广西弄岗自然保护区蚁科昆虫区系分析

An Analysis on the Ant Fauna of Nonggang Nature Reserve in Guangxi,China

对广西弄岗自然保护区蚁科昆虫进行调查采集,共采集标本500余号,经鉴定共有6亚科,39属,93种。本文对其种类组成和区系进行分析,结果表明:切叶蚁亚科、蚁亚科、猛蚁亚科和臭蚁亚科为该地区的优势亚科;在世界蚁科昆虫区系共有18个分布型,在中国昆虫地理区共有15个分布型。弄岗蚁科昆虫区系具有典型的东洋界特征,与古北界关系最为密切;以华南区种类占优势,且与华南区、西南区、华中区和华北区4区蚁科昆虫种类的关系密切。此外,还分别与云南、湖南、四川、陕西及西北地区的蚁科昆虫区系组成,以及邻近地区其他昆虫区系进行了比较。

All the ant specimens were collected from Nonggang Nature Reserve,in total,93 species belonging to 39 genera,6subfamilies of Formicidae were taxonomically identified.The analytical result of species component shows that Myrmicinae,and Formicinae are dominant subfamilies.According to the fauna analysis,there were 18 distribution patterns in the world ant geographic fauna,and 15 distribution patterns in Chinese insects geographic fauna.The fauna in the Nature Reserve has a typical Oriental character,which is closest to those of Palaearctic region.Meanwhile,the species of South China are in the dominant position,the ant in South China,Southwest China,Central China and North China have the closest relationship with others.Furthurmore,a comparison is made with Yunnan,Hunan,Sichuan,Shaanxi Province and Northwestern China districts in ant faunal composition.