摘要: The insecticide market has long been dominated, more than 80%, by organophosphates, carbamates, and synthetic pyrethroids. consequence is the development of resistant strains to these three classes. For effective crop protection, a new class with mode action urgently required Future insecticides, as seen from retreat chlorinated hydrocarbons primary seat, are have not only high insecticidal potentials, but also low toxicity vertebrates no damage environment. Furthermore, agents expected sufficient stability under weathering conditions reduce application times for decreasing farmer population. recently developed chloronicotinyl insecticides meet requirements modem pesticides. This article describes how this was found.