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球形芽孢杆菌BS(Bacillus sphaericus)文献报道对蚊幼虫有较高的毒杀效果。本文经实验室试验结果表明,球形芽孢杆菌BS粉剂对淡色库蚊幼虫的半数致死浓度为0.0012ppm,以浓度10％喂养家蝇幼虫对其化蛹抑制率为38％,羽化抑制率为56％。
Bacillus sphaericus BS reported in the literature on mosquito larvae have a higher toxicity. The results of laboratory tests showed that the half lethal concentration of Bacillus subtilis BS powder to Culex pipiens pallens was 0.0012ppm, the inhibition rate of pupae to housefly larvae at concentration of 10% was 38%, and the eclosion inhibition rate was 56% .