The common name of field ant probably comes from their abundance in outdoor situations. This is the largest genus of ants in America north of Mexico. Some species are commonly called thatching ants because of their habits of constructing a mound or thatch of plant material often grass. They are found throughout the United States.

Recognition

Workers are generally 1/8”-3/8” long. Their color is brown, black, reddish or a combination of these colors. Stinger absent, but will bite and spray formic acid into wound is provoked.  

Habits