重庆市城口县蝴蝶种类调查及区系分析

Investigation and Fauna Analysis of Butterflies in Chengkou County of Chongqing Municipality

【目的】调查重庆市城口县的蝴蝶种类并进行区系分布研究。【方法】对重庆师范大学昆虫与分子生物学研究所馆藏的城口县蝴蝶针插标本进行鉴定整理;并于2016-2018年对城口县蝴蝶进行了较为全面的调查和采集,然后对采集到的蝴蝶成虫标本进行分类鉴定。根据已有相关文献资料和调查中采集到的蝴蝶种类分布情况,对城口县蝴蝶进行了系统的区系分析。【结果】共鉴定蝴蝶成虫标本1466头,分属于5科112属224种,其中发现重庆市新纪录种34种。区系分析结果显示:在世界动物地理区系层面上,城口县蝴蝶有57.59%的种类归属东洋区,35.27%的种类为广布种,7.14%的种类归属古北区;在中国动物地理区系层面上,城口县蝴蝶共有31种分布型。【结论】城口县蝴蝶种类资源丰富,达重庆市已有蝴蝶纪录种数的57.93%,其中蛱蝶科(Nymphalidae)的种数最多。城口县蝴蝶种类在世界动物地理区系中的归属以东洋区为主,在中国动物地理区系上以西南、华中、华北三区交叉分布表现尤为明显。

[Purposes]To understand the butterfly species diversity and faunal composition in Chengkou County of Chongqing municipality.[Methods]The insect diversity investigation was carried from 2016 to 2018,and the butterfly specimens deposited in Institute of Entomology and Molecular Biology in Chongqing Normal University were also applied her.The butterfly specimens were morphologically identified,and the species belonging to different geographical regions of China were analyzed according to the existing literature about butterfly species in Chongqing and the distribution of collected butterflies in this investigation.[Findings]A total of 1466 butterflies were identified,and they belong to 5 families,112 genera and 224 speciest including 34 newly recorded species in Chengkou County.The fauna analysis results showed that 57.59%butterfly species in Chengkou occur in the Oriental region,35.27% is cosmopolitan and 7.14%occur in the Palearctic region species in the world zoogeographic regions.These butterfly species in Chengkou have 31 distribution patterns in Chinese zoogeographic regions.[Conclusions]Butterfly species diversity in Chengkou County of Chongqing municipality is abundant,and the species number is accounted for 57.93% of the known butterfly species in Chongqing.The butterfly species in Chengkou mainly belong to Oriental region species.These species are especially common in three Chinese zoogeographic subregions,South-West subregion,Central China subregion and North China subregion.