中国四川省牧草蝗属一新种及青海湖牧草蝗雄性的发现(直翅目,网翅蝗科)  

DESCRIPTIONS OF ONE NEW SPECIES OF OMOCESTUS BOLIVAR AND MALE OF OMOCESTUS QINGHAIHUENSIS FROM SICHUAN,CHINA (ORTHOPTERA,ARCYPTERIDAE)

作　　者：郑哲民[1] 董佳佳 白义[1,2] 许升全[1] 

机构地区：[1]陕西师范大学动物研究所,西安710062 [2]台州学院生命科学学院,台州317000

出　　处：《动物分类学报》2013年第3期538-542,共5页Acta Zootaxonomica Sinica

基　　金：supported by the National Natural Sciences Foundation of China(30670250);the Innovation Funds of Graduate Programs of Shaanxi Normal University(2012CXB019)

摘　　要：记述我国四川甘孜地区牧草蝗属1新种,褐胫牧草蝗Omocestus avellaeusitibia Zheng,Dong et Xu,sp.nov.,首次报道了青海湖牧草蝗Omocestus qinghaihuensis Zheng et Xie,2001的雄性。附有中国牧草蝗属分种检索表。新种模式标本保存于陕西师范大学动物研究所昆虫标本室。A new species of the genus Omocestus and the male of Omocestus qinghaihuensis Zheng et Xie are described in this paper. The type specimens of new species are deposited in the Institute of Zoology, Shaanxi Normal University . 1 Omocestus avellaeusitibia Zheng,Dong et Xu,sp. nov. T his new species is allied to O. nigritibialis Zheng, Huang et Zhou, 2008 and O. peliopteroides Zheng, Dong et Xu,2011. It differes from both in： 1） width of medial area of tegmina 1. 3 times of cubital area; 2） hind wing transparent apex dark brown; 3） hind tibia brown. It differs from the latter in： 1） the maximum width between lateral keels of pronotum 2. 6 times the minimum w idth between lateral keels of pronotum ; 2） tegmina just reaching the top of hind femur; 3） hind margin of the subgenital plate of female with a triangular process.Length of body ： ♂ 8. 5-8. 0 mm , ♀ 17-19 mm ; length of pronotum ： ♂ 3 mm ,♀ 4 mm ; length of tegmina： ♂ 10. 5-10. 0 mm ,♀ 11. 0-10. 5 mm ; length of hind femur： ♂ 9. 5-10. 0 mm , ♀ 11-10 mm. Holotype ♂ , Sichuan, Ganzi （ 31° 38＇ N , 99°57＇E） ,6 Sep. 2012,collected by DONG Jia-Jia and BAI Yi. Paratypes： 1 ♂ ,2 ♀♀,same data as holotype. 2 Omocestus qinghaihuensis Zheng et Xie,2001 Omocestus qinghaihuensis Zheng et Xie,2001. Acta Zootaxonomica Sinica,26 （4） ： 508-509. Male. T egmina shorter, reaching four fifth of hind femur; with a series black spots in media area and a light longitudinal stripe in costal area. Length of body ： ♂ 8. 8-9. 0 mm ; length of tegiima： ♂ 5. 8-6. 0 mm ; length of hind femur： ♂ 6. 5-7. 0 mm .

关 键 词：直翅目 网翅蝗科 牧草蝗属 新种 

分 类 号：Q969.26[生物学—昆虫学]