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黑尾叶蝉的天敌种类颇多,其卵、若虫和成虫均有许多天敌,对抑制黑尾叶蝉的发生量有一定的作用。据我们初步调查,属于昆虫和蜘蛛类的,主要有以下几种:1.卵寄生蜂:黑尾叶蝉卵寄生蜂有褐腰赤眼蜂、黑尾叶蝉赤眼蜂、黑尾叶蝉缨小蜂和黑尾叶蝉大角啮小蜂等四种。田间查到以褐腰赤眼蜂寄生率最高,黑尾叶蝉缨小蜂次之,其余两种较少见到。
There are many kinds of natural enemies of the black-tailed leafhopper, its eggs, nymphs and adults have many natural enemies, inhibit the occurrence of black-tailed leafhopper has a certain role. According to our preliminary investigation, belong to insects and arachnids, mainly in the following categories: 1. Egg parasitic wasp: black-leaf leafhopper egg parasitic was brown trichogramma, black tail leafhopper Trichogramma, Four small wasps and black tail leafhopper large angle bee-eater. Found in the field to Trichogramma beetle the highest parasitic rate, black tail leafhopper tassel followed, the other two less seen.