赤峰市区蝇类季节消长调查结果分析

Analysis of the investigation result on flies of its seasonal

目的 :分析赤峰市区目前的蝇种构成、构成比及季节消长情况。方法 :采用天幕式诱蝇笼 ,每旬布放一次 ,以平均每日每笼捕蝇数计算种群密度 (只 /笼 /日 )。结果 :目前赤峰市区以舍蝇、厩腐蝇、尾黑麻蝇、丝光绿蝇、巨尾阿丽蝇、伏蝇、灰种蝇、新陆原伏蝇、红尾拉蝇为常见蝇种 ,分别占捕获总数的 2 3.12 %、2 1.91%、16 .2 8%、15 .82 %、7.87%、3.5 5 %、2 .6 9%、2 .5 5 %、1.4 2 %。结论 :赤峰市区蝇密度高峰期在 5～ 9月份 ,不同种群有不同的季节高峰 。

Objective:To confirm the flies species and its co mp osition rate, so as to know the seasonal change of flies at present in ChiFeng u rban district. Method:Using the baited jug-traps under which has decayed fish es and strong-smelling preserved bean curd ensnared flies, then counted the num bers of different flies species. Results:Now the composition rate for Musca domestica, vicina, M uscina. stabulans, Bellieria melanura,Lucilia sericata, Aldrichina grahami, Phor mia regina, Hylemyia cana, Protophormia terraenovae and Ravinia. striata were 23 .12%, 21.91%, 16.28%, 15.82%,7.87%, 3.55%,2.69%,2.55%,1.42%in ChiFeng urban dist rict. Conclusion:From May to September, the fly density kept in high level. And they were different among the different flies During the Year 1998～ 2000,The composition rate of fly species were also different in different Years.