汉阴县毒蛾科昆虫区系初探

经调查和查阅文献,汉阴县毒蛾科昆虫共有8属49种,其中黄毒蛾属、白毒蛾属、雪毒蛾属、盗毒蛾属等4属的种数占汉阴县总种数46.9%,是汉阴毒蛾科区系的主要组成成分和优势类群;区系组成方面,古北界7种、占全县总种数的14.0%,东洋界30种、占全县总种数61.2%,古北—东洋界分布种8种、占全县总种数16.3%,古北-新北界分布种仅3种、占全县总种数6.1%,东洋界种类是汉阴县毒蛾科区系的主要组分。

nsect Fauna Analysis of Tussock Moths in Hanyin County

There are 8 genera and 49 species of tussock moths in Hanyin County,Shaanxi Province.The species number of 4 genera of the genus Euproctis,Arctornis Leucoma,Porthesia,takes up 46.94%of the total number of species in Hanyin.It is the main composition and dominant group of the insect fauna of the family Hanyinae.In terms of fauna composition,there are 7 species of Palaeard Realm boundary,accounting for 14%of the total number of species in the whole county,30 species accounting for 61.22%of the total number of species in the Oriental Realm,8 species of Paleo-Oriental Realm boundary distribution species,accounting for 16.33%of the total number of species in the whole county.There are only 3 species in Palaearn-Neo-North Realm boundary,which account for 6.12%of the total species in the county.The species of the Oriental Realm are the main components of the fauna of the Orydae in Hanyin County.