关键词: 2.5%高效氟氯氰菊酯悬浮剂, 淡色库蚊, 家蝇, 德国小蠊, 药效

Abstract: Objective To observe the efficacy of 2.5% betacyfluthrin SC against the insect pests of public health importance in lab.Methods It was conducted with the forcing-contact method according to the national test standard for insecticide registration GB139.17.1-92.Results The efficacy tests of 2.5% betacyfluthrin SC were made against Culex pipiens pallens,Musca domestica vicina and Blattella germanica in labortory.On the glass surface of all the three,the application quantity was the least,the efficacy was the best,the long-lasting efficacy was over 90 days for the three insects.Conclusion The efficacy of 2.5% betacyfluthrin SC belonged to class A according to the national standard for insecticide registration.