Stomach poisoning stomach poison should have the conditions: There are many insect stomach poison to make digestive enzymes biodegradable, non-toxic Zhoukou 3% acetamiprid EC, as armyworm larvae decomposed fatty pyrethroid pesticides, and organic phosphorus Pharmacy is possible to suppress the effect increases stomach digestive enzymes. Ideal stomach poison should be small molecular weight, solubility, dissociation is small. Taste the role of insects in Zhejiang strong 3% acetamiprid EC, the agent if the content is too high in the food Xinxiang 3% acetamiprid EC, will immediately produce antifeedant. Therefore, the determination of pesticides stomach poison bait trap insects and preparation, reagent concentration is not too high. Insect probation is very sensitive to chemicals, but according to the probation of chemical species differ.