Extinguish PLUS Fire Ant Bait combines the fast-acting knockdown of an adulticide (Hydramethylnon) with the long-lasting control of an insect growth regulator (S-methoprene) The IGR sterilizes the queen to prevent colony rebound while the adulticide kills worker ants, ensuring complete control of fire ants It stops young colonies from developing, destroys visible and hidden colonies, and begins killing ants immediately after ingestion Approved for use on cattle and horse pastures, residential turf and landscapes, commercial nurseries, and around saplings and non-fruit bearing trees, it is suitable for both indoor and outdoor applications