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1990年春秋两季,我们在塑料大棚和田间,利用大灰食蚜蝇 Eupeodes corollae(Fabricius)和黑带食蚜蝇 Episyrphus balteatus(De Geer)幼虫防治蔬菜和菊花上蚜虫,取得了较好效果.
In the spring and autumn of 1990, we used the larvae of Eupeodes corollae (Fabricius) and Episyrphus balteatus (De Geer) to control aphids on vegetables and chrysanthemums in plastic greenhouses and fields, and achieved good results.