摘要
本文记述了在内蒙古大兴安岭采到的雏蝗属2新种:黑背雏蝗Chorthippusatridorsus,sp.nov.和红翅雏蝗Chorthippus rufipennis,sp.nov.,模式标本保存于中山大学昆虫学研究所标本室。
Two new species of Chorthippus Fieb. from Da Hinggan Mountains, Inner Mongolia, Northeast China, are described. The type specimens are deposited in the Institute of Entomology, Zhongshan U niversity.1. Chorthippus atridorsus, sp. nov. (Figs, 1-8)This new species is related to Chorthippus longdongensis Zheng, but it differs in: (1) frontal ridge flat, without longitudinal sulcus; (2)M -area of tegmina wider, its width 5-6 times as Cu-area; (3) prozona of pronotum as long as metazona; (4) number of stridulatory pegs is 115± 5.Measurement (male, in mm): Length of body 14.7-16.4; length of pronotum 2.9-3.1;length of tegmina 13.0- 13.6; length of hind femur 8.6-9.2.Female unkown.Holotype : Ergun Left B. (Derbur). Inner Mongolia Autonomous Region, 1 0-15-Ⅶ-1990. Para types 5 : same as holotype. Collected by Jia Fenglong.2. Chorthippus rufipennis, sp. nov. (Figs 9- 14)This species resembles Chorthippus genheensis Li et Yin, but differs in: (1) frontal ridge flat, without longitudinal sulcus; (2) wings shorter, only reaching the middle of tegmina and being reddish ; (3) length of cerci of male 2.5 times its basal width ; (4) number of stridulatory pegs is 101.Measurement (male, in mm): length of body 16; length of pronotum 3.3; length of tegmina 9.4;length of hind femur 11.4.Female unkown.Holotype : Ergun Left B. (Derbur), Inner Mongolia, 12- Ⅶ - 1990. Collected by Jia Fenglong.
关键词
直翅目
网翅蝗科
雏蝗属
新种
Orthoptera, Arcypteridae, Chorthippus, taxonomy, China
