【摘要】 目的　采取综合治理措施 ,提高灭蝇效果。方法　用点滴法测定家蝇对常用杀虫剂的抗性变化。结果太原市家蝇 2 0 0 3年对溴氰菊酯、敌敌畏抗性属中抗水平 ,LD50 分别为 0 .0 2 3 2、0 .1188μg/只 ;对二氯苯醚菊酯和氯氰菊酯的抗性属低抗水平 ,LD50 分别为 0 .0 0 69、0 .0 0 99μg/只 。结论　开展综合防制 ,以科学的方法合理使用杀虫剂 ,延缓抗性的发生和发展。更多还原

【Abstract】 Objective The resistance of house fly could be controlled by the integrative management strategy and the changed or mixed application of insecticides,and then effect of insecticide could be enhanced. Methods The development of insecticides resistance in flies were evaluated by the method of topical application. Results According to the data in 2003. LD 50 values of deltamethrin,permethrin,cypermethrin and DDVP were 0.023 2 , 0.006 9 , 0.009 9 , 0.118 8 ( μg/per .insect) respectively. Conclusion It was indicated that insecticides resistance in house fly could be delay by scientific application.更多还原