应用8种杀虫剂对云杉树叶象成虫进行室内药效试验,筛选出5种有效杀虫剂,开展了田间防治试验。试验结果表明:施药48h后,绿色威雷0.125%药液、10%联苯菊酯乳油0.05%药液、45%马拉硫磷0.1%药液和4.5%的高效氯氰菊酯乳油0.1%药液,防治效果均达92%以上。 Eight kinds of insecticides were used to test the efficacy of spruce tree leaves adults. Five kinds of effective insecticides were screened and field control experiments were conducted. The results showed that: after 48h, green Weirui 0.125% liquid, 10% bifenthrin 0.05% liquid, 45% malathion 0.1% liquid and 4.5% beta-cypermethrin 0.1% liquid , The control effect reached more than 92%.