Signs of Infestation:
Signs of a carpenter bee infestation is easily identified by holes in wood which is where they enter. There will also be sawdust on the ground where they drill their holes as well as a combination of pollen and bee excrement. Of course the most obvious sign of a carpenter bee infestation is seeing a handful of these bees lingering around. They are very important pollinators and are beneficial to agriculture, however, they can also cause a lot of structural damage. Woodpeckers eat carpenter bees so along with a carpenter bee infestation, you may also get woodpeckers drilling holes in any kind of wood.