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尽管化学防制存在种种问题,但使用杀虫剂仍是本市蚊虫防制中的主要武器,50年代使用的主要品种是二二三、六六六,60年主要是用敌敌畏、敌百虫。1976年由于对代环境污染和害虫抗药性问题本市开始禁用二二三和六六六,敌敌畏、敌百虫成为最主要的卫生杀虫剂品种,前者年用量在200吨以上,后者在70～100吨之间,常年大量使用,对害虫药效明显下降。据1979年抗性监测淡色库蚊幼虫对敌百虫,在川沙地区为27.84倍,闸北、普陀均在70倍以上,川沙、上海二县的中华按蚊成蚊对二二三已超出WHO所制定的高抗性标准范围。
Although there are various problems in chemical control, the use of insecticides is still the main weapon in mosquito control in the city. The main varieties used in the 1950s were 2363 and 666, mainly using dichlorvos, trichlorfon . In 1976, due to the generation of environmental pollution and pest resistance, the Municipality started banning 2,363 and 666, and dichlorvos and trichlorfon became the main types of sanitation insecticides. The former used more than 200 tons of pesticides annually, the latter at 70 to 100 tons, perennial use in large quantities, significantly reduced the efficacy of pests. According to the resistance monitoring in 1979, Culex pipiens pallens larvae on Trichlorfon were 27.84 times in Chuansha area and 70 times more in Zhabei and Putuo. The mosquitoes of Anopheles sinensis in Chuansha and Shanghai counties had exceeded WHO has developed a range of high resistance standards.