西双版纳热带雨林蚁科昆虫区系分析

在西双版纳热带雨林已鉴定蚊科昆虫９亚科７６属２６７种。西双版纳地区的蚂蚁区系以热带至亚热带分布的东洋界成分最为丰富。在属级水平上，与马来西亚界关系最为密切。与澳洲界关系较密切；与非洲界和马拉加西界的关系知中。与新北界，新热带界和古北界的关系最为疏远。可见西双版纳的蚂蚁区系具有典型的热带亚洲起源特征，同时与澳洲和非洲的热带区系有一定的渊源关系。

AN ANALYSIS ON THE ANT FAUNA OF THE TROPICAL RAIN FOREST IN XISHUANGBANNA OF CHINA

species belonging to 76 genera and 9 subfamilies of Formicidae are identified in the tropical rain forest of Xishuangbanna.The ant fauna of Xishuangbanna District is predominant in Oriental components distributed from tropics to subtropics.At genus level,the fauna is the closest to Indo Australian,closer to Australasian,moderately related to Afrotropical and Malagasy,the farthest to Nearctic,Neotropical,and Palaearctic.It is obvious that the ant fauna of Xishuangbanna has a typical character of Asia Tropics origin,meantime it has certain origin relationship with Australia Tropics and Africa Tropics.At species level,the fauna of Xishuangbanna is predominant in Oriental ones,the closest to Indo Australian,closer to Australasian,farther to Palaearctic,and the farthest to Neotropical and Malagasy regions.The ant fauna of Xishuangbanna has its own characters,it is the closest to that of India and Burma,farther to that of Indo China Peninsula;close to the fauna of Southern China,but farther to the fauna of Southwestern and Central China;meanwhile the fauna includes a considerable number of endemic species.