Imidacloprid is a kind of high-efficiency and broad-spectrum insecticide, which has stomach toxicity and contact effect. It has a long duration of efficacy and has a good control effect on piercing sucking mouthparts pests. The drug is a new structure compound. Its action point in insects is nicotinic acetylcholinesterase receptor, which interferes with the motor nervous system of insect pests. The mechanism of action is completely different from that of traditional insecticides, so there is no cross resistance. It is mainly used to control the piercin