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

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Singillatus ventrospinatus

sp. nov.

Singillatus ventrospinatus   , sp. nov.

( Plate 5B View PLATE 5 , Fig. 266-273 View Figures 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 View Figures 266-273 ), caudoventral process strongly hooked in ventral view ( Fig. 267 View Figures 266-273 ); aedeagus long, tubular with long subapical, glabrous spine, in dorsal view base of spine broad, small secondary spine apically ( Fig. 268, 269 View Figures 266-273 ); style with moderately long apophysis ( Fig. 270, 271 View Figures 266-273 ); dorsal connective long, narrow ( Fig. 268, 269 View Figures 266-273 ); connective large, anterior arms tapered distally, medial ridge complete, stem short, lobate ( Fig. 272 View Figures 266-273 ); subgenital plate long, slightly expanded along middle on outer lateral margin; glabrous ( Fig. 273 View Figures 266-273 ).

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.


Moravske Muzeum [Moravian Museum]