If you've ever noticed a circular hole, or perhaps a pile of sawdust, in your wooden pergola or even the cedar siding on your house, you can be quite sure that carpenter bees are the culprit.

These large black bees hover around the outside of homes, buildings, sheds, barns, and decks. They are searching for mates and favorable sites to construct their nests.

Carpenter bees can be a serious pest, but also a valuable pollinator. While the adults are pollinators, the mated females bore into wooden structures. The results of this tunneling can be ...