Healthy Trees, Trendy Curb Appeal: All You Need to Know About Elm Leaf Beetle Treatments
There are three ways to use insecticides to control elm leaf beetles: 1) Use soil infusion/soil injection of systemic insecticides to kill insects on the leaves; 2) Use sprays covering the leaves to directly contact and kill Larvae and adults; 3) Tie the trunk with insecticide to kill the larvae when they move.