Deltocoelidia longistyla, Gonçalves & Prando, 2025

Gonçalves, Clayton Corrêa & Prando, Jádila Santos, 2025, Description of a new species for monotypic genera: Deltocoelidia Kramer, Neocoelindroma Marques-Costa & Cavichioli, and Placoscopana Gonçalves, Marques-Costa & Ale-Rocha (Insecta: Hemiptera: Cicadellidae: Neocoelidiinae), Zootaxa 5660 (1), pp. 53-66 : 57-58

publication ID	https://doi.org/10.11646/zootaxa.5660.1.2
publication LSID	lsid:zoobank.org:pub:F6E9EB7E-8DFF-4333-9F2B-09AD3A6AC3E5
persistent identifier	https://treatment.plazi.org/id/03CC721F-FFEF-FFB0-FF73-FE98FCBBB717
treatment provided by	Plazi
scientific name	Deltocoelidia longistyla
status	sp. nov.

Treatment

Deltocoelidia longistyla View in CoL sp. nov.

Zoobank: urn:lsid:zoobank.org:act:8FB2186B-0191-43BE-9793-5721E56F4370

( Figs 1A–K View FIGURE 1 ; 2A–J View FIGURE 2 ; 5A–D View FIGURE 5 )

Diagnosis. Forewing ( Fig. 1D View FIGURE 1 ) pale yellow with two brown maculae: one near apex of clavus, and second at apex of first apical cell. Pygofer ( Fig. 1E View FIGURE 1 ) subquadrangular, ventral margin sinuous, strongly sclerotized, bearing a subapical tooth and a digitiform apical process. Subgenital plates ( Fig. 1G View FIGURE 1 ) completely fused, except for the apical portion; ventral surface with a row of macrosetae on apical portion. Style ( Fig. 1H, I View FIGURE 1 ) with subtriangular lateral preapical lobe; apical hook very elongated, slightly curved dorsally. Aedeagus ( Fig. 1J, K View FIGURE 1 ), simple, without processes; shaft tubular, apical portion laterally compressed and strongly curved anterodorsally. Female sternite VII ( Fig. 2A, C View FIGURE 2 ) subquadrangular; posterior margin rounded, slightly excavated medially.

Measurements. Males, 5.7–6.1 mm (n = 4); females, 6.8–6.9 (n = 3).

Description. Head, in dorsal view ( Figs 1A View FIGURE 1 , 5A, C View FIGURE 5 ), median length of crown equal to or slightly greater than interocular width. Head, in frontal view ( Fig. 1B View FIGURE 1 ), frons approximately 1.8 times higher than wide; clypeus approximately 1.6 times higher than maximum width, lateral margins parallel. Forewing ( Fig. 1D View FIGURE 1 ) semi-hyaline, approximately 3.3 times longer than maximum width; basis of second and fourth apical cells approximately equidistant and proximal to base of third apical cell. Other external morphological characters as in the generic description in Kramer (1961, 1964).

Coloration. Pale yellow ( Figs 1A–C View FIGURE 1 ; 5A–D View FIGURE 5 ). Head ( Figs 1A View FIGURE 1 ; 5A View FIGURE 5 ) with a red macula adjacent to posterior margin and extending to half-length of crown; red macula larger and with two lateral small projections in females ( Fig. 5C View FIGURE 5 ). Pronotum ( Figs 1A View FIGURE 1 ; 5A, C View FIGURE 5 ) with a longitudinal median red band, progressively widening towards the posterior margin. Mesonotum ( Fig. 5A, C View FIGURE 5 ) with or without a narrow red median longitudinal stripe. Forewing ( Figs 1D View FIGURE 1 ; 5A, C View FIGURE 5 ) pale yellow with apical portion fuscous; a red band adjacent to anal margin, extending from basal angle to Pcu vein; and two brown maculae: one near apex of clavus, adjacent to anal margin, and second at apex of first apical cell. Legs ( Fig. 5A–D View FIGURE 5 ) pale yellow. Two specimens collected in Amazonas State ( Brazil) lack maculae on the crown, pronotum, and forewings; however, this may be due to the preservation method, as similar coloration differences have been observed in other Cicadellidae species, or it may indicate that the specimen had recently emerged as an adult.

Male terminalia. Pygofer, in lateral view ( Fig. 1E View FIGURE 1 ), subquadrangular, slightly longer than high; dorsal margin rounded; ventral margin sinuous, strongly sclerotized, with a subapical tooth and digitiform apical process posteriorly produced; posterior margin rounded. Anal tube with tergite X subcylindrical, slightly expanded apically. Subgenital plates, in lateral view ( Fig. 1F View FIGURE 1 ), surpassing the pygofer apex; in ventral view ( Fig. 1G View FIGURE 1 ), subtriangular, wider at base and narrowing toward apex; completely fused to each other, except for apical portion; ventral surface with a row of 4–7 macrosetae on apical portion; apex rounded. Connective ( Fig. 1H View FIGURE 1 ) approximately one-fourth length of the styles; arms longer than stem. Style ( Fig. 1H, I View FIGURE 1 ) elongated; apodeme bilobed, with dorsal projection rounded and ventral projection subconical; apophysis expanded preapically bearing some elongated setae in ventral portion; lateral preapical lobe subtriangular; apical hook elongated and slightly dorsally curved, apex rounded. Aedeagus ( Fig. 1J, K View FIGURE 1 ), simple, without processes; preatrium developed, about a quarter of total length of aedeagus; dorsal apodeme developed and short; shaft tubular, wide at base and narrow in apical two-thirds, apical portion laterally compressed and strongly curved anterodorsally.

Female terminalia. Sternite VII ( Fig. 2A, C View FIGURE 2 ) subquadrangular, approximately as long as wide; lateral margins straight and parallel; posterolateral corners rounded; posterior margin rounded, slightly excavated medially. ʻInternalʼ sternite VIII membranous. Pygofer ( Fig. 2B, D View FIGURE 2 ) elongate, 1.4 times as long as maximum height; dorsal margin straight; ventral margin broadly rounded; macrosetae distributed near apex and ventral margin; apex truncated. Ovipositor ( Fig. 2B View FIGURE 2 ) slightly exceeding the apex of pygofer, curved dorsally. First valvifer ( Fig. 2E View FIGURE 2 ) subtriangular, longer than high; anterior and dorsal margins straight, posterior margin oblique; anterodorsal angle rounded. First valvula of ovipositor ( Fig. 2E, F View FIGURE 2 ) elongated, higher in basal two-thirds, and slightly tapered in apical third; dorsal sculptured area strigate, submarginal, present throughout apical two-thirds, expanded to the ventral region only in apex; apex acute. Second valvifer higher than long. Second valvula of ovipositor ( Fig. 2G, H View FIGURE 2 ) elongated, fused medially; ducts indistinct; apical portion slightly expanded, dorsal margin with several irregular small teeth, 3–4 larger rounded teeth interspersed with 2 smaller teeth, ventral margin smooth. Gonoplac ( Fig. 2I, J View FIGURE 2 ) expanded on apical half; external surface along ventral margin and apex with few short and robust setae; apex rounded.

Distribution. Brazil (Amazonas, Rondônia); Peru (Loreto).

Etymology. The specific epithet alludes to exceptionally long and thin apex of style ( Fig. 1H, I View FIGURE 1 ), a characteristic uncommon in Neocoelidiinae .

Material examined. Male holotype: “PERU: Loreto, Iquitos, \ Porvenir P05 \ 3°53’32”S 73°33’37”W \ 05.vii.2011 \ Lamarre G. leg.”, “Seasonally flooded forest \ vitre (V6)” ( UNMSM) GoogleMaps . Paratypes: Brazil – Amazonas: 1♂, “BRASIL, Amazonas, PEF \ Palmeiras do Javari \ 72°48.72W — 5°8.16S \ 1-15 dez 2018, Arm. Malaise \ ML Oliveira and FF Xavier F legs.” ( INPA) GoogleMaps ; 1♂, same data as preceding ( DZRJ) GoogleMaps ; – Rondônia: 1♂, “BRASIL, Rondônia, Porto Velho, \ ESEC Morro 3 Irmãos , iv.2017 \ 9°00’09”S – 64°32’40”W, Malaise, \ V.S. Silva and J.A. Rafael - Rede Bia”; “DNA voucher \ Entomologia DZRJ \ ENT5626” ( INPA) GoogleMaps ; Peru – Loreto: 2♀, same data as holotype ( UNMSM) GoogleMaps ; 1♀, “PERU: Loreto, Iquitos , Jenaro Herrera P13 \ 3°45’50”S 74° 5’19”W \ 31.vii.2011 \ Lamarre G. leg.”, “White sand forest \ Automatic light trap ( ALT)” GoogleMaps , “DNA voucher \ Entomologia DZRJ \ ENT6260” ( DZRJ) .

Remarks. Deltocoelidia longistyla sp. nov. is easily differentiated from D. maldonadoi mainly by the style apex, which is elongated and curved dorsally ( Fig. 1I View FIGURE 1 ) and by the aedeagus without processes ( Fig. 1J View FIGURE 1 ). In D. maldonadoi the style apex is short and curved ventrally (Kramer 1961: fig. 2) and the aedeagus has a pair of long processes on the median portion of shaft (Kramer 1961: figs 3, 4).