新疆蝗总科的新属新种及国内新记录(直翅目)

New Genus and New Species and New Record of Acridoidea (Orthoptera) from Xinjiang, China

记述采自新疆网翅蝗科 1新属 1新种 ,白条蝗属 Albistriacris,gen.nov.,托里白条蝗 Albistriacris tuoliensis,sp.nov.,及中国新记录 :红足米纹蝗 N otostaurusrubripes Mistshenko。

This paper reports a new genus and a new species of Acridoidea from Xinjiang, and a new record from China. The type specimens are deposited in the Department of Biology, Shanxi Normal University. Albistriacris , gen. nov. Size median. Head large, occiput smooth, with median keel. Foveola quadriateral, its length 2 times its width. Frons oblique, frontal ridge wide and flat, only concave in median ocellus. Antennae filiform. Anterior margin of pronotum straight, hind margin obtuse angular; midkeel distinct, lateral keels only distinct in metazoan. Metasternal lobe separated each other. Elytra long, reaching behind the top of hind femur; costal area larger than medial area and cubital area; cubital area larger than medial area; precostal, medial and cubital area all with intercalary veins. Top of lower knee lobe of hind femur round. The length of first tarsus of hind leg as long as the length of second and third tarsi together. Tympanal organ wide oval. Cercus long conical. With a white longitudinal stripe from vertex to the end of elytra. In the disc of pronotum, with a indistinctly white 'X' shape grain. Type species: Albistriacris tuoliensis , sp. nov. This new genus is allied to Notostaurus B. Bienko and Dociostaurus Fieber. It differs from both in: 1) length of foveola 2 times its width; 2) occiput smooth, with median keel; 3) cubital area distinctly wider than medial area; 4) with a white indistinctly 'X' shape grain in pronotum, and a whtie longitudinal stripe from vertex to the end of elytra. It differs from the latter by the costal area without intercalary vein. Albistriacris tuoliensis , sp. nov. (Figs.1～5) Body ocherous, with a white longitudinal stripe from the vertex to the end of elytra. Pronotum black, with a white indistinctly 'X' shape grain. Elytra ocherous, in the basal part of costal area with a white longitudinal stripe; medial area with three black spots; top of elytra black. Hind femur ocherous, upper and outer side with three black bands, inner side with two black bands; knee black. Length of body: ♂ 26 mm～26.5 mm, Length of pronotum: ♂ 4.5 mm～5 mm, Length of elytra: ♂ 20.3 mm～21 mm, Length of hind femur: ♂ 16 mm～16.5 mm, Length of antenna: ♂ 13 mm. Holotype ♂, paratype 1♂, Xinjiang: Tuoli, 83°5′E,40°N, 19 Ⅶ 2001, collected by Lu Rong sheng.