Taste the role of insects strong drug content if the food is too high, it will immediately produce antifeedant. So Wei Luoyang 3% to insects, stomach poisoning in the determination of pesticides and formulation of 3% when bait trap insects to insects Viagra, the agent concentration should not be too high. Insect probation is very sensitive to chemicals, but according to the probation of chemical species differ. Pesticides: biopesticides. Biocides are divided into: Bacillus thuringiensis, insect viruses, plant extract three categories of Jiangsu 3% to insect prestige, with easily obtained, low-cost, long controlled, efficient, economical, safe, pollution-free, and the environment highly compatible with other characteristics, is the best choice of the current production of pesticide pollution-free green vegetable production.