Holes made by carpenter bees
Millie W. Davenport - ©HGIC, Clemson Extension
Yes, this is carpenter bee damage.
Carpenter bees often invade wood structures in April and May. For information on life cycle, prevention and control of carpenter bees see EIIS/HS-8 Carpenter Bees (http://entweb.clemson.edu/eiis/pdfs/hs8.pdf) and http://www.clemson.edu/extension/hgic/videos_posters/videos/carpenter_bees.html.
Millie W. Davenport
Home & Garden Information Center
Page maintained by: Home & Garden Information Center
This information is supplied with the understanding that no discrimination is intended and no endorsement by the Clemson University Cooperative Extension Service is implied. All recommendations are for South Carolina conditions and may not apply to other areas. Use pesticides only according to the directions on the label. All recommendations for pesticide use are for South Carolina only and were legal at the time of publication, but the status of registration and use patterns are subject to change by action of state and federal regulatory agencies. Follow all directions, precautions and restrictions that are listed.