摘要
记述采自青海省网翅蝗科牧草蝗属 2新种 ,即平安牧草蝗Omocestuspinanensissp .nov .及青海湖牧草蝗Omocestusqinghaihuensissp .nov .,模式标本保存于陕西师范大学动物研究所。
In the present paper,two new species of Omocestus Bolivar from Qinghai Province are described.Type specimens are deposited in the Institute of Zoology,Shaanxi Normal University.1 Omocestus pinanensis sp. nov.\ (Figs.1\|4) This new species is allied to Omocestus minutus Brullé,but differs from:1)♀,frontal ridge with longitudinal furrow through the whole length;2)Sc reaching four fifths of the elytra;3)width of medial area larger than the width of cubital area about 2 times;4)♀,cubital area without intercalary vein;5)ventral valves of the ovipositor abruptly narrowed into the apices.\;♀.Length of body 17.0-17\^2*!mm,length of pronotum 3.0-3\^5*!mm,length of elytra 9.0\|9.3*!mm,length of hind femur 9.0\|9.4*!mm. Holotype ♀,paratype 1♀,Pingan,Qinghai(36°2′N,102°3′E,2*!100*!m),1 Ang.1998,collected by XIE Ling\|De.2 Omocestus qinghaihuensis sp. nov.\ (Figs.5\|9)\;This new species is allied to Omocestus femoralia Bolivar,but differs from:1)seen from above,length of eye larger than the width of vertex about 1.3 times;2)length of middle segments of antenna larger than its width about 2 times;3)length of metazona larger than the length of prozona 1.5 times;4)length of elytra larger than its width about 4.6 times;5)width of medial area of elytra larger than the width of cubital area about 1.6 times. ♀.Length of body 11.0-12.5*!mm,length of pronotum 2.5-3.0*!mm,length of elytra 6.5\|7.0*!mm,length of hind femur 8*!mm. Holotype ♀,paratype 1♀,Qinghaihu,Qinghai(36°3′N,100°1′E),July 1996,collected by XIE Ling\|De.
出处
《动物分类学报》
CSCD
北大核心
2001年第4期507-510,共4页
Acta Zootaxonomica Sinica
关键词
直翅目
网翅蝗科
牧草蝗属
新种
Orthoptera,Arcypteridae,Omocestus,new species.
