关键词: 蝇密度, 季节消长, 孳生环境, 气象因素, 痢疾

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.