北京国家体育场周边趋光性昆虫物种多样性及优势度分析

Species diversity of phototactic insects around the National Stadium in Beijing

2005年7月20日到8月15日通过灯光诱捕对北京国家体育场周边的趋光性昆虫做了物种多样性调查,分析了其优势度。结果表明:国家体育场周边的趋光性昆虫包含10目42科112种,以鞘翅目和鳞翅目数量最大;青革土蝽和黄鞘婪步甲为优势种;在8月6日优势种和所有昆虫的总体数量出现一个高峰。

The species diversity has been investigated around the National Stadium in Beijing from July 20 th to August 15 th in 2005 through light traps. An analysis of dominance has been made. A total of 112 insect species belonging to 10 orders and 42 families were collected by the light-trap; The species numbers of Lepidoptera and Coleoptera were the highest. Among all the light-trapped insects, Macroscytus subaeneus and Harpalus pallidipennis are the most dominant species; There is a peak on August 6 for all insects together as well as for the two most dominant species.