苏联已经研究过松毛虫的生物学防治法,用的是赤眼卵蜂等卵寄生虫。这类食虫性卵寄生益虫一般不易大量繁殖,但在人工促进和干预下,可以成为防治松毛虫的有效工具。用卵寄生虫可以防止松毛虫幼虫的危害,进行的时间应在7—8月松毛虫处于卵期的时候,一当害虫数 The Soviet Union has studied the biological control of pine caterpillars, using egg parasites such as red eye eggs. Insect parasitism insects such insects are generally not easy to multiply, but under the manual promotion and intervention can become an effective tool for the prevention and control of pine caterpillars. Egg parasites can prevent the damage of pine caterpillar larvae, the time should be in July-August when the pine caterpillars in the egg stage, a number of pests