Ants are common throughout Colorado, and large numbers occur in the average landscape.
Most ants are beneficial in controlling pest Insects, destroying weed seeds and improving soil with their nesting habits. However, ants can cause problems when they nest in the lawn, Garden or children's playground area. Ant nests are produced underground, and colonies can contain thousands of workers. Carpenter ants are large black ants that usually construct their nests in decaying wood. Ants forage constantly during the summer months, and will chew through plant roots if their nest area is located adjacent to plants.