Resistance of Musca domestica to commonly used insecticides in Shijiazhuang City
Objective To investigate the resistance of Musca domestica to commonly used insecticides in Shijiazhuang City,and to provide the basis for scientific application of insecticides.Methods Topical application was employed for the insecticide resistance test.Results The LD50 s of azamethiphos,permethrin,bifenthrin and lambda-cyhalothrin were 0.383 5,0.329 7,0.178 6 and 0.0436 μg/♀ respectively,showing 31.69,38.34,3.78 and 14.06 folds resistance developed by M.domestica adults to the four insecticides tested.Conclusion It is necessary to continuously monitor the resistance of M.domestica and select insecticides with low resistance based on environmental management.
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