摘要
记述在贺兰山西侧阿拉善左旗采到的网翅蝗科雏蝗属二新种 ;即阿拉善雏蝗ChorthippusalxaensisZheng ,sp .nov .及哈拉乌雏蝗ChorthippushalawuensisZheng ,sp .nov .
In the present paper,two new species of Chorthippus Fieber from Helanshan.The type specimens are deposited in the Institute of Zoology,Shaanxi Normal University. Chorthippus alxaensis Zheng,sp.nov. (Figs. 1 4) This new species resembles Chorthippus changbaishanensis Liu and Chorthippus atridorsus Jia et Liang.It differs from both in;1) frontal ridge with longitudinal furrow in the whole length;2)lateral keels of pronotum angular in prozona;3)the length of elytra larger than its width about 4.7 times;4)width of medial area wider than the width of cubital area about 1.5 times;5)width of interspace of mesosternal lobes slightly wider than its length;6)hind tibia pink brown. Length of body:♂ 12 13 mm;length of pronotum:♂ 3 0 3.5 mm;length of elytra:♂ 14 0 14.5 mm;length of hind femur:♂ 10 0 10.5 mm. Holotype ♂,paratype 1 ♂,Inner Mongolia:Alxa Zuoqi (Helanshan)(38°5′N,105°7′E),6 Ⅷ 1996,collected by YANG Yong Qi. Chorthippus halawuensis Zheng,sp.nov . (Figs. 5 7) This new species is allied to Chorthippus ruficornus Zheng and Chorthippus amplintersitus Liu.It differs from both in:1) length of metazona as long as prozona;2)dorsal side of head with two tubercles between the eyes;3)elytra reaching the top of hind femur;4)width of medial area larger than the width of cubital area about 2 times;5) length of tympanal organ longer than its width about 6 times.The new species differs from the former by the lateral keels of pronotum are in the prozona and from the latter by the minimum width of interspace of mesosternal lobes as wide as the minimum width of mesosternal lobes. Length of body:♂ 12 0 12.4 mm;length of pronotum:♂ 3.5 4.0 mm;length of elytra:♂ 9.0 9.5 mm;length of hind femur;♂7.0 7.5 mm. Holotype ♂,paratypes 2 ♂♂,Inner Mongolia:Alxa Zuoqi (Halawu,38°8′N,105°8′E),28.Ⅵ.1996,collected by YANG Yong Qi.
出处
《动物分类学报》
CSCD
2000年第2期158-161,共4页
Acta Zootaxonomica Sinica
基金
国家自然科学基金资助项目 !(编号 3 93 9180 0 )
