Product Name: Fipronil usage method: Fipronil has a wide spectrum of insecticidal effects, including contact killing, stomach toxicity and moderate internal absorption. It can control both underground and aboveground pests. It can be used not only for stem and leaf treatment and soil treatment, but also for seed treatment. Spraying 25 ~ 50g active ingredient / HA on the leaves can effectively control potato leaf beetle, Plutella xylostella, diamondback moth, Mexican cotton boll weevil and flower thrips. Using 50 ~ 100g active ingredient / HA in paddy field can well control borers, Brown Planthopper and other pests. Spraying 6 ~ 15g active ingredient / HA on the leaves can control locust and desert locust pests in the grassland. 100 ~ 150g active ingredient / ha applied to soil can effectively control corn root and leaf beetle, golden needle beetle and ground tiger. 250 ~ 650g active ingredient / 100kg seed treatment of corn seeds can effectively control corn needle worm and ground tiger. The main control objects of this product include aphids, leaf cicadas, Lepidoptera larvae, flies, Coleoptera and other pests. It is recommended by many pesticide experts as one of the preferred varieties to replace highly toxic organophosphorus pesticides.