摘要
目的监测河南省开封、安阳市淡色库蚊种群对氯菊酯、溴氰菊酯、高效氯氰菊酯、仲丁威和双硫磷等常用杀虫剂的抗药性水平,分析其变化趋势,为化学防治提供科学合理的用药指导。方法于2012、2014和2016年的6-8月,在开封和安阳市区的苗圃肥水池、废弃积水池等蚊虫孳生场所采集淡色库蚊卵块,带回实验室饲养后取子1代4龄幼虫,采用国家标准敏感基线幼虫浸渍法进行抗性测定。结果 2012、2014和2016年淡色库蚊开封种群对氯菊酯的抗性从低抗发展为高抗,半数致死浓度(LC50)为0.147 5～0.523 8 mg/L,抗性倍数为5.76～20.46倍;对溴氰菊酯的抗性为高抗,LC50为0.006 2～0.011 7 mg/L,抗性倍数为31.00～58.50倍;对高效氯氰菊酯、仲丁威和双硫磷的抗性维持在敏感或低抗,LC50为0.001 6～0.513 4 mg/L,抗性倍数为0.22～7.90倍。淡色库蚊安阳种群对氯菊酯、高效氯氰菊酯、仲丁威和双硫磷的抗性维持在敏感或低抗,LC50为0.000 8～0.915 5 mg/L,抗性倍数为0.50～8.00倍;对溴氰菊酯的抗性为中抗或高抗,LC50为0.002 2～0.012 2 mg/L,抗性倍数为11.00～61.00倍。结论淡色库蚊开封及安阳种群对拟除虫菊酯类和有机磷类杀虫剂产生了不同程度的抗药性,未对氨基甲酸酯类杀虫剂产生抗性。两地在今后的蚊虫防制中,应坚持以孳生地治理为主的综合防制措施,科学有效的使用化学杀虫剂。
Objective Survey the resistance trend of Culex pipiens pallens to Permethrin, Deltamethrin, beta-Cypermethrin,Fenobucarb, and Temephos in Kaifeng and Anyang, to provide scientific guidance for chemical prevention. Methods Larvae were collected from flower gardens or abandoned pools and so on in the urban area of Kaifeng and Anyang from Juneto August in 2012, 2014, and 2016. Results The median lethal concentration(LC50) of the Kaifeng population againstPermethrin in 2012, 2014, 2016 were 0.147 5-0.523 8 mg/L, the resistance ratios were 5.76-20.46 fold; against Deltamethrinwere 0.006 2-0.011 7 mg/L, the resistance ratios were 31.00-58.50 fold; against beta-Cypermethrin, Fenobucarb andTemephos were 0.001 6-0.513 4 mg/L, the resistance ratios were 0.22-7.90 fold. The LC50 of the Anyang population againstPermethrin, beta-Cypermethrin, Fenobucarb and Temephos were 0.000 8-0.915 5 mg/L, the resistance ratios were 0.50-8.00 fold; against Deltamethrin were 0.002 2-0.012 2 mg/L, the resistance ratios were 11.00-61.00 fold. Conclusion Culex pipiens pallens in Kaifeng and Anyang showed different levels of resistance to pyrethroids and organophosphorusinsecticides, but still susceptible to carbamate insecticides. The strategy of mosquito control in Kaifeng and Anyang shouldfocus on source reduction. Chemical control should be limited, scientific and effective.
作者
赵奇
高丽君
张玉勤
高亚平
高平
王萌萌
周可会
刘吉起
ZHAO Qi;GAO Li-jun;ZHANG Yu-qin;GAO Ya-ping;GAO Ping;WANG Meng-meng;ZHOU Ke-hui;LIU Ji-qi(Henan Center for Disease Control and Prevention,Zhengzhou 450016,Henan Province,China;Kaifeng Center for Disease Control and Prevention;Anyang Center for Disease Control and Prevention)
出处
《中国媒介生物学及控制杂志》
CAS
2018年第6期648-650,共3页
Chinese Journal of Vector Biology and Control
关键词
淡色库蚊
抗药性
趋势分析
Culex pipiens pallens
Insecticide resistance
Trend analysis
