The powerful fire ant control solution, Extinguish® Professional Fire Ant Bait prevents new mounds from forming while eliminating existing colonies by affecting the fire ant queen's reproductive abilities with the insect growth regulator (IGR,) (S)-methoprene. Extinguish® Professional Fire Ant Bait is an ideal solution for complete long-term control, preventing fire ants mounds from moving and colonies from rebounding. Count on reduction in colony size in 3 weeks and complete elimination within 8-10 weeks Prevents mound movement and colony rebounding 1 bag treats 25 acres Affects the queen's reproductive abilities