蚜虫对多种农作物的危害很大,尽管花费了人工和农药,仍不能根除。而蚕茧蜂繁殖后代则靠尾部刺进蚜虫的卵子,每日能产30枚,五日内蚜虫内脏被吸完而成为空壳,幼蚕茧蜂将蚜虫空壳顶咬破,为防止掉在地上,随之吐 Aphids are devastating to many crops and can not be eradicated despite the cost of labor and pesticides. The reproduction of silkworm bee propolis relies on the end of the aphid eggs pierced the tail to produce 30 a day, five days aphid offspring was exhaled and become empty shell, the young silkworm bee aphids bite the top of the shell empty, in order to prevent falling to the ground, Then vomit