中国雏蝗属二新种记述(直翅目:网翅蝗科)

Two new species of the genus Chorthippus Fieber(Orthoptera:Acrypteridae) from China

记述雏蝗属二新种,即额尔古纳雏蝗Chorthippus ergunaensis sp.nov.及宽前域雏蝗Chorthippus amplicosta sp.nov..额尔古纳雏蝗近似于曲脉雏蝗Chorthippus flaxivanus Liu,1981及红胫雏蝗Chorthippus rufitibisZheng,1989,其区别于二者为:1)前缘脉域宽为亚前缘脉域宽的2.5倍;2)中脉域与肘脉域等宽;3)后足胫节褐色;4)腹端部红色.宽前域雏蝗近似于黄腹雏蝗Chorthippus flavabdomenLiu,1981,主要区别为:1)雄性头侧窝长为宽的3.0倍;2)中胸腹板侧叶间中隔最狭处宽为长的2.0倍;3)前缘脉域宽为亚前缘脉域宽的3.0-4.5倍;4)中脉域为肘脉域宽的4.0-6.0倍,为前缘脉域宽的1.5倍,为径脉域宽的1.5倍;5)雌性前翅到达后足股节2/3处;6)雌性中脉域为肘脉域宽的3.0倍.模式标本保存于陕西师范大学动物研究所昆虫标本室.

Two new species of the genus Chorthippus Fieber. Chorthippus ergunaensis sp. nov. and Chorthippus amplicosta sp. nov. were described. Type specimens were deposited in the Institute of Zoology, Shaanxi Normal University.