While it is not as aggressive as the Red Imported Fire Ant this species still aggressively defends its nests, attacking intruders in large numbers and inflicting painful stings. They are evolved from cold climates and prefer to be near wet habitats. Colonies are located under logs, in the soil, within thick grassy areas, and under other debris on the soil. A colony has multiple queens and may grow to as many as 10,000 workers. They rarely enter structures and do not tend to make noticeable soil mounds. Initiation of new colonies is primarily by “budding”, with mating / swarming flights uncommon. There is concern that these ants are displacing native ants, they interfere with the normal lives of ground nesting birds and mammals, and they cause serious interference with recreational activities by people who are stung by them.
Elimination of nesting habitat for the ants will help prevent their presence, such as removal of unnecessary materials on the soil, removal of old logs and brush, mowing grasses to keep them short, and preventing unnecessary moisture that attracts the ants. Baits with a sugar attractant seem to be acceptable to the workers. Contact insecticides, particularly non-repellents that may offer a transfer effect in the colony can be successful.