As a plant-derived insecticide isolated from the bark of Meliaceae and Melia neem, it has stomach toxicity, contact killing and certain antifeedant effects. Function characteristics Pests can block the nerve central conduction after eating and contact with tetranellin, destroy the midgut tissue and various detoxification enzymes and respiratory metabolism, affect digestion and absorption, lose the taste function of food, and prevent the pests from growing and developing. Normal and dead. Production application 1. Prevent and control Lepidopteran pests such as Pieris rapae, Heartworm, Cabbage Armyworm, Beet Armyworm, etc. 2. Control aphids 3. Control spider mites 4. Control whitefly on kidney beans 5. Prevent and control Liriomyza on kidney beans