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由于害虫抗药性的发展和农药对环境的污染,生物防治日益为全世界所重视。其中以虫治虫、以菌治虫和以其它有益动物治虫等儿个方面,近年来,在我国都做了不少工作。就以虫治虫所用天敌的来源而言,可分两大类。一是引进外来天敌防治外来害虫,二是采取各种有效措施,发挥当地天敌的治虫作用。至于养益虫治害虫,仅是其中一种
Due to the development of pest resistance and the pollution of pesticides to the environment, biological control is increasingly valued by the whole world. Among them, pest control, pest control and other beneficial animal pest control and other aspects, in recent years, have done a lot of work in our country. In terms of the source of pest control pests used, can be divided into two categories. First, the introduction of foreign natural enemies to control exotic pests, the second is to take a variety of effective measures to play a role of local natural enemies of pest control. As for the benefits of insect pest control, just one of them