山西农村蝇类幼虫的生态变化及其治理建议

ECOLOGICAL CHANGES OF FILTH FLY LARVAE AND ITS CONTROL MEASURES IN THE RURAL AREAS OF SHANXI PROVINCE

本文报告1980—1985年期间由于农村政策、经济、环境以及禽畜经营管理的改变引起山西农村蝇类幼虫生态变化的调查结果。蝇类幼虫孪生物与孪生场所由过去的集中转向为分散,采集的幼虫种类增加,一些常见种类的密度由于孪生习性与场所的改变相应地增加或减少,文末,作者根据农村蝇类幼虫生态特点提出治理建议。

Ecological changes of filth fly larvae caused by changes of rural policies, econmics, envir'cnental conditions and management of livestock and poultry in rural areas of Shanxi Province during 1980-1985 were discussed in this paper. The media and habitation of breeding fly larvae have widely dispersed, the number of larval species increased, the density of some common fly larvae increased Or dacreased according to the changes of their breeding habits and places. The authors proposed some management measures based on the ecological features of filth fly larvae in the rural areas.