西双版纳地区蚱总科的研究(直翅目)

A STUDY OF TETRIGOIDEA FROM XISHUANGBANNA (ORTHOPTERA)

本文记述采自云南省西双版纳地区蚱总科昆虫６科２３属４７种，其中有１新属１３新种及１个中国新纪录种。文中具有分种检索表，分布和新种描述。

Fourty seven species, 23 genera and 6 families of Tetrigoidea are known from Xishuangbanna Daizu Zizhizhou area. Among then, one genus and 13 species are newly described to science and one species is a new record from China. Type specimens are kept in the Institute of Zoology, Academia Sinica and Institute of Zoology, College of Life Sciences, Shaanxi Normal University.1 Phaesticus carinatus sp.nov.\ (Figs.1 5) This new species is allied to Phaesticus mellerborgi (Stl), but differs in: 1) width of vertex as wide as the width of an eye; 2) body slender, length of pronotum larger than its width about 3 07 times (♀); 3) anterior margin of pronotum are shape; 4) lateral keels distinctly in prozona; 5) length of upper valvae of ovipositor larger than its width about 4 7 times. Length of body: ♂ 9 mm, ♀ 11 mm. Length of pronotum: ♂ 9 mm, ♀9 mm. Length of hind femur: ♂ 5 mm, ♀7 mm. Holotype ♀, paratype ♂, Yunnan: Xishuangbanna (22°N,101°2′E),8 15. Ⅸ.1993,collected by YANG Long Long.2 Eucriotettix amplifemurus sp.nov.\ (Figs.6 7) This new species is allied to Eucriotettix ridleyi Günther, but differs from the latter in: 1) male, vertex narrower than an eye about 1 25 times; 2) in profile, upper margin of pronotum wave like; 3) lower margins of anterior and middle femora with two large projections; 4) width of middle femur larger than anterior femur about 1 2 1 8 times; 5) width of middle femur larger than the width of elytra. Length of body: ♂ 11 13 mm, ♀14 15 mm. Length of pronotum: ♂10 5 11 5 mm,♀13 14 mm. Width of shoulders: ♂2 0 2 5 mm, ♀3 0 3 5 mm. Length of hind femur: ♂4 5 mm, ♀5 0 5 5 mm. Holotype ♂, Yunnan: Mengyang (22°1′N,101°E; 850 m), 4.Ⅴ.1957,collected by WANG Shu Yong; paratypes 2 ♂♂, 3 ♀♀, Yunnan: Mengyang, Ⅲ Ⅴ. 1957. WANG Shu Yong and ZHANG Ling Zhou; 2 ♂♂, Yunnan: Bubang, 15. Ⅸ. 1993, YANG Long Long; 3 ♀♀, Yunnan: Menglun, Ⅳ. 1994, collected by YANG Long Long.3 Systolederus orthonotus sp.nov. (Figs.10 11) This new species is allied to Systolederus guangxiensis Zheng, but differs from the latter in: 1) in profile, the upper margin of prionotum straight; 2) without a pair of short longitudinal keels between the shoulders; 3) humeral angle obtuse angular; 4) the width of mid femur larger than the width of elytra about 1 5 times; 5) lower margin of mid femur undulate. Length of body: ♂ 9 5 10 0 mm, ♀9 5 11 5 mm. Length of pronotum: ♂8 5 9 0 mm, ♀ 8 5 10 5 mm. Width of shoulders: ♂ 2 mm, ♀ 2 0 2 5 mm. Length of hind femur: ♂ 4 mm, ♀ 4 5 5 5 mm. Holotype ♂, paratype ♀, Yunnan: Mengyang (22°1′N,101°E;810 m),31.Ⅲ.1957,PU Fu Ji; paratype ♀, Yunnan: Jinghong, 30.Ⅳ.1957,collected by D. Bonfelov.4 Mazarredia curvimarginia sp.nov. (Figs.12 13) This new species is related to Mazarredia annamensis Günther, but differs in: 1) width of vertex narrower than the width of an eye about 1 33 times; 2) antennae inserted between the lower margins of eyes; 3) lateral keels distinctly convergent backward; 4) with a pair of short longitudinal ridge between the shoulders; 5) upper and lower margins of anterior and middle femora undulant; 6) width of mid femur larger than the width of anterior femur about 1 47 times. Length of body: ♂ 12 mm; length of pronotum: ♂ 11 mm; width of shoulders: ♂ 2 mm; length of hind femur: ♂ 4 5 mm. Holotype ♂, Yunnan: Menglun(22°N,101°2′E;580 m), 8.Ⅸ. 1993; collected by YANG Long Long.5 Orthotettoides gen.nov. Size small, long and slender. Head slightly exserted. Vertex not produced beyond the eyes, without median carina, lateral margins raised and lobe like, its width larger than an eye, frontal costal arcuate produced between the antennae, longitudinal sulca wide. Antennae filiform, very thin and long, inserted just below the eyes. Lateral ocelli placed nearly between the lower third of the eyes. Anterior margin of pronotum straight, separate