陕北高原蝗虫资源调查及区系分析

Resource Investigation and Fauna Analysis of grasshoppers from North Shaanxi Plateau

经调查 ,陕北高原共计蝗虫 2总科 8科 1 4亚科 2 7属 51种 (亚种 ) ,其中对陕北地区农牧业危害严重的属有小车蝗属、星翅蝗属、负蝗属、尖翅蝗属、疣蝗属、稻蝗属等 ;对陕北高原蝗虫区系进行分析 ,结果表明 :古北种为 43种 ,占 84.31 % ;东洋种 1种 ,占 1 .96% ;广布种为 7种 ,占 1 3.73%。

A sample investigation of grasshoppers was taken f ro m North Shaanxi plateau.There were 2 superfamilies,8 families,14 subfamilies,27 genera,51species(subspecies) in the area,among the genera there were Oedal eus,Calliptamus,Atractomorpha,Epacromius,Trilophidia and Oxya Which were i mportant pest in the area.A fauna analysis to the region showed that 43 species belonging to the Palaearctic Region,occupying 84.31%;one species belonging to th e Oriental Region,occupying 1.96% and 7 cosmopolite species occupying 13.73%.All the specimens were deposited in the museum of Hebei Uniersity.