Appearance: Carpenter ants are among the largest ants, ranging from 1/4- to 3/8-inch long. Most carpenter ants are black, but some have reddish or yellowish coloration.

Habitat: Found both outdoors and indoors in moist, decaying or hollow wood.

Diet: Does not eat wood, but will feed on sweets, meats and other insects.

Other: Regardless of the age or type of construction, all buildings are vulnerable to infestation and damage by carpenter ants. They are very difficult to control since colonies can contain up to 50,000 workers.