中国雏蝗属二新种记述（直翅目：网翅蝗科）

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 rufitibis Zheng，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 flavabdomen Liu，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 (Orthoptera:Acrypteridae)from China

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.1 Chorthippus ergunaensis sp.nov.(Figs.1-3)This new species is allied to Chorthippus flaxivanus Liu,1981 and Chorthippus rufitibis Zheng,1989.It differs from both in: 1) width of costal area 2.5 times subcostal area;2) width of medial area equal to the width of cubital area;3) hind tibia brown;4) t...