选用球孢白僵菌与其他5种杀虫剂对草坪夜蛾类害虫进行防治试验,药后7 d球孢白僵菌对夜蛾类幼虫的防效优于其他供试药剂;生物制剂类杀虫剂的防效优于常规杀虫剂。建议在虫口基数不大的情况下选用球孢白僵菌防治草坪夜蛾类害虫,并适时进行药剂轮换以降低抗药性风险。 Beauveria bassiana and other five kinds of insecticides were selected to control the worms of the lawn moth.After 7 days, Beauveria bassiana was superior to other test agents in the control of the larvae. Pesticides are superior to conventional pesticides in their effectiveness. It is suggested that Beauveria bassiana should be used to control the worms of the lawn moth in the case of a small population of insects and to change the medicament rotation in time to reduce the risk of drug resistance.