Carpenter bees are unique in their nesting habits. Unlike many bees that build hives from wax, carpenter bees burrow into wood to create their nests. They prefer untreated wood like cedar, pine, and redwood, making wooden structures such as decks, fences, and eaves prime targets for nesting. Female carpenter bees will excavate tunnels up to 10 inches deep, where they lay their eggs an... https://www.carpenterbeehouse.com/