为了进一步寻求经济有效防治松毛虫的方法,根据北方地区松毛虫幼虫均在地面越冬、出蛰后上树危害的特性和五十年代国内外采用粘虫胶治虫的启示,我们于1980～1981年进行了配制毒粘胶环防治越冬松毛虫幼虫上树的研究工作。小试验面积0.67亩,中试面积6亩,通过试验证明,这种方法防治效果良好。 In order to further seek a method of economic and effective prevention and control of pine caterpillars, according to the characteristics that the pine caterpillars in the northern area are overwintering on the ground, the damage to the trees after hooting and the enlightenment of using the armyworm in the 1950s at home and abroad, from 1980 to 1981 The preparation of toxic viscose ring prevention and treatment of winter pine caterpillar larvae on the research work. Small test area of ​​0.67 acres, 6 acres of pilot area, proved by tests that this method is a good control effect.