抗蚜威又叫辟蚜雾,是一种高效、速效、选择性很强的氨基甲酸脂类杀虫剂。毒性中等,选择性强,只对蚜虫(除棉蚜外)有效,对其它害虫无效。抗蚜威对蚜虫具有很强的触杀作用,在温度15℃以上时有熏蒸作用。该药具有很强的渗透性,喷在叶面的药剂能通过叶片组织杀死叶片背面的蚜虫。它具有较强的击倒作用,施药后几分钟即可见效。对捕食性蚜虫或害虫天敌如瓢虫,草蛉、蚜茧蜂等的毒性很小,施药后不会引起天敌数量大量下降,在抗蚜威药效消失后,这些天敌会继续捕食蚜虫,控制其数量上升。 50％抗蚜威可湿性粉剂可以防治麦蚜、菜蚜、烟蚜、油 Pirimicarb also known as feeding aphids fog, is an efficient, quick-acting, highly selective carbamate insecticide. Toxicity is moderate, selective, only for aphids (except cotton aphids) effective, invalid for other pests. Pirimicarb has a strong contact effect on aphids, fumigation at temperatures above 15 ℃. The drug has a strong permeability, spraying on the foliage of the agent through the leaf tissue to kill aphids on the back of leaves. It has a strong knock-down effect, a few minutes after the application can be effective. The predatory aphids or pest natural enemies such as ladybugs, weeds, aphid Braconidae toxicity is very small, after application will not cause a substantial decline in the number of natural enemies, after the disappearance of the efficacy of pirimicarb, these natural enemies will continue to prey on aphids, Control the number of its rise. 50% pirimicarb WP can prevent wheat aphid, aphid, tobacco aphid, oil