白纹伊蚊对3种拟除虫菊酯类杀虫剂的抗药性调查
Chinese Journal of Hygienic Insecticides of Equipments(2014)
Abstract
目的 了解广州市登革热媒介白纹伊蚊对3种常用拟除虫菊酯类杀虫剂的抗药性现状,为合理使用杀虫剂提供依据.方法 在广州市3个区采集白纹伊蚊幼虫,在实验室繁殖1~2代后,采用WHO成蚊滤纸接触法,观察蚊虫死亡率,测定其对3种拟除虫菊酯类杀虫剂的抗药性.结果 荔湾区白纹伊蚊成蚊对溴氰菊酯、高效氯氰菊酯、氯菊酯产生了抗性;天河区和从化区成蚊对氯菊酯敏感,而对溴氰菊酯、高效氯氰菊酯则具初步抗性.结论 对于此次试验中的3个区来说,在氯菊酯、高效氯氰菊酯、溴氰菊酯这3种杀虫剂中,氯菊酯的药效较好,天河区和从化区成蚊对此较为敏感,可作为目前首选使用的杀虫剂;从化区成蚊整体上来说对这3种杀虫剂的敏感性较高;天河区成蚊对于高效氯氰菊酯、溴氰菊酯抗药性强于从化区,荔湾区成蚊对于3种杀虫剂抗性最强.
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Key words
Aedes albopictus,resistance,insecticide
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