Contains the active ingredient Fipronil, The speed of Fipronil is formulated for ants trophallaxis, which is slow enough for foraging ants to return to the colony to feed the bait to larvae and the queen so entire colony is killed. It offers broad-spectrum control on carpenter ants, argentine ants, pharaoh ants, pavement ants, honey ants, acrobat ants, odorous house ants, thief ants, big-headed ants, cornfield and field ants. Can be applied indoors and outdoors.