中国寄生虫学与寄生虫病杂志 ›› 2009, Vol. 27 ›› Issue (4): 18-312.

• 研究简报 • 上一篇    下一篇

淡色库蚊抗敌敌畏和抗氯氰菊酯品系的抗性演变

李士根   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-08-30 发布日期:2009-08-30

Drug Resistance Evolution of Dichlorvos-Resistant and Cypermethrin-Resistant Strains of Culex pipiens pallens

LI Shi-gen   

  • Received:1900-01-01 Revised:1900-01-01 Online:2009-08-30 Published:2009-08-30

摘要:

本研究采用敌敌畏和氯氰菊酯对淡色库蚊敏感品系进行选育,至第42代,抗敌敌畏和抗氯氰菊酯品系的抗性指数分别为亲代的12.2倍和534.3倍。选育停止后经20代常规饲养,抗敌敌畏和抗氯氰菊酯品系的抗性指数分别降至6.1倍和83.3倍。表明淡色库蚊对敌敌畏和氯氰菊酯抗性形成和下降速度均不相同。

关键词: 淡色库蚊, 抗药性, 敌敌畏, 氯氰菊酯

Abstract: Susceptible strain of Culex pipiens pallens was selected with dichlorvos and cypermethrin for 42 generations in the laboratory. At generation 42, the resistance level to dichlorvos and cypermethrin was 12.2-fold and 534.3-fold, respectively, in comparison to their parent generations. The dichlorvos-resistant and cypermethrin-resistant strains were then conventionally bred for another 20 generations, the resistance level to dichlorvos and cypermethrin decreased to 6.1-fold and 83.3-fold, respectively. The results indicated that the two resistant strains showed different development of resistance.

Key words: Culex pipiens pallens, Insecticide-resistance, Dichlorvos, Cypermethrin