"Typically, carpenter bee holes don’t cause serious structural damage," says Ken Johnson, a horticulture educator with the University of Illinois Urbana-Champaign. "However, if the tunnels are ...

A carpenter bee is about ¾ to 1-inch long and nest in excavated tunnels in wood. “An easy way to tell the difference between carpenter bees and bumble bees is that carpenters have a bald ...