearly straight in front of broadest site, lateral corners rounded, posterior margin weakly arcuate. Abdominal ventrites (Fig. 22) together slightly longer than meso- and metaventrite combined; ventrite 1 nearly as long as 2 – 4 together, with lateral groups of circular alveolate punctures similar in diameters to those on sides of metaventrite and separated by spaces subequal to or narrower than their diameters, median and posterior regions impunctate; ventrite 2 with transverse row of small diffuse punctures, ventrites 3 – 5 with indistinct, inconspicuous punctures. Aedeagus (Figs 23 – 24); tegmen (Fig. 23) over twice as broad as penis and strongly elongate, with rounded sides broadly constricted in median and subapical regions, with three pairs of thick lateral subapical setae and rounded apex; penis (Fig. 24) slender, broadly constricted in sub-basal region, with rounded apex.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE637443FF08FA92C850FC70.taxon	etymology	Etymology. This species is dedicated to the late Guillermo Kuschel, who collected some specimens used in our study, including the holotype of this species.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE637443FF08FA92C850FC70.taxon	distribution	Distribution. New Caledonia.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE637443FF08FA92C850FC70.taxon	discussion	Remarks. Ostomopsis kuscheli is a highly variable species; the largest specimens are 30 % longer than the smallest ones; the proportions of body parts and the pigmentation also vary. Besides the aedeagus, all specimens share the generally stout body form with the elytra drop-shaped, conspicuously long and erect setae, and a remarkable pattern of punctures. Fully pigmented specimens can be easily distinguished from all remaining Ostomopsis species by their bicolored pigmentation. Only adults of O. kuscheli and O. watti have suboval bodies with the elytra narrowing toward apices from less than anterior half; all remaining species are more elongate, with elytra more parallel-sided anteriorly. Externally, O. kuscheli differs from O. watti in having much more distinct elytral rows of punctures, especially on sides (in O. watti the rows are indistinct on entire elytra); the antennomere 3 about three times as long as wide (in O. watti about twice as long), antennomeres 4 and 5 each slightly elongate (in O. watti each transverse); the presence of a pair of shallow circular impressions on the anteromedian region of the metaventrite; and in the strongly elongate tegmen (conspicuously short in O. watti).	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE667440FF08FBBACE10FE68.taxon	materials_examined	Type material examined. Holotype (Panama): sex unknown, “ Fairchild Trail / Barro Colorado Island / Canal Zone, Jan. 28 1959 / berlese sample, B- 180 / heart of old palm ground, H. S. Dybas ” (FMNH). Additional material examined. Dominican Republic: 4 exx (3 disarticulated on one card), Magua, 30. vii. 1978, R. O. Schuster leg., from coconut log. (ANIC). Cuba: 1 ex., Holguin, Sierra de Nipe, Rio Gayabo Gorge, 5. vi. 1990, 530 m, M. A. Ivie leg. (MAIC). Guadelupe: 1 ex., Dufau, Coll. Grouvelle (MNHN). Panama: 2 exx., Madden lake area, 6. ii. 1959, leg. H. S. Dybas, fibrous crown of dead fallen palm, Berlese (FMNH, ANIC); 1 ex., Bocas del Toro, Almirante, trail to dam on Nigua Creek, 31. iii. 1959, F. Dybas leg., cortex of hollowed palm stump, Berlese (FMNH). USA: 1 ex, Florida, Monroe County, Lignum Vice Key, 14. iii. 1968, S. Peck leg., hardwood forest litter (FMNH). Jamaica: 1 ex., Negril, West mursland, 2. i. 1956, P. F. Bellivger leg., litter on sand under coconut (FMNH). Montserrat: Cassava Ghaut, Beattie House, 190 m, 16 ° 45.91 ’ N, 62 ° 12.95 W, 21 - 30. vi. 2002, M. A. Ivie, UV light trap (MAIC); 1 ex., same data except for A. Krakower and 23. iii. - 3. iv. 2002 (MAIC). Emended diagnosis. Body uniformly light brown; elytra elongate, with EL / EW 1.3 or more and sides parallel in more than anterior half; eyes large; sides of pronotum with conspicuously long, sparse setae; median area on pronotum and median area on mesoventrite punctate; punctures on sides of elytra in anterior half distinctly larger than those on median region of pronotum; prosternal process with strongly concave sides and straight distal margin; mesoventral process slightly less than twice as broad as prosternal process; scutellar shield over twice as broad as long; antennomere 3 2.5 × as long as broad, 4 about as long as broad, 5 weakly transverse; tegmen strongly elongate but much shorter than penis.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE667440FF08FBBACE10FE68.taxon	description	Redescription. Body of both sexes (Figs 25 – 26) elongate oval, strongly flattened; BL 1.00 – 1.13 mm, BL / EW 2.10 – 2.32; pigmentation uniformly light brown. Head (Figs 25 – 26) subtrapezoidal, HL 0.13 – 0.15 mm, HW 0.28 – 0.30 mm; vertex and frons weakly convex; eyes large and strongly convex, coarsely faceted. Vertex and frons relatively sparsely covered with shallow and small but distinct punctures of equal diameters and almost evenly distributed, not alveolate, those on median area separated by spaces as wide as 1 – 2 of their diameters; punctures on clypeus distinct but much smaller than those on frons and vertex. Setae moderately long and dense, suberect. Antenna (Fig. 26) about as long as pronotum or indistinctly shorter, AnL 0.23 – 0.25 mm; scape weakly elongate, pedicel 2.2 × as long as broad, antennomere 3 strongly elongate, 2.5 × as long as broad, 4 about as long as broad, 5 – 7 each weakly transverse, 8 about twice as broad as long, club elongate and distinctly subdivided by shallow constriction into nearly equally long, fused antennomeres 10 and 11. Pronotum (Fig. 25) broadest near posterior third, about 1.5 × as broad as head; PL 0.25 – 0.28 mm, PW 0.41 – 0.50 mm, PL / PW 0.55 – 0.65; anterior margin evenly, weakly rounded; anterior corners blunt and distinctly projecting anterad; lateral margins broadly rounded and sparsely crenulate; posterior corners blunt, strongly obtuse-angled; posterior margin shallowly bisinuate. Narrow area along each lateral margin distinctly flattened and largely impunctate, with distinct submarginal line posteriorly joining indistinct submarginal line of posterior pronotal margin; remaining surface of pronotum covered with small circular, variable in diameter and slightly unevenly distributed punctures; some punctures with sharply marked margins, some diffuse, especially those on anterolateral regions; several largest punctures are distributed along lateral portions of pronotal base; smaller punctures are distributed on convex portion of pronotal disc, sparser at middle (punctures separated by spaces 2 – 4 × as wide as their diameters), denser on anterolateral areas (where punctures are separated by spaces subequal to or narrower than their diameters). Dorsal setae as long as those on head, moderately dense and suberect; several setae on lateral pronotal margins are about twice as long as width of flattened area along each side. Ventral surface of prothorax (Fig. 26) with prosternal process about as long as wide, with sides strongly concave, strongly broadening posterad, posterior corners sharp-angled with acute tips and distinctly projecting laterad, distal margin nearly straight; entire prosternum covered with circular and oval alveolate punctures distinctly larger than those on median area of pronotum and unevenly distributed; those along anterior prosternal margin nearly touching one another, some even showing tendency to fuse together, those on median region separated by spaces 2 – 3 × as wide as diameters of punctures, those on sides of prosternum and on inner regions of hypomera slightly larger and distinctly denser, separated by spaces equal to and narrower than their diameters; outer regions of hypomera impunctate and smooth. Setae on prosternum sparse, short and nearly recumbent; setae on hypomera equally long but sparser; anterior prosternal margin microcrenulate and with dense row of short setae directed anterad. Mesoventrite (Fig. 26) with mesoventral process between mesocoxae with sub-parallel sides, about 1.3 × as wide as prosternal process; surface covered with variously large circular alveolate punctures distinctly larger than those on prosternum, on median area sparse, separated by spaces 1 – 2 × as wide as their diameters, on sides much denser, between mesocoxae punctures moderately dense and unevenly distributed. Metaventrite (Fig. 26) strongly transverse, clearly longer than mesoventrite; large median area impunctate, with variously visible, in most specimens indistinct discrimen in posterior 1 / 3 – 1 / 2; anterior region and sides with circular alveolate punctures only slightly variable in diameters, all smaller than largest punctures on mesoventrite, spaces between punctures subequal to their diameters; those along anterior metacoxal margins distinctly denser. Posterior metaventral margin between metacoxae slightly concave. Hind wings long and functional. Elytra (Fig. 25) together semioval, 2.3 – 2.8 × as long as pronotum and indistinctly broader than pronotum; EL 0.63 – 0.70 mm, EW 0.45 – 0.51 mm, EL / EW 1.30 – 1.47. Sides nearly parallel in slightly more than anterior half or barely noticeably broadening from humeri to slightly behind middle, evenly rounded and moderately strongly convergent posterad in posterior 1 / 3; conspicuously narrow area along each lateral margin distinctly flattened; humeri slightly obtuse-angled, humeral calli weakly marked; each elytron with nine longitudinal rows of small, circular punctures, but two adsutural rows may be slightly irregular, at least some punctures on anterior or anteromedian half with sharply defined margins, slightly smaller than largest pronotal punctures, punctures reducing in diameter toward apices; remaining cuticle virtually impunctate or with a few tiny punctures near suture; setae similar to those on pronotum. Epipleura (Fig. 26) near middle length about as broad as metafemur, weakly narrowing, largely parallel-sided, each with distinct undulate ridge along mesal margin. Mesoscutellar shield (Fig. 25) subtrapezoidal, distinctly over twice as broad as long, with sides straight in front of broadest site, lateral corners blunt but sharp-angled, posterior margin angulate with straight lateral portions. Abdominal ventrites (Fig. 26) together slightly longer than meso- and metaventrite combined; ventrite 1 slightly shorter than 2 – 4 together, with median area and narrow posterior stripe impunctate or nearly impunctate, with very shallow, ‘ scaly’ punctures on sides similar in diameters to those on sides of metaventrite and separated by spaces subequal to or narrower than their diameters; ventrite 2 with transverse ridge bearing several triangular posterior projections, ventrites 2 – 5 with fine, inconspicuous punctures. Aedeagus (Fig. 27); tegmen nearly four times as broad as penis and strongly elongate, with sides broadly constricted in subapical region, with one conspicuously long and one short pair of lateral apical setae and with truncate apex; penis nearly filiform, slightly and gradually narrowing from base to subtriangular, pointed apex.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE667440FF08FBBACE10FE68.taxon	distribution	Distribution. USA (Florida); Mexico (San Luis Potosi, Veracruz), Panama, Cuba, Hispaniola, Jamaica, Guadeloupe, Montserrat.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE667440FF08FBBACE10FE68.taxon	discussion	Remarks. Ostomopsis neotropicalis is most similar to O. solitaria, and somewhat also to O. solomon. All three species have elongate bodies, but can be easily distinguished by characters given in the key. Among elongate species with large eyes, O. solitaria can be recognized by a large median area on the pronotum and a small median area on the mesoventrite being impunctate, and by having much less distinct punctures on the pronotum and elytra than those in O. neotropicalis and O. solomon. The two latter species clearly differ in diameters and distribution of punctures (O. neotropicalis is finely and sparsely punctate, and O. solomon has distinctly larger and denser punctures on all body parts), and proportions of antennomeres (in O. neotropicalis antennomere 3 more than twice as long as broad, 4 about as long as broad; in O. solomon antennomere 3 less than twice as long as broad, 4 strongly transverse).	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE65745EFF08FDC2CE14F9CC.taxon	materials_examined	Type material examined. Holotype (Seychelles): sex unknown, “ Silhouette / Seychelles Exp. ” / “ Ostomopsis solitaria / Type H. S. Scott ” (BMNH). Additional material examined. New Caledonia: 3 exx, Hieughène, 27.10.1978, G. Kuschel, sifted leaf litter (NZAC, MIZ). Christmas Island: 3 exx (including 2 disarticulated males), 3 km N South Point, 10.33 S, 105.39 E, 22. iv. 1989, J. F. Lawrence, under bark & in log litter, berlesate (ANIC); 10 ex., Hughs Dale, 10.29 S, 105.33 E, 12 - 25. iv. 1989, J. F. Lawrence, leaf & log litter, berlesate (ANIC); 15 exx., vic. of Grants Well, 10.28 - 29 S, 105.39 - 40 E, 13 - 28. iv. 1989, J. F. Lawrence, leaf & log litter, berlesate (ANIC). Northern Mariana Islands: 5 exx, Tinian Island, Mt. Lasso, NW slope, 18. iii. 1945, H. S. Dybas, under bark and in porous wood of log (FMNH); 1 ex., Saipan Island, Papago area, 27. i. 1945, H. S. Dybas, under bark and in wood (FMNH). Emended diagnosis. Body uniformly light brown; elytra elongate, with EL / EW exceeding 1.3 and sides parallel in much more than anterior half; eyes large; sides of pronotum with conspicuously long, sparse setae; large median area on pronotum and small median area on mesoventrite virtually impunctate; punctures on sides of elytra in anterior half distinctly larger than those on median region of pronotum; prosternal process with strongly concave sides and weakly bisinuate distal margin; mesoventral process nearly twice as broad as prosternal process; scutellar shield over twice as broad as long; antennomere 3 twice as long as broad, 4 – 5 each strongly transverse; tegmen conspicuously short, barely longer than wide.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE65745EFF08FDC2CE14F9CC.taxon	description	Redescription. Body of both sexes (Figs 28 – 29) elongate oval, strongly flattened; BL 0.89 – 1.10 mm, BL / EW 2.10 – 2.26; pigmentation uniformly light brown, in some specimens yellowish. Head (Figs 28 – 29) subtrapezoidal, HL 0.11 – 0.15 mm, HW 0.25 – 0.33 mm; vertex and frons weakly convex; eyes large and strongly convex, coarsely faceted. Vertex and frons densely covered with shallow and tiny but distinct punctures of equal diameters and almost evenly distributed, not alveolate, those on median area separated by spaces as wide as 1 – 2 × their diameters; punctures on clypeus less distinct than those on frons and vertex. Setae moderately long and dense, suberect. Antenna (Fig. 29) about as long as pronotum or indistinctly shorter, AnL 0.21 – 0.28 mm; scape weakly elongate, pedicel about twice as long as broad, antennomere 3 strongly elongate, twice as long as broad, 4 – 9 each strongly transverse, club nearly spherical and indistinctly subdivided by shallow constriction into nearly equally long, fused antennomeres 10 and 11. Pronotum (Fig. 28) broadest near posterior third or fourth, about 1.4 – 1.7 × as broad as head; PL 0.20 – 0.25 mm, PW 0.35 – 0.56 mm, PL / PW 0.50 – 0.59; anterior margin weakly rounded, in some specimens straight at middle; anterior corners blunt and distinctly projecting anterad; lateral margins broadly rounded and sparsely crenulate; posterior corners strongly obtuse-angled but with acute tips; posterior margin shallowly bisinuate. Broad area along each lateral margin distinctly flattened and largely impunctate, with distinct submarginal line, submarginal line also developed along posterior pronotal margin, but laterally not reaching posterior corners; remaining surface of pronotum covered with very small circular, variable in diameter and slightly unevenly distributed punctures; most punctures are diffuse, only some on sides have sharp margins; several largest punctures are distributed along lateral portions of pronotal base; smaller punctures are distributed on convex portion of pronotal disc, small and sparse at middle (punctures separated by spaces 2 – 3 × as wide as their diameters), larger and denser on sides of convex region (where punctures are separated by spaces about 1.5 × as wide as their diameters). Dorsal setae as long as those on head, moderately dense and suberect to erect; several setae on lateral pronotal margins are about 2.5 × as long as width of flattened area along each side. Ventral surface of prothorax (Fig. 29) with prosternal process slightly longer than wide, hourglass-shaped, with sides strongly concave, strongly broadening posterad, posterior corners rounded, distal margin indistinctly projecting posterad at middle; entire prosternum covered with circular alveolate punctures distinctly larger than those on median area of pronotum and unevenly distributed; those along anterior prosternal margin separated by spaces as wide as half diameter of punctures, those on sides of prosternum separated by spaces 0.5 – 1 × as wide as their diameters, median area nearly impunctate; hypomera with punctures only near prosternum, outer regions impunctate and weakly microreticulate. Setae on prosternum sparse, short and nearly recumbent; setae on hypomera barely discernible; anterior prosternal margin microcrenulate and with dense row of short setae directed anterad. Mesoventrite (Fig. 29) with mesoventral process between mesocoxae with sides projecting laterad to form pair of round lateral convexities, about twice as wide as prosternal process; surface covered with variously large circular alveolate punctures slightly larger than those on prosternum, on anteromedian area sparse, separated by spaces 1 – 3 × as wide as their diameters, on sides denser, area between mesocoxae almost impunctate. Metaventrite (Fig. 29) strongly transverse, clearly longer than mesoventrite; large median area impunctate, with variously visible, in most specimens distinct discrimen in posterior 1 / 3 – 1 / 2; circular alveolate punctures distributed mainly along posterior margins of mesocoxae and anterior margins of metacoxae, where distances between punctures are slightly narrower than their diameters; largest punctures comparable to those on mesoventrite. Posterior metaventral margin between metacoxae slightly concave. Hind wings long and functional. Elytra (Fig. 28) together semioval, 2.7 – 3.2 × as long as pronotum and indistinctly broader than pronotum; EL 0.58 – 0.80 mm, EW 0.40 – 0.60 mm, EL / EW 1.33 – 1.47. Sides nearly parallel in anterior 2 / 3, evenly rounded in posterior 1 / 3; narrow area along each lateral margin distinctly flattened; humeri slightly obtuse-angled, humeral calli weakly marked; each elytron with nine longitudinal rows of small, circular punctures, but those in median half of each elytron are in most specimens indistinct; all punctures with diffuse margins, slightly smaller than largest pronotal punctures, except for unevenly distributed pits along lateral margins; remaining cuticle virtually impunctate; setae similar to those on pronotum. Epipleura (Fig. 29) near middle length slightly narrower than metafemur, weakly narrowing, or even indistinctly broadening from near middle, each with indistinct undulate ridge along mesal margin. Mesoscutellar shield (Fig. 28) subtrapezoidal, distinctly over twice as broad as long, with sides straight in front of broadest site, lateral corners rounded, posterior margin angulate with indistinctly sinuate lateral portions. Abdominal ventrites (Fig. 29) together indistinctly longer than meso- and metaventrite combined; ventrite 1 subequal in length to 2 – 4 together, with only a few very shallow circular and sparse punctures on sides; ventrite 2 with transverse ridge bearing several triangular posterior projections and situated just behind anterior margin, ventrites 2 – 5 with fine, inconspicuous punctures. Aedeagus (Figs 30 – 31); tegmen conspicuously short, with rounded apex and lateral apical groups of 4 – 5 short setae; penis nearly filiform, with subtriangular and rounded apex.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE65745EFF08FDC2CE14F9CC.taxon	distribution	Distribution. Seychelles, New Caledonia, Christmas Island, Northern Mariana Islands.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE65745EFF08FDC2CE14F9CC.taxon	discussion	Remarks. The identity of this species is somewhat uncertain; the holotype was not dissected due to its fragile condition, and no additional material from the Seychelles was available for dissections. For this reason, identifications of specimens from other regions are based on external characters, which seem stable, but may require verification when additional material collected in the type locality for O. solitaria becomes available. Ostomopsis solitaria is most similar to O. neotropicalis and O. solomon; see Remarks for O. neotropicalis.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE7B745CFF08F926CA51F97C.taxon	description	(Figs 32 – 33)	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE7B745CFF08F926CA51F97C.taxon	materials_examined	Type material examined. Holotype (Solomon Islands): ♀, “ Holotype ” / SOLOMON IS: / Pres. / P. K. M. Greenslade. / B. M. 1966 - 477 ”, “ 2 / 8 1966 / 13294 / P. GREENSLADE ”, “ SOLOMON IS. / New Georgia / {date indecipherable} (BMNH). Paratype: ♀, disarticulated specimen on separate card under holotype, with “ Paratypus ” label beneath (BMNH).	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE7B745CFF08F926CA51F97C.taxon	diagnosis	Diagnosis. Body uniformly light brown; elytra elongate, with EL / EW 1.3 and sides parallel in anterior half; eyes large; sides of pronotum with conspicuously long, sparse setae; median area on pronotum and median area on mesoventrite punctate; punctures on sides of elytra in anterior half much larger than those on median region of pronotum; prosternal process with strongly concave sides and weakly bisinuate distal margin; mesoventral process slightly less than twice as broad as prosternal process; scutellar shield over twice as broad as long; antennomere 3 about twice as long as broad, 4 – 5 each strongly transverse.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE7B745CFF08F926CA51F97C.taxon	description	Description. Body (Figs 32 – 33) elongate oval, strongly flattened; BL 1.01 mm, BL / EW 2.03; pigmentation uniformly light brown. Head (Figs 32 – 33) subtrapezoidal, HL 0.11 mm, HW 0.28 mm; vertex and frons weakly convex; eyes large and strongly convex, coarsely faceted. Vertex and frons densely covered with shallow punctures with diffuse margins and of unequal diameters and slightly unevenly distributed, among very fine punctures there are several nearly twice as wide; distances between punctures on median area equal to 1 – 2 diameters of punctures; punctures on clypeus distinct but very fine. Setae long and dense, erect. Antenna (Figs 32 – 33) about as long as pronotum, AnL 0.23 mm; scape weakly elongate, pedicel about twice as long as broad, antennomere 3 strongly elongate, about twice as long as broad, 4 – 9 each strongly transverse, club indistinctly elongate and indistinctly subdivided by superficial constriction into equally long, fused antennomeres 10 and 11. Pronotum (Fig. 32) broadest near posterior third, 1.6 × as broad as head; PL 0.25 mm, PW 0.44 mm, PL / PW 0.57; anterior margin evenly, weakly rounded; anterior corners blunt and distinctly projecting anterad; lateral margins broadly rounded and sparsely crenulate; posterior corners strongly obtuse-angled but with very tips acute; posterior margin indistinctly bisinuate. Relatively broad area along each lateral margin distinctly flattened and largely impunctate, with distinct submarginal line; remaining surface of pronotum covered with circular, variable in diameter and depth, nearly evenly distributed punctures, most of them with sharply marked margins; largest punctures are distributed along lateral portions of pronotal base; small punctures are distributed on median area and separated by spaces subequal to their diameters. Setae on convex area of disc similar to those on head, dense and erect; those on lateral pronotal margins over twice as long as flattened area along each side. Ventral surface of prothorax (Fig. 33) with prosternal process about as long as wide, with sides strongly concave, strongly broadening posterad, posterior corners blunt but strongly projecting laterad, distal margin bisinuate; entire prosternum covered with circular and oval alveolate punctures much larger than those on pronotum and unevenly distributed; those along anterior prosternal margin dense, separated by spaces clearly narrower than their diameters, those on median region separated by spaces subequal to their diameters; hypomera punctate only in inner halves, with punctures similar to those on prosternum but becoming obsolete toward sides, outer regions of hypomera impunctate and indistinctly microreticulate. Setae on prosternum sparse, short and nearly recumbent, present mostly on anterior half; setae on hypomera similarly long; anterior prosternal margin finely crenulate and with dense row of short setae directed anterad. Mesoventrite (Fig. 33) with mesoventral process between mesocoxae with sides slightly expanding laterad, slightly less than 1.5 × as broad as prosternal process; median area of mesoventrite behind shallow procoxal rests covered with particularly large circular alveolate punctures, some distinctly larger than those on prosternum, unevenly distributed, separated by spaces 0.5 – 1.5 × as wide as their diameters, punctures reducing in diameter toward sides, those between mesocoxae separated by spaces narrower than their diameters. Metaventrite (Fig. 33) strongly transverse, indistinctly longer than mesoventrite; small median area impunctate, with distinct short discrimen in posterior half; sides with variously large circular alveolate punctures, largest and densest behind each mesocoxa, where punctures nearly touch one another. Posterior metaventral margin between metacoxae slightly concave. Hind wings long and functional. Elytra (Fig. 32) together semioval, 2.6 × as long as pronotum and indistinctly broader than pronotum; EL 0.65 mm, EW 0.50 mm, EL / EW 1.30. Sides parallel in slightly more than anterior half, evenly rounded in posterior 1 / 3; moderately broad area along each lateral margin distinctly flattened; humeri slightly obtuse-angled, humeral calli weakly marked; each elytron with eight longitudinal rows of large, circular punctures, at least some of those on anterior half with sharp margins, clearly larger than pronotal punctures, punctures reducing in diameter toward apices; remaining cuticle virtually impunctate; setae similar to those on pronotum. Epipleura (Fig. 33) near middle length indistinctly narrower than width of metafemur, each with distinct undulate ridge along mesal margin. Mesoscutellar shield (Fig. 32) subtrapezoidal, distinctly over twice as broad as long, with sides slightly concave in front of broadest site, lateral corners rounded, posterior margin distinctly angulate. Abdominal ventrites (Fig. 33) together indistinctly longer than meso- and metaventrite combined; ventrite 1 nearly as long as 2 – 4 together, with lateral groups of circular alveolate punctures smaller than those on sides of metaventrite and separated by spaces 0.5 – 2 × as wide as their diameters, median and posterior regions impunctate; ventrite 2 with transverse ridge with subtriangular posterior projections, ventrites 2 – 5 with fine, inconspicuous punctures.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE7B745CFF08F926CA51F97C.taxon	etymology	Etymology. After the Solomon Islands (noun in apposition).	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE7B745CFF08F926CA51F97C.taxon	distribution	Distribution. Solomon Islands.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE7B745CFF08F926CA51F97C.taxon	discussion	Remarks. Ostomopsis solomon is most similar to O. neotropicalis and O. solitaria; see Remarks for O. neotropicalis.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE797459FF08F8ADCE1EFE14.taxon	description	(Figs 34 – 37)	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE797459FF08F8ADCE1EFE14.taxon	materials_examined	Type material examined. Holotype (New Caledonia): sex unknown, “ NEW CALEDONIA / Rivière Bleue / 10 Oct 1978 / G. Kuschel: “ Sifted litter / and rotten wood / 78 / 221 ” (NZAC). Paratypes. New Caledonia: 9 exx (incl. one dissected male), same data as for holotype (NZAC, ANIC, MNHW).	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE797459FF08F8ADCE1EFE14.taxon	diagnosis	Diagnosis. Body uniformly light brown; elytra stout, with EL / EW not exceeding 1.1 and sides rounded on entire length; eyes large; sides of pronotum with conspicuously long, sparse setae; median area on pronotum and median area on mesoventrite punctate; punctures on sides of elytra in anterior half comparable to those on median region of pronotum; prosternal process with weakly concave sides and strongly rounded distal margin; mesoventral process only slightly broader than prosternal process; scutellar shield over twice as broad as long; antennomere 3 about twice as long as broad, 4 – 5 each distinctly transverse; tegmen conspicuously short, barely longer than wide.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE797459FF08F8ADCE1EFE14.taxon	description	Description. Body of both sexes (Figs 34 – 35) short oval, moderately convex; BL 1.30 – 1.38 mm, BL / EW 1.67 – 1.73; pigmentation uniformly light brown. Head (Figs 21 – 22) subtrapezoidal, HL 0.15 – 0.18 mm, HW 0.36 – 0.39 mm; vertex and frons weakly convex; eyes large and strongly convex, coarsely faceted. Vertex and frons densely covered with distinct punctures of nearly uniform diameters and slightly unevenly distributed, all with diffuse margins and separated by spaces subequal to their diameters, except for a few punctures distinctly closer one to another. Setae long and dense, erect. Antenna (Fig. 35) clearly shorter than pronotum, AnL 0.28 – 0.30 mm; scape weakly elongate, pedicel 2.2 × as long as broad, antennomere 3 strongly elongate, about twice as long as broad, 4 – 9 each distinctly transverse, club weakly elongate and indistinctly subdivided by constriction into fused antennomeres 10 and 11. Pronotum (Fig. 34) broadest near posterior third or fourth, 1.74 – 1.86 × as broad as head; PL 0.35 – 0.38 mm, PW 0.68 mm, PL / PW 0.52 – 0.56; anterior margin evenly, strongly rounded; anterior corners blunt and distinctly projecting anterad; lateral margins broadly rounded and sparsely crenulate; posterior corners blunt, only slightly obtuse-angled; posterior margin shallowly bisinuate. Relatively broad area along each lateral margin distinctly flattened and largely impunctate, with distinct submarginal line; remaining surface of pronotum covered with circular, variable in diameter and depth, unevenly distributed punctures; largest have sharp margins and are distributed near middle of each lateral half or convex portion of disc, they are separated by spaces equal to or distinctly narrower than diameters of punctures; remaining areas with smaller, shallower but similarly dense punctures with variously distinct margins; relatively broad lateral regions of median, convex portion of pronotal disc appear impunctate. Setae about as long and dense as those on head, erect; those on lateral pronotal margins over twice as long as width of flattened area along each side. Ventral surface of prothorax (Fig. 35) with prosternal process about as long as wide, with sides distinctly but not strongly concave, slightly broadening posterad, posterior corners blunt, nearly right-angled and distinctly projecting laterad, distal margin strongly convex; entire prosternum covered with circular alveolate punctures slightly larger than those on pronotum and unevenly distributed; those on median area sparser, separated by spaces wider than their diameters, those along anterior prosternal margin and on sides denser, separated by spaces narrower than their diameters; hypomera punctate only in inner halves, with punctures similarly large and sparse as on middle of prosternum; outer regions of hypomera impunctate and smooth. Setae on prosternum sparse, short and nearly recumbent; setae on hypomera barely discernible; anterior prosternal margin microcrenulate and with dense row of short setae directed anterad. Mesoventrite (Fig. 35) with mesoventral process between mesocoxae with concave sides, expanding distad and only slightly broader than prosternal process; mesoventrite covered with variously large circular and oval alveolate punctures, largest distributed on sides, in front of each mesocoxa, where punctures are almost touching one another; median area including mesoventral process with smaller and sparser punctures. Metaventrite (Fig. 35) strongly transverse, subequal in length to mesoventrite; large median area impunctate, with indistinct short discrimen in posterior 1 / 3; sides with large circular alveolate or somewhat scaly punctures, spaces between punctures equal to their diameters or narrower (especially for those along anterior metacoxal margins). Posterior metaventral margin between metacoxae nearly straight. Hind wings long and functional. Elytra (Fig. 34) together drop-shaped, 2.20 – 2.29 × as long as pronotum and distinctly broader than pronotum; EL 0.78 – 0.83 mm, EW 0.75 – 0.80 mm, EL / EW 1.03. Sides rounded and strongly convergent posterad in posterior half, with relatively well-defined broadest site near anterior third; broad area along each lateral margin distinctly flattened; humeri slightly obtuse-angled, humeral calli weakly marked; each elytron with poorly defined nine longitudinal rows of small, circular punctures, at least some of those on anterior third of each elytron with sharply defined margins, slightly smaller than largest pronotal punctures, punctures clearly reducing in diameter toward apices, also those on adsutural half small and shallow, in some specimens poorly marked; remaining cuticle virtually impunctate; setae similar to those on pronotum. Epipleura (Fig. 35) near middle length slightly broader than width of metafemur, each with distinct undulate ridge along mesal margin. Mesoscutellar shield (Fig. 34) subtrapezoidal, nearly three times as broad as long, with sides nearly straight in front of broadest site, lateral corners rounded, posterior margin weakly angulate. Abdominal ventrites (Fig. 35) together slightly longer than meso- and metaventrite combined; ventrite 1 slightly longer than 2 – 4 together, with lateral groups of circular alveolate punctures similar in diameters to those on sides of metaventrite but shallower, separated by spaces narrower than their diameters, median region impunctate; ventrite 2 with indistinct transverse ridge with posterior triangular projections, ventrites 3 – 5 with indistinct, inconspicuous punctures. Aedeagus (Figs 36 – 37); tegmen (Fig. 23) conspicuously short, with three pairs of slender lateral apical setae and slightly emarginate apex; penis slender, largely parallel-sided, with rounded subtriangular apex.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE797459FF08F8ADCE1EFE14.taxon	etymology	Etymology. This species is dedicated to the late Dr. John Charles Watt, former Coleoptera curator at NZAC.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE797459FF08F8ADCE1EFE14.taxon	distribution	Distribution. New Caledonia.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
03F287B2EE797459FF08F8ADCE1EFE14.taxon	discussion	Remarks. Ostomopsis watti is most similar to the sympatric O. kuscheli; see Remarks for the latter species.	en	Jałoszyński, Paweł, Ślipiński, Adam (2021): Revision of the subfamily Ostomopsinae (Coleoptera: Cerylonidae). Zootaxa 4985 (4): 459-481, DOI: 10.11646/zootaxa.4985.4.2
