Wesson D M
Department of Biological Sciences, University of Notre Dame, IN 46556.
J Am Mosq Control Assoc. 1990 Jun;6(2):258-64.
Larvae of 26 strains of Aedes albopictus were tested for susceptibility to 5 organophosphate insecticides. The recently collected geographic strains included 13 from the USA, 5 from Brazil, 3 from Southeast Asia and 5 from Japan. The greatest amount of variability was seen among U.S. populations, ranging from quite susceptible to potentially resistant. Brazilian samples were generally quite susceptible to all insecticides tested. Three Japanese strains showed tolerance or low level resistance to fenitrothion (2X, 3X and 8X), as did 2 U.S. strains (3X and 5X). Two U.S. strains showed tolerance to malathion (3X and 4X), while one strain from Chicago, Illinois, showed low level resistance (22X). Selection for resistance to malathion in a laboratory strain composed of multiple U.S. geographic strains resulted in a resistance ratio of 21X after 6 generations of selection.
对26株白纹伊蚊幼虫进行了5种有机磷杀虫剂的敏感性测试。最近收集的地理株包括来自美国的13株、来自巴西的5株、来自东南亚的3株和来自日本的5株。美国种群之间的变异性最大,从非常敏感到潜在抗性不等。巴西样本对所有测试杀虫剂通常都非常敏感。3株日本株对杀螟硫磷表现出耐受性或低水平抗性(2倍、3倍和8倍),2株美国株(3倍和5倍)也是如此。2株美国株对马拉硫磷表现出耐受性(3倍和4倍),而来自伊利诺伊州芝加哥的1株表现出低水平抗性(22倍)。在由多个美国地理株组成的实验室株中对马拉硫磷进行抗性选择,经过6代选择后,抗性比达到21倍。