What medicine is used to control moths in trees? A large area of seedlings.

When the harm of longicorn beetles is found, a syringe can be used to inject liquid medicine into the tree hole. The commonly used medicine is 20 times of 80% dichlorvos EC, and the hole is sealed after the medicine is used up.

Spraying pyrethroids and organophosphorus pesticides every 5-7 days during adult emergence, so that the liquid medicine flows to the roots along the trunk every time, or drying with 200-400 times of pyrethroids and 50- 100 times of organophosphorus pesticides.