If a carpenter bee is sprayed directly with WD-40, it will die. However, WD-40 is not effective as a repellent and leaves petroleum-based residue behind that is detrimental to beneficial insects.

A female carpenter bee can chew a hole measuring up to three-quarters of an inch in diameter and 10 inches deep, Headrick said, and each hole can lead to a veritable warren of interconnected ...

Dust insecticides, such as Sevin dust, can be quite effective. In recent years, carpenter bee traps have become available and appear to be another viable method of control.

A carpenter bee on decking wood is seen in this file photo. Here’s what to do if you’re finding them tunneling into your Kentucky property this spring and summer.

Bee Trap You can purchase a carpenter bee trap—a wooden box with 1/2-inch holes with a glass bottle attached to the bottom. The trap should be hung near a spot where you see activity.

A female carpenter bee can chew a hole measuring up to three-quarters of an inch in diameter and 10 inches deep, Headrick said, and each hole can lead to a veritable warren of interconnected ...