上海江湾湿地蚊蝇种群及蝇类消长初步调查研究

Preliminary investigation on the population of mosquito & fly and fly growth and decay trend in Shanghai Jiangwan wetland

目的掌握上海江湾湿地蚊蝇种群组成及蝇类消长情况。方法孳生地采集蚊幼法、诱蚊灯诱蚊法,网捕及诱蝇笼捕蝇法。结果发现蚊类6种,蝇类60种;蝇类消长3月始见,11月底逐渐消失,9月为其活动高峰期。结论该湿地蚊蝇种类丰富,上海地区首次采集到黄色轲蚊;大头金蝇是蝇类的优势种群。

Objective To obtain the information related to the populations of mosquitoes ＆ flies and fluctuation of the latter in Shanghai Jiang＇wan wetland. Methods Mosquitoes＇ adult collected by light-trap or larvae from breeding place and flies＇ adult by cage-trap or net. Results 6 species of mosquitoes and 60 species of flies were collected. First collection of flies is in March, it decreased and disappeared gradually in November. The peak period of flies is in September. Conclusion The population of mosquitoes and flies are abundant in Shanghai Jiangwan wetland. Coquillettidia ochracea is collected for the first time in Shanghai area; and the dominant species of flies in the wetland is Chrysomyia megacephala .