自1973年合成拟菊酯以来,因其对昆虫具有高度选择毒性而倍受亲睐,其中二氯苯醚菊酯被广泛用作蚊帐浸泡以控制疟疾,而此杀虫剂毒杀蚊幼虫的资料尚缺乏。作者在实验室配制二氯苯醚菊酯不同浓度的溶液,每次各用25条Ⅲ、Ⅳ龄幼虫作LC_(50)测试,重复3次。结果致倦库蚊(Culex Since the synthesis of the microbenthrin in 1973, it has become widely favored for its highly selective toxicity to insects, of which permethrin is widely used as a mosquito net soaking to control malaria, and this insecticide is poisonous to mosquito larvae Information is still lacking. The authors in the laboratory preparation of different concentrations of permethrin solution, each with 25 each Ⅲ, Ⅳ larvae for LC_ (50) test, repeated 3 times. Results Culex pipiens quinquefasciatus (Culex