上海市嘉定镇地区2017年蝇类种群密度及季节消长监测

Surveillance on fly density and seasonal fluctuation in Jiading area of Shanghai in 2017

目的了解嘉定镇地区2017年蝇类种群、密度及季节消长情况。方法糖醋诱饵法。结果嘉定镇地区优势蝇种为麻蝇、丝光绿蝇、厩腐蝇和亮绿蝇,分别占捕获总数的26.53%、14.52%、12.69%、10.59%。农贸市场及饭店监测到的蝇类最多,分别占捕获总数的41.10%、30.27%。蝇密度高峰期出现在7月和8月,分别为18.47和16.89只/笼。结论孳生环境的改变和综合治理措施的运用,会改变地区的优势蝇种构成;气候因素是影响蝇类种群与数量的关键。

Objective To understand the population structure,density and seasonal fluctuation of flies in Jiading area in 2017.Methods Sweet vinegar bait was used in the investigation.Results The dominant flies in Jiading area were Boettcherisca,Lucilia sericata,Muscina stabulans and Lucilia illustris,respectively accounting for 26.53%,14.52%,12.69% and 10.59%.The flies were captured mostly in farmers’ markets and restaurants,accounting for 41.10%and 30.27%.The density of flies peaked in July and August as 18.47 and 16.89 insects per trap.Conclusion The change of breeding environment and the application of comprehensive control measures will change the dominant fly species in the region.Climate is the key factor affecting the population and quantity of flies.