中央防波堤ごみ処分場(第 3 夢の島)のイエバエの殺虫剤抵抗性の変遷, 1978-1986

概要

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Insecticide resistance of houseflies inhabiting the third "Yumenoshima" in Tokyo Bay was further studied. In this dumping-island the applications of a fenthion-dichlorvos mixture were replaced by the reciprocal ones of a fenitrothion-tetramethrin mixture and prothiofos since 1980. In 1978-1986 period, the resistance ratios at LD_<50> for several OP compounds were 50-131 for dichlorvos, 133-557 for fenthion, 122-3,397 for fenitrothion, 514-2,044 for diazinon and 592->1,667 for malathion. However, resistance to prothiofos was low with the ratios of 1.6-5.2 at LD_<50>. With regards to pyrethroids the resistance levels were either low or intermediate : the highest resistance ratio was 24.4 for tetramethrin, 15.4 for allethrin, 5.16 for resmethrin and 6.6 for permethrin. The results of experiments with DDT synergists (Sesamex and DMC) suggested that the kdr factor for high resistance to both pyrethroids and DDT may not be present in the third "Yumenoshima" colony.
日本衛生動物学会の論文
1988-03-15