Vizcaya Muir, 1917

Liang, Ai-Ping, 2002, New taxa of Vizcayinae (Hemiptera: Auchenorrhyncha: Delphacidae), including a remarkable new genus from China, Journal of Natural History 36 (5), pp. 601-616 : 610-611

Genus Vizcaya Muir

Vizcaya Muir, 1917: 351 ; Metcalf, 1943: 68; Asche, 1990: 158. Type species: Vizcaya bakeri Muir, 1917 , by monotypy.

Vizcaya comprises a very uniform group of delphacids which can be easily distinguished by the following combination of characters: body slender in appearance with legs and forewings long; antennae with scape and pedicel both strongly elongate, scape slightly or well dilated, pedicel terete with numerous sensory ®elds, which are irregularly arranged over the whole surface (®gures 10, 15, 16); legs very elongate and slender, hind leg spine formula 5:5:4, metatibial spur conical in shape, with 6±12 teeth (including apical tooth) on inner margin; head small and narrow, transition of vertex to frons smooth and rounded; head and pronotum predominantly ochraceous with vertex, upper half of frons, postclypeus and lora shining black, forewings (®gures 47, 50) usually with a large, distinct fuscous patch at apical area beyond nodal line (excluding costal area) and with or without a short fuscous stripe which branches from the fuscous patch and runs to costal margin, clavus and basal costal area usually marked with fuscous; abdomen usually blackish. For details of the antennal sensilla, egg, rostrum and pretarsus (shown for the ®rst time) (see ®gures 10 ±17, 21±27).

Included species and distribution. Nine species; S. India, Philippines (Luzon), Indonesia (Sulawesi, Lombok (new record)), Malaysia ( Sarawak), Thailand, Vietnam, SW China (south Yunnan) (new record), Taiwan (new record).