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首页> 外文期刊>Saudi Journal of Biological Sciences >Insecticide resistance of Culex pipiens (L.) populations (Diptera: Culicidae) from Riyadh city, Saudi Arabia: Status and overcome
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Insecticide resistance of Culex pipiens (L.) populations (Diptera: Culicidae) from Riyadh city, Saudi Arabia: Status and overcome

机译：来自沙特阿拉伯利雅得市的淡色库蚊（L.）种群（双翅目：Cu科）的抗药性：现状和克服方法

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摘要

Three field populations of Cx. pipiens (L.) mosquitoes were collected from three different localities in Riyadh city. They were tested for developing resistance against commonly used insecticides to control mosquitoes in Riyadh. Two populations from Wadi Namar (WN1 and WN2) were highly resistant to deltamethrin (187.1- and 161.4-folds respectively). The field population from AL-Wadi district (AL-W) showed low resistance to lambda-cyhalothrin (3.8-folds) and moderate resistance to beta-cyfluthrin and bifenthrin (14- and 38.4-folds respectively). No resistance to fenitrothion was observed in WN1 population. Fenitrothion concentrations required to inhibit 50% of Acetylcholinesterase (AChE) activity in both WN1 population and the laboratory susceptible strain (S-LAB) were 0.073 and 0.078ppm respectively. Piperonyl butoxide suppressed resistance to pyrethroid insecticides (90%) in field populations indicating that oxidases and/or esterases play an important role in the reduction of pyrethroids toxicity. These results should be considered in the current mosquitoes control programs in Riyadh.
机译：Cx的三个野外种群。 pipiens（L.）蚊子是从利雅得市的三个不同地点收集的。他们被测试对利雅得的常用杀虫剂具有抵抗力，以控制蚊子。来自瓦迪纳玛尔的两个种群（WN1和WN2）对溴氰菊酯具有高度抗性（分别为187.1和161.4倍）。来自AL-Wadi地区（AL-W）的田间种群对λ-氟氯氰菊酯的抗药性较低（3.8倍），对β-氟氰菊酯和联苯菊酯的抗药性中等（分别为14-和38.4倍）。在WN1人群中未观察到对杀nitro硫磷的抗药性。在WN1人群和实验室易感菌株（S-LAB）中，抑制50％乙酰胆碱酯酶（AChE）活性所需的杀nitro硫磷浓度分别为0.073和0.078ppm。胡椒基丁醚可抑制田间种群对拟除虫菊酯杀虫剂的抗性（> 90％），表明氧化酶和/或酯酶在降低拟除虫菊酯的毒性中起重要作用。在利雅得当前的蚊子控制计划中应考虑这些结果。

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