The resistant groups of Culex pipiens pallens against DDVP have increased, so we should not use DDVP in the coming days.
结论：对敌敌畏的抗性种群已广泛产生，应限制使用。
Objective To study the efficacy, volatility and stability of internal combustion electric insect repelant on Culex pipiens pallens in lab.
目的观察内燃式电热驱虫片在室内对淡色库蚊的药效和挥发性、稳定性等特性。
Objective:To observe the larvicidal activity of the dried genetically engineered Cyanobacteria against the larvae of Culex pipiens pallens.
目的：观察干燥贮存的基因工程藻对淡色库蚊幼虫的杀灭效果。
Objective:To observe the larvicidal activity of the dried genetically engineered Cyanobacteria against the larvae of Culex pipiens pallens.
目的：观察干燥贮存的基因工程藻对淡色库蚊幼虫的杀灭效果。
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