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缨小蜂(Anagrus spp.)是稻田飞虱类害虫卵的重要寄生天敌,对褐稻虱、白背稻虱、灰稻虱的卵均有较高的寄生率,对褐稻虱卵的寄生作用远远超过褐腰赤眼蜂。缨小蜂的寄生作用各地报道不一,对褐稻虱卵的寄生率幅度在10～66.9％之间。
Anagrus spp. Is an important parasitoid natural enemy of the rice planthopper eggs and has a high parasitism rate on eggs of the brown planthopper, the white back planthopper and the gray planthopper, Role far more than brown waist Trichogramma. The parasitic effects of the parasitic wasps vary from place to place and the parasitism rate of brown planthopper eggs ranges from 10 to 66.9%.