甘肃中南部原尾虫物种多样性及区系分析

在甘肃中南部设置12个样区,对该地区原尾虫的物种多样性进行了研究。发现原尾虫11种,隶属于2目6科7属。其中包括1个甘肃新记录属、4个甘肃新记录种和1个未定名种。古蚖科Eosentomidae、檗蚖科Berberentulidae为优势类群。华山蚖Huashanentulus huashanensis为广布种；檗蚖科Berberentulidae有2属3种；古蚖科Eosentomidae有3属7种,占甘肃原尾虫总数的44％；始蚖科Protentomidae有1属1种；夕蚖科Hesperentomidae有1属2种；日本蚖科Nipponentomidae有1种,中华雅娃蚖Yavanna sinensis是甘肃的新记录种；蚖科Hesperentomidae有1属2种,包括1个华山蚖属未定名种Huashanentulus sp.,只分布在临夏太子山自然保护区。对甘肃原尾虫区系进行了分析,结果显示：古北界种类占总数的20％,东洋界物种占53.3％,广布种类占总数的26.7％。

The Species Diversity and Faunistic Analysis of Proturain the Mid-southern Gansu Province

The specimens were collected from 12 different sampling areas in Gansu province . The results based on the study were summarized as follows:A total of 11 species were identified , including 1 new record genus , 4 new records species in Gansu Province and 1 unnamed species , belonging to 2 orders , 6 families and 7 genera. Eosentomidae and Berberentulidae were dominant groups in Gansu.Huashanentulus huashanensis was a widely distributed species. There were 3 species belonging to 2 genera of Berberentulidae distributed, There were 7 species belonging to 3 genera of Eosentomidae in Gansu , which accounted for 44% of the total numbers , Only one species of Protentomidae was found . There was one species of Nipponentomidae in Gansu Province , Yavanna sinensis was a new record species in Gansu Province. There were 2 species of Aceretomidae including 1 unnamed species , belonging to 1 genus , which was only distributed in