为了配合麦蚜的防治,我们于1986—1988年对麦田麦蚜及其天敌做了系统调查,方法是定点不定株查百茎蚜及其天敌量,结合扫网查天敌,其结果如下:一、麦田天敌的种类经调查,冀中麦田天敌有20多种,分属膜翅目,鞘翅目、脉翅目、双翅目、半翅目等。膜翅目有蚜茧蜂属,密蜂等。鞘翅目有七星瓢虫、龟纹瓢虫、多异 In order to cope with the prevention and control of wheat aphid, we systematically investigated the wheat aphids and their natural enemies from 1986 to 1988 by detecting the adventitious plants and detecting their natural enemies. The results were as follows: The types of natural enemies of wheat have been investigated. There are over 20 natural enemies in the wheat fields of Hebei and Hebei Provinces, belonging to the order of Hymenoptera, Coleoptera, Venomoptera, Diptera and Hemiptera. Hymenoptera have aphid Braconidae, wasps and so on. Coleoptera have seven-star ladybug, moose ladybug, many different