Carpenter ants have an ash-brown trusty-orange head and thorax, and their abdomen is black..
Size:Range from 3/16 inch to 1/2 inch in length
Behavior:Carpenter ants forage alone or along trails 300 or more feet from the nest. They enter buildings around door and window frames, through eaves, along plumbing and utility lines, and over branches touching the building. Peak foraging occurs at night. Carpenter ants can inflict a nasty pinch when disturbed.