10%杀虫悬浮剂现场防治蚊虫的效果观察

Field experimental study of 10% suspension for mosquito-borne disease control Japanese encephalitis

目的探讨流行性乙型脑炎传播蚊媒的防治方法,为指导灭蚊提供科学依据。方法现场实验研究。结果在南通地区使用大功达10%杀虫悬浮剂进行滞留喷洒对蚊虫具有速杀作用和一定的持效。处理后1 h和24 h蚊虫密度下降率为92.7%和82%,3 d后仍能达到38.8%。结论氯氰菊酯滞留喷洒对蚊虫具有较好的防治效果。

Objective In order to discuss the control method against mosquitoes of Japanese encephalitis communication media and provide scientific basis for the guidance of anti-mosquito. Methods A field experimental study. Results By using residual spraying of 10% suspension agent to control mosquitoes in Nantong district, the results showed that the insecticide had the speed of mosquito-killing effect and certain holding effect. After disinsection for 1 hour and 24 hours, the density of mosquito declined by 92. 7% and 82% respectively, even 3 days later, it still reached 38.8%. Conclusion Cypermethrin insecticides residual spraying have good effect against mosquito.