Abstract: This paper reported the observations on the composition and distribution of synanthropic flies and its seasonal variation from 1991 to 1993 in Hubei province. The results indicated that:the composition rate for Chrysomyia megacephala.Lucillia sericata, Musca domestica Vicina was 37.05%,32.93%、11.88% respectively.The peak periods of population density lasted from June to August.Of the five area with synanthropic flies distributed,the rubbish heap has the hightest density,then the meat processing factory,food and beverage service,food processing factory and residential area in order.The density of flies was related with meterologica condition and dysentery incidence obviously.

摘要： 笔者于1991～1993年对湖北省蝇类季节消长规律、分布和蝇种构成进行监测。结果表明,以大头金蝇、丝光绿蝇、家蝇为主要蝇种,分别占39.01%、31.95%、11.36%。蝇密度高峰期为6～8月份。5种场所蝇类分布,以垃圾堆捕获数最多,顺次为肉类联合加工厂、饮食服务业、食品加工厂、居民区。蝇密度与气象因素、痢疾发病率关系明显。

关键词: 蝇密度, 季节消长, 孳生环境, 气象因素, 痢疾