广东省某市特殊场所家蝇抗药性调查及防制策略

摘要/Abstract

摘要：

目的了解广东省垃圾填埋厂、肉联厂等特殊场所家蝇对4种常用杀虫剂的抗性现状。方法在野外孳生地采集家蝇幼虫,通过点滴法测定家蝇对氯菊酯、溴氰菊酯、高效氯氰菊酯、敌敌畏等常用杀虫剂的半数致死量,实验数据用机值法统计分析。结果垃圾填埋场家蝇对氯菊酯、溴氰菊酯、高效氯氰菊酯、敌敌畏的LD₅₀分别为13.7179、3.5971、5.5982和0.7704 μg/虫,肉联厂分别为1.0999、0.7278、8.3314和0.5322 μg/虫,抗性系数为58～2525倍,比1996年增高了1～103倍,比1991年增高了2～1383倍,抗性水平均已达高抗以上,垃圾填埋场对氯菊酯、溴氰菊酯和DDVP的抗性水平都高于肉联厂。结论广东省特殊场所的家蝇对部分杀虫剂产生了高抗性,对拟除虫菊酯类的抗性增长很快;垃圾填埋场、肉联厂等特殊场所的家蝇防制应实行综合管理策略,科学用药。

关键词: 家蝇, 抗药性, 点滴法, 防制策略

Abstract:

Objective To investigate the resistance levels of Musca domestica to four commonly used insecticides in the special places such as landfill and meat processing plant in Guangdong province, China. Methods M. domestica larvae were collected in the wild breeding habitats, and topical application was used to determine the median lethal doses (LD₅₀) of permethrin, deltamethrin, beta-cypermethrin, and DDVP for M. domestica. The experimental data were statistically analyzed by extremum method. Results The LD50 of permethrin, deltamethrin, beta-cypermethrin, and DDVP were 13.7179, 3.5971, 5.5982, and 0.7704 μg/insect, respectively, for M. domestica in the landfill and were 1.0999, 0.7278, 8.3314, and 0.5322 μg/insect, respectively, for M. domestica in the meat processing plant. The resistance ratios were 58-2525, increased 1-103 times compared with those in 1996 and increased 2-1383 times compared with those in 1991. The resistance of M. domestica to permethrin, deltamethrin, and DDVP was higher in the landfill than in the meat processing plant. Conclusion M. domestica develops high resistance to some insecticides in the special places in Guangdong province, and the resistance to pyrethroid increases rapidly. Comprehensive management strategies and proper insecticide use should be adopted to control M. domestica in the special places such as landfill and meat processing plant.

Key words: Musca domestica, Insecticide resistance, Topical application, Management strategies

中图分类号:

段金花, 蔡松武, 阴伟雄, 刘文华, 吴军, 邹钦, 林立丰. 广东省某市特殊场所家蝇抗药性调查及防制策略[J]. 中国媒介生物学及控制杂志, 2013, 24(3): 229-231.

DUAN Jin-hua, CAI Song-wu, YIN Wei-xiong, LIU Wen-hua, WU Jun, ZOU Qin, LIN Li-feng. Study on insecticide resistance of Musca domestica and its control strategies in special places of a city in Guangdong province, China[J]. Chines Journal of Vector Biology and Control, 2013, 24(3): 229-231.

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