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一、麦蚜重寄生蜂的种类 在山东临清,寄生麦蚜茧蜂的5种寄生蜂中,以蚜虫跳小蜂Aphidencyrths aphidivorus为主,占67.3％;环腹瘿蜂Figites sp.第二位,占13.5％;黄足分盾细蜂Dendrocerus(Atritomellus)laticeps占9.6％,还有宽缘金小蜂Pachyneuron sp.,短腹柄腹金小蜂Asaphes sp.。在小麦灌浆前期以瘿蜂多见;小麦黄熟期以跳小蜂为主要种类。它们是蚜茧蜂僵蚜期的主要寄生天敌、麦蚜的重寄生蜂,是有害的。
First, the species of wheat aphids heavy parasitoid bees in Linqing, Shandong, parasitic Aphid parasitoids Aphidencyrths aphidivorus dominated the bees, accounting for 67.3%; Fig. , Accounting for 13.5%; yellow foot shield bee Dendrocerus (Atritomellus) laticeps accounted for 9.6%, there are wide-bodied golden bee Pachyneuron sp. In the early stage of wheat grouse to bees more common; yellow wheat stage to hop the main species. They are the major parasitic natural enemies of the aphid cocoon instar aphid, and the parasite aphids are harmful.