StarbarFast-acting. long-lasting fire ant controlControls and eliminates colonies without colony relocationApproved for indoor and outdoor useStarts killing ants immediately after ingestionDestroys visible and hidden coloniesStops young colonies from developing into problem coloniesCan be used as a broadcast application or used to treat individual mounds1.5 lbs100518540 Extinguish Plus Fire Ant Bait combines the killing speed of an adulticide (Hydramethylonon) and the long-lasting control of an insect growth regulator (IGR) (S-methoprene). The IGR sterilizes the queen and prevents rebound, while the adulticide kills problem worker ants. This two-way action helps ensure complete control of fire ants. Extinguish Plus Fire Ant Bait starts killing ants immediately after ingestion.