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丽蚜小蜂(Encarsia formosaGahan)属膜翅目,蚜小蜂科。主要分布在美洲的热带和亚热带地区,专一寄生于温室白粉虱(Tri-aleurodes vaporariorum Westwood)。据文献记载,丽蚜小蜂的研究和利用已经有50多年的历史。我国于1978年从英国引进该蜂,经我们饲养观察和扩大繁殖后,分别在北京巨山农场、海淀区东升公社、河北怀来地热试验站进行了利用丽蚜小蜂防治温室白粉虱的试验,并取得了良好效果,寄生率均达80%以上。
Encarsia formosaGahan is a Hymenoptera, Aphididae. Mainly located in the tropical and subtropical Americas, parasitic in the greenhouse whitefly (Tri-aleurodes vaporariorum Westwood). According to the literature, the research and utilization of Lepidoptera bee has been more than 50 years old. China imported the bee from Britain in 1978, and after our observation and breeding, we carried out the experiment on the prevention and control of the whiteflies in the greenhouse using the aphid-larvae in Beijing Jushan Farm, Dongsheng Commune in Haidian District, and the geothermal test station in Huailai, Hebei Province , And achieved good results, the parasitism rate reached more than 80%.