保加利亚德国小蠊和美洲大蠊对敌敌畏抗性的发展与评估
Development and evaluation of Blattella germanica and Periplaneta americana resistance to dichlorvos in Bulgaria.
作者信息
Gecheva G, Ranchov G
机构信息
National Center of Infectious and Parasitic Diseases, Sofia, Bulgaria.
出版信息
Appl Parasitol. 1994 Feb;35(1):32-5.
Seven wild populations of Blattella germanica (L.) originating from five regions and two populations Periplaneta americana (L.) from two regions of the country were tested for susceptibility to dichlorvos. A standard method recommended by WHO was used. The results obtained showed resistance in German cockroach populations from four regions with resistance index 5.3x ... 31.1x at LT50 and 6.1x ... 39.8x at LT90. Three percentage resistant nymphs of P. americana from Sofia city have been established.
对来自该国五个地区的七个德国小蠊（Blattella germanica (L.)）野生种群以及来自两个地区的两个美洲大蠊（Periplaneta americana (L.)）种群进行了敌敌畏敏感性测试。采用了世界卫生组织推荐的标准方法。所得结果表明，来自四个地区的德国小蠊种群具有抗性，在LT50时抗性指数为5.3倍……31.1倍，在LT90时为6.1倍……39.8倍。已确定来自索非亚市的美洲大蠊有3%的若虫具有抗性。
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