慈巴沟国家自然保护区现知昆虫区系分析

Diversity and Faunal Analysis of Known Insect Species in Cibagou National Nature Reserve

针对慈巴沟自然保护区13目350种昆虫,分析了其在各目中的分布情况。结果表明:其主要集中于鳞翅目、双翅目和鞘翅目,分别占总种数的40.57%、15.14%和13.14%。分析其区系发现,保护区昆虫以东洋种为主体,特有种和喜马拉雅种并成。在350种昆虫中,东洋种有218种,占62.28%;古北种有12种,占3.43%;广布种有35种,占10%;喜马拉雅种有29种,占8.29%;高山种有13种,占3.71%;特有种有43种,占12.29%。其中特有成分为85种,占24.29%。该区昆虫种类及其区系典型的特征是:种类奇特而丰富,多原始古老种类,种类有多种来源,区系成分复杂,自然垂直分异明显,特有成分占比例较大。资源昆虫主要有传粉昆虫、食用/饲料昆虫、天敌昆虫、观赏昆虫、药用昆虫等类别。

The distribution for 350 species of insects belonging to 13 orders were analyzed in Cibagou National Nature Reserve of Tibet. They mainly belong to Lepidoptera （40.57%）, Diptera （ 15.14% ） and Coleoptera （ 13.14% ）. Among them there were 218 oriental species（62.28% ）, 12 palaearctic species（3.43% ）, and 35 species （ 10% ） belonging to Widespread. The characteristics of the faunal could be proposed as abundant in ancient groups or species from multiple origin, obvious vertical distribution, and higher proportion of endemic species. The beneficial insects as biological rsources can be grouped into pollination insects, edible insects, natural enemy insects, ornamental insects, medicine insects.