东北地区幅员辽阔,地形复杂,植被丰富,蚜虫种类繁多,许多种是农林重要害虫,每年都有不同程度的为害。自五十年代中期以来,由于长期大量使用农药,污染了环境,杀伤了天敌,破坏了生态系平衡,蚜虫日益严重。人们从实践中总结了化防的经验教训,意识到蚜虫防治必须进行综合治理,把自然界的大量宝贵天敌资源更好地利用起来,充分发挥它们在生态系中的自控作用,建立起蚜虫、天敌间的动态平衡,辅以其它措施,才能有效地控制蚜虫的危害。因此,必须摸清本地区蚜虫种类、天敌种类,蚜虫为害程度,分布和在生态系中的地位,以及蚜虫 The vast territory of Northeast China, the complex terrain, rich vegetation, a wide range of aphids, many species are important pests in agriculture and forestry, each year have varying degrees of damage. Since the mid-1950s, due to long-term heavy use of pesticides, polluting the environment, killing natural enemies, destroying ecosystem balance and aphids becoming increasingly serious. People have summed up the experience and lessons from the prevention and control of chemical defense in practice. Realizing that aphids must be comprehensively managed and controlled, a great amount of valuable natural enemy resources in nature should be better utilized and their self-control role in the ecosystem should be brought into full play to establish aphids and natural enemies Between the dynamic balance, supplemented by other measures, in order to effectively control the harm of aphids. Therefore, it is necessary to find out the species of aphids, the types of natural enemies, the degree of aphid infestations, their distribution and their status in the ecosystem, and the aphids