Pavement ants are... you guessed it, the ones you generally see on your pavement at home or your office. The don’t get much bigger than about ¼-inch long and are light brown to black. The appendages will probably be lighter in color than the body. Typically, they live underground but will also nest under mulch, floors or insulation. we find that these ants are docile, but if you stir them up, they do sting.