金华市区蝇类数量的季节消长

Season Variety of Fly Density in Jinhua City Area

目的 :对金华市区的蝇类密度进行分析和研究。方法 :笼捕法。结果 :金华市区高密度的蝇类有大头金蝇、市蝇、丝光绿蝇和铜绿蝇。数量的季节消长呈双峰型 ,1999年高峰出现在 5和 8月。结论 :园林蝇类密度高于菜场、饮食店 。

In this paper, regular catching method is employed to observe and analyze season variety of fly density in Jinhua city area from June to November 1998 and from March to November 1999. It was found out that flies of high density in Jinhua city area were C.megacephala, M.sorbens, L.seriata and L.cuprina. The season varieties of fly number had two peaks. The peaks of fly density in 1999 were in May and August. In two habitations, the density of flies in garden habitation was higher than other. The densities of fly in two investigating places were different.