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. Reclaim your yard and peace of mind with Amdro Fire Ant Killer Yard Treatment Granules. Use on lawns and landscaped areas and around flowers shrubs and trees. Foraging worker ants think the bait is food and carry it into the mound to feed their extensive colonies. Once the queen is fed she can no longer produce new ants. Without new ants the colony starves - and you can get back to enjoying your yard. This 5 lb. bag covers up to 10 000 sq. ft.