Question: Japanese Beetles invade my blackberry bushes. How do I kill the insect so they stop destroying my berry bushes? Answer: Abi Griffith, Horticulture Community Education Assistant Japanese beetles can be very frustrating to deal with! For detailed information about the insect’s life cycle and control, see UMaine Extension’s Pest Management Fact Sheet on Japanese read more How can I stop Japanese Beetles from destroying my blackberry bushes?