Kill fire ants with a broadcast application of Amdro Fire Ant Killer Yard Treatment Granules. This unique insecticide formula contains an exclusive insecticide ingredient plus an insect growth regulatory IGR to provide season long control. Fire ants think the bait is food so they carry it back to the colony to share. Once the queen and other ants eat it the whole mound dies. With Amdro it s GAME OVER for fire ants. This broadcast bait treatment is the first step of the expert-recommended Two-Step Method for Fire Ant Control.