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KMID : 1171820050200030044
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Journal of Environmental and Sanitary Engineering
2005 Volume.20 No. 3 p.44 ~ p.50
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Studies on the Susceptibility of Insecticides and Killing Effect by Thermal Fogging Against Culex pipiens pallens of Ansan Strain
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Choi Han-Young
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Abstract
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Studies on the insecticides susceptibility of adults females Culex pipiens pallens were carried out in 2003. The pupae were emerged originated wild-caught larvae in Ansan city, Korea. The test methods employed, using 7 organophosphorous insecticides, four synthetic pyrethroides, and fipronil penyrazole were evaluated. The following results were obtained 1. Fipronil has showed the most strong value in LD_(50) 0.00075㎍/female, out of 12 kind of insecticides, and followed by deltamethrin 0.0071, δ-cyhalothrin 0.008, profenofos 0.0082 and β-cyfluthrin 0.0088, respectively. 2. The killing effect of lambdacyhalothrin and profenophos against adult females Culex pipiens pallens was examined using thermal fogging. The mortality rate were lambdacyhalothrin 41.1% and profenophos 50.7%, respectively. The killing effect of thermal fogging was highly effectiveness to distance 6m from nozzle.
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KEYWORD
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Susceptibility, Insecticides, Culex pipiens pallens, Thermal Fogging
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