Singillatus ventrospinatus, Nielson, 2015

Nielson, M. W., 2015, A revision of the tribe Coelidiini of the Oriental, Palearctic and Australian biogeographical regions (Hemiptera: Cicadellidae: Coelidiinae), Insecta Mundi 2015 (410), pp. 1-202 : 54

Singillatus ventrospinatus , sp. nov.

( Plate 5B , Fig. 266-273 )

Description. Length. Male 7.60 mm., female unknown.

External morphology. Moderately large, robust species. General color dark brown to black, broad transverse translucent subapical band on forewings, translucent within middle and inner anteapical cells; mesonotum black; pronotum black with yellow bullae; crown brown; eyes dark brown; face ivory; clypeus and clypellus black; head distinctly narrower than pronotum, anterior margin broadly rounded; crown narrower than width of eyes, slightly produced anteriorly, lateral margins convergent basally; eyes large, semiglobular; pronotum large, about as long medially as crown, surface bullated; mesonotum very large, about half longer than pronotum; clypeus long, broad, lateral margins nearly parallel except anteriorly and posteriorly; clypellus very short, about ¼ as long as clypeus, narrow, apex flared laterally.

Male genitalia. Pygofer in lateral view (reverse view) elongate, small lobe apically, with sharply recurved caudoventral process, glabrous ( Fig. 266 ), caudoventral process strongly hooked in ventral view ( Fig. 267 ); aedeagus long, tubular with long subapical, glabrous spine, in dorsal view base of spine broad, small secondary spine apically ( Fig. 268, 269 ); style with moderately long apophysis ( Fig. 270, 271 ); dorsal connective long, narrow ( Fig. 268, 269 ); connective large, anterior arms tapered distally, medial ridge complete, stem short, lobate ( Fig. 272 ); subgenital plate long, slightly expanded along middle on outer lateral margin; glabrous ( Fig. 273 ).

Material examined. Holotype male. NE INDIA: Meghalaya, SW of Cherrapungee , 25 o 13'-14’ N 91 o 40' E., 5-24.v. 2005, 900 m., P. Pacholatko, leg. / Collection Moraské Museum, Brno, Czech Republic ( MMBC).

Etymology. The name of the species is descriptive for the caudoventral process of the pygofer.

Remarks. Singillatus ventrospinatus can be easily separated by the unique configuration of the caudoventral process on the pygofer which is retrorse basally and not evident among known species in the genus.

Figures

PLATE 5. A-I. Dorsal habitus. (A) Singillatus gracilis, sp. nov.; (B) Singillatus ventrospinatus, sp. nov.; (C) Taharana caverna, sp. nov.; (D) Taharana sublamina, sp. nov.; (E) Taharana abstrusa, sp. nov.; (F) Taharana biunca, sp. nov.; (G) Taharana lacertosa, sp. nov.; (H) Taharana biavicula, sp. nov.; (I) Taharana brevicutata, sp. nov.

Figures 266-273. Genitalia, Singillatus ventrospinatus, sp. nov. 266) Male pygofer, lateral view. 267) Pygofer caudoventral process, ventral view. 268) Aedeagus and dorsal connective, lateral view. 269) Aedeagus and dorsal connective, dorsal view. 270) Style, lateral view.271) Style, dorsal view. 272) Connective, caudal view. 273) Subgenital plate, ventral view.