云南省蚱总科昆虫及区系组成

截至目前,云南省记载蚱总科昆虫有6科38属206种,是我国蚱类分布最多的地区.区系分析结果表明,东洋种有154种,为总种数的74.8%;古北种有1种,占总数的0.5%;跨东洋区和古北区两界分布的有12种,占约5.8%;云南特有种39种,占18.9%.云南蚱类昆虫区系组成相对简单,东洋种占绝对优势,极少数为古北种,还有少部分的广布种,特有种偏少.在云南中低海拔地带(1 000~2 000 m),蚱总科种类最为丰富.就分布区域来看,在横断山和西双版纳地区蚱类昆虫及其特有种相对富集.

Tetrigoidea Insects and Fauna Composition in Yunnan Province

It was reported that the fauna compositions and distribution of Tetrigoidea in Yunnan Province has a total of 206 species belong to 6 families and 38 genera, which is up to now the biggest distributed area of Tetrigoidea in China. The result of fauna analysis showed that the fauna compositions include 154 oriental species, 1 Pala arctic species, 12 species across Oriental and Pala arctic region, respectively accounted for 74. 8% , 5.8% and 0.5% of the total species. Besides, there are 39 endemic species of Yunnan, they accounted for 18.9% of the total number of species. This study show that the fauna compositions in Yunnan Province is relatively simple, in which the oriental species was prevail, and the number of endemic species were less relatively. The distribution of tetrigrasshoppers species collected in areas of 1000 -2000m elevation in Yunnan was the richest. In the Hengduanshan Mountain area and Xishuangbanna of Yunnan, Tetrigoidea insect and their endemic species were more abundant.