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目的了解台州市区致倦库蚊对6种常用杀虫剂的抗性状况。方法药液浸泡法。结果台州市区致倦库蚊自然品系对6种常用杀虫剂均存在不同程度的抗药性,抗性倍数以溴氰菊酯最高,为9.0倍,其他依次为氯菊酯、高效氯氰菊酯、敌敌畏、仲丁威、三氯杀虫酯,抗性倍数分别为6.8、5.6、4.8、2.7、1.6倍。结论台州市区蚊虫对常用杀虫剂产生了不同程度的抗性,应在环境治理基础上科学合理使用杀虫剂。
Objective To understand the resistance status of Culex quinquefasciatus to 6 common insecticides in Taizhou. Method liquid soak method. Results The natural Culex pipiens quinquefasciatus population in Taizhou City had different levels of resistance to six commonly used insecticides. The highest resistance rate was 9.0 times as high as that of deltamethrin, followed by permethrin, beta-cypermethrin, , Sec-butyl, triclosan insecticides, resistance times were 6.8,5.6,4.8,2.7,1.6 times. Conclusion The mosquitoes in Taizhou city have different degrees of resistance to commonly used insecticides. Insecticides should be scientifically and reasonably used on the basis of environmental management.