Apriona germari larvae can spray the trunk with beta-cypermethrin, and silicone is better. Be sure to spray it evenly and beat it thoroughly. The time of pesticide application is very critical, and it is best to lay eggs in the trunk just now.

You can also inject the wormhole with high concentration of the above pesticides at the same time, and then plug the wormhole with mud.

Some manufacturers of high-efficiency cypermethrin, which contains insect attractants, have better effects, generally the kind that kills underground pests.

Adult general pesticides can be used, such as emamectin benzoate series, avermectin series and pyrethroid pesticides.