This ant is one of the most common mound ant species in the eastern half of the U.S. and southern Canada. Workers create a large mound of debris on top of the soil, expanding the size over the years as the colony grows, often growing to a diameter of several feet and 3 to 4 feet high. The workers have no stinger, but they are capable of biting and then spraying a mist of acid onto that bite wound, causing a stinging sensation to the person attacked. The workers also inject this acid into plants that surround their nest mound, often killing these plants for many feet around the nest. The colony has multiple queens and development from egg to adult ant requires about 3 months. They feed on other insects (protein) and on honeydew (carbohydrate) and other plant fluids. They very rarely enter structures.
Direct injection of contact insecticides into the mound in many places is effective, as is the application of a dust or granular contact insecticides over the top of the mound. Granular insect baits may be acceptable to the ants as well.