中国西藏地区股沟蚱属一新种(直翅目,蚱总科)  

ONE NEW SPECIES OF THE GENUS SAUSSURELLA BOLIVAR (ORTHOPTERA,TETRIGOIDEA) FROM XIZANG,CHINA

作　　者：郑哲民[1] 林立亮[1] 石福明[2] 

机构地区：[1]陕西师范大学动物研究所,西安710062 [2]河北大学生命科学学院,保定070002

出　　处：《动物分类学报》2013年第2期296-299,共4页Acta Zootaxonomica Sinica

摘　　要：记述采自西藏地区股沟蚱属1新种,西藏股沟蚱Saussurella xizangensis sp.nov.,新种近似于印度股沟蚱Saussurella indica Hancock,1912及钩角股沟蚱Saussurella decurvaBrunner von Wattenwyl,1893,其区别于两者为:1)AP/T(前胸背板前突长/前翅长)比率为2.35;2)肩部之间具1对短斜纵隆线;3)前翅卵形;4)后翅超过后突顶端部分长2mm;5)后足股节膝齿极大;6)触角黑色。新种又区别于钩角股沟蚱为雌性下生殖板后缘中齿较长超过侧齿顶端。新种亦近似长翅股沟蚱Saussurella longiptera(Yin),1984,但前胸背板前突顶端极下弯;雌性下生殖板后缘中齿较长,超过侧齿顶端相区别。附有股沟蚱属所有已知种的分种检索表。新种的模式标本保存于陝西师范大学动物研究所昆虫标本室。In the present paper, one new species of the genus Saussurella is described, i.e. S. xizangensis sp. nov. The new species is allied to S. indica Hancock, 1912 and S. decurva Br.-W., 1893, but differs from the latter two species in： 1） AP/T （the length of pronotum divided by the length of tegmina） ratio 2.35; 2） with a pair short oblique longitudinal keels between shoulders; 3） tegmen oval; 4） the part of hind wing which surpassing the top of posterior pronotal process about 2 mm; 5） genicular denticles very large; 6） antennae black. It also differs from S. decurva by the middle lobe of subgenital plate of female surpassing the lateral lobes and differs from S. longipotera （Yin） by the anterior pronotal process strongly decurved at apex; ♀, subgenital plate with median lobe elongate, its tip exceeding lateral lobes posteriorly. ♀ Length of body 12.0-12.5mm; length of pronotum 17.0-17.2mm; length of hind femur 6.0-6.5mm. Holotype ♀, Xizang, Motuo （29°2＇N, 95°5＇E）, 31 Oct. 2011, collected by ZHAO Le-Hong. Paratype 1♀, same data as holotype. Type specimens are kept in the Institute of Zoology, Shaanxi Normal University. Etymology. The specific epithet is named for the type locality.

关 键 词：直翅目 蚱总科 股沟蚱属 新种 

分 类 号：Q969.26[生物学—昆虫学]