壳牌公司已将一种新的合成拟除虫菊酯杀虫剂投放市场,这种新杀虫剂命名为Alphamethrin。商品名称为Fastact,其化学结构与二氯苯醚菊酯极为相似,只是分子中多含一个氰基。据称,Fastact有很高的生物活性,其杀虫效力比现有的拟除虫菊酯高一个数量级,不会污染环境。虽然在试验室中用高浓度试验时, Shell has put a new synthetic pyrethroid insecticide on the market, the new pesticide named Alphamethrin. Trade name Fastact, its chemical structure and permethrin are very similar, but the molecule contains a more cyano. Allegedly, Fastact has a high biological activity, its insecticidal efficacy than the existing pyrethroid an order of magnitude, does not pollute the environment. Although high concentrations in the laboratory test,