Outdoor ant problems? Raid Outdoor Liquid Ant Bait starts killing listed ants within 24 hours. Kills listed ants where they breed, including the queen and colony (excluding fire ants, carpenter ants, harvester ants and pharaoh ants). Just put down a spill-proof bait station in the corners and edges of outdoor areas, remove the seal, and attract ants to the liquid trap. Listed ants then take the bait back to the colony mound to kill ants, larvae, and the queen from the inside out. These are outdo