金色蝗属的分类研究及一新种记述(直翅目:剑角蝗科)

A review of the genus Chrysacris Zheng(Orthoptera:Acridoidea) with the description of one new species

本文记述采自内蒙古贺兰山地区金色蝗属Chrysacris1新种,即白纹金色蝗Chrysacris albonemus Zheng,Zhanget Zeng sp.nov.该新种近似于山间金色蝗Chrysacris montanis Zhanget Zheng,1993,主要区别为:1)头顶及头部背面具中隆线;2)前胸背板沟前区长为沟后区长的1.6～1.8倍;3)前翅前缘脉域宽为中脉域宽的1.5～2倍。附有金色蝗属分种检索表。模式标本保存于陕西师范大学动物研究所昆虫标本室。

This paper reports one new species of the genus Chrysacris from Helan Mountain,namely Chrysacris albonemus Zheng,Zhang et Zeng sp. nov. The new species is allied to Chrysacris montanis Zhang et Zheng,1993,but differs in：1） with a median keel in vertex and back of head; 2） length of prozona 1.6-1.8 times that of metazona; 3） width of costal area of tegmina 1.5-2 times that of medial area. Type specimens are deposited in the Institute of Zoology,Shaanxi Normal University.