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目的观察455 mg/片右旋烯丙菊酯电热蚊香片林地防蚊效果。方法在公园的树林中选择4块试验场地,其中3块为试验区,1块为对照区。试验人员8名,分为4组,每个试验区和对照区分别2名。观察4组志愿者在电热蚊香片使用前后不同时间蚊虫的叮咬情况,计算平均保护率。结果该产品用于林地防治蚊虫,1~4 h的平均保护率分别为91.67%、98.11%、90.91%、95.96%。结论电热蚊香片在林地具有很好的防蚊效果。
Objective To observe the anti-mosquito effect of 455 mg / d-pyrrole electrothermal mosquito-repellent tablet on woodlands. Methods Four test sites were selected in the park’s forest, of which three were the experimental area and one was the control area. Eight test workers were divided into 4 groups, each of which had two test sites and one control site. Observed 4 groups of volunteers in the mosquito coils before and after use mosquito bites at different times, calculate the average protection rate. Results The products were used for forest control of mosquitoes. The average protection rates of 1 ~ 4 h were 91.67%, 98.11%, 90.91% and 95.96% respectively. Conclusion Electric mosquito-repellent tablets have good anti-mosquito effect in woodlands.