2012•Zhongguo meijie shengwuxue ji kongzhi zazhiRequires access

Resistance of Anopheles sinensis to deltamerthrin in three counties of Hefei city

YE Miao-qing

Abstract

Objective To explore the current status of resistance of Anopheles sinensisto deltamethrin in three counties of Hefei city.Methods One village from each of the three counties (Feidong county, Feixi county and Changfeng county) in Hefei city was selected. Pig/cow-baited traps were used to catchAn. sinensis in July and August in 2011. Adult mosquito test kit recommended by WHO was applied for sensitivity test ofAn. sinensis.Results The knockdown rate ofAn. sinensisto 0.05% deltamethr in in Feidong, Feixi and Changfeng county was 0, 1.96% and 4.72% respectively. The adjusted mortality rate in the three counties was 4.90%, 12.23% and 20.05% respectively.Conclusion An. sinensisin the three counties of Hefei city havesignificant resistance to deltamethrin.

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Key concepts: Deltamethrin, Anopheles sinensis, Veterinary medicine, Geography, Biology, Toxicology, Anopheles, Malaria