Kills ants up to 2 months. Kills sweet & grease eating ants, pavement ants, odorous house ants and little black ants. Excluding fire ants and carpenter ants. Easy to use in cracks and crevices. reduces ant population within days. PIC liquid Ant Bait Killer is an effective method for destroying ants and their colonies. How the System Works: The ants you see are workers food providers to the queen mother and the larvae residing in the nest. The worker ants bring back the bait, the entire colony is destroyed. Satisfaction Guaranteed: PIC Corporation guarantees the effectiveness of this product to control ants when the product is used according to directions. Dependable insect and rodent control since 1953. Made in USA.