Fipronil is a phenylpyrazole insecticide with a wide insecticidal spectrum. It is mainly stomach poisoning to pests, and has both contact killing and certain systemic effects. Its mechanism of action is to hinder insect γ-aminobutyric acid. Controlled chloride metabolism, so it has high insecticidal activity against important pests such as aphids, leafhoppers, planthoppers, lepidopteran larvae, flies and coleoptera, and has no phytotoxicity to crops. The agent can be applied to the soil, and can also be foliar spray. Applying to the soil can effectively control the corn root and leaf beetle, nematode and cutworm. When sprayed on the foliar surface, it has a high level of control effect on diamondback moth, cabbage butterfly, rice thrips, etc., and has a long lasting effect
