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目的了解银川铁路辖区德国小蠊对杀虫剂的敏感性和致死效果,指导科学、合理地使用杀虫剂。方法药膜接触法。结果银川铁路辖区德国小蠊对三氟氯氰菊酯抗性系数为3.01,对高效氯氰菊酯抗性系数为2.52。结论银川铁路辖区德国小蠊的化学防治须选择适当的杀虫剂。
Objective To understand the sensitivity and lethal effect of Blattella germanica to insecticides in Yinchuan railway area and to guide the scientific and rational use of insecticides. Membrane contact method. Results The resistance coefficient of cyhalothrin to cyhalothrin in Yinchuan Railway was 3.01 and the resistance coefficient to cypermethrin was 2.52. Conclusion The chemical control of Blattella germanica in Yinchuan Railway should select appropriate pesticides.