一遍净是一种新型超高效内吸性硝基亚甲基类杀虫剂，其作用机理是通过昆虫烟酸乙酰胆碱酶受体发生作用，使昆虫神经麻痹后迅速死亡。为验证该药对蚜虫的防治效果，1995～1996年我们用ic％“一遍净”对菜蚜、棉蚜、麦蚜进行了试验、示范。现将结果总结如下：一、药效迅速。亩用10 Once again net is a new type of super-efficient internal absorption nitromethylene insecticide, its mechanism of action is through the insect nicotinic acetylcholine receptor role, the rapid death of insects nerve paralysis. In order to verify the control effect of aphids on aphids, we tested and demonstrated the aphids, cotton aphids and wheat aphids with ic% “one net per day ” from 1995 to 1996. Now the results are summarized as follows: First, the rapid efficacy. Mu with 10