Carpenter Bees

Biological Overview:

Carpenter Bees (Xylocopa spp.) are solitary bees known for their large size and distinctive appearance. The most common species, the Eastern Carpenter Bee, is approximately 1/2 to 1 inch in length with a black and yellow abdomen. Unlike honeybees, carpenter bees are solitary nesters, each female creating her own nest.

Harborage Areas:

Carpenter Bees nest in wood, typically choosing unpainted or weathered softwoods such as cedar, redwood, or pine. Common nesting sites include eaves, decks, wooden furniture, and structural timbers. Female carpenter bees bore perfectly round entry holes into the wood to create galleries where they lay their eggs.

Health Issues:

While carpenter bees are not aggressive and seldom sting, the presence of these bees can pose a nuisance, especially for those allergic to bee stings. The primary concern lies in the structural damage they cause rather than direct health issues.

Damage Potential:

Carpenter Bees can cause significant damage to wooden structures over time. The excavation of tunnels weakens the integrity of the wood, potentially leading to structural problems. Additionally, the accumulation of their waste, called frass, can stain surfaces and exacerbate the structural damage.