“浸螺杀”室内1mg/L浸杀钉螺48、72h的死亡率分别为73.3％和100.0％。现场1mg/L浸杀3d和5d的钉螺死亡率分别为90％和100％。室内1mg/L浸杀螺卵48、72h后第30d的孵出率为3.3％和0。能抑制钉螺活动和阻止上爬,药效稳定并具有持效作用。浸杀灭螺近期效果与五氯酚钠相仿,远期效果稍优于五氯酚钠。大面积应用效果较好。 The mortality rates of Imipenem (1 mg / L) submerged snails at 48 and 72 h were 73.3% and 100.0%, respectively. Mortality rates of snails on day 1 and day 3 were 90% and 100%, respectively. Indoor 1mg / L dip spiro eggs 48,72h after hatching rate of the first 30d was 3.3% and 0. Can inhibit snail activity and stop the climb, efficacy and stability and has a hold effect. The immediate effect of dip and kill snail is similar to sodium pentachlorophenate, the long-term effect is slightly better than sodium pentachlorophenate. Large area application effect is better.