To kill ghost ants, set out a slow-acting bait that these ants can carry back to the nest to kill the queen and the rest of the colony. This requires a quality bait product. The bait should be set out for several days until no more ants are observed.
- Purchase a quality bait
Ghost ants prefer sweet tastes. Purchase bait that mimics the taste of honeydew, the ghost ant's favorite food. Alternately, protein baits are acceptable. Read the manufacturer's product specifications. Make sure the product is specifically recommended to kill ghost ants.
- Set the bait in a good location
Observe the path of the ghost ants. Set the bait along this path. Many enter through cracks in doors or around plumbing and wiring.
- Check the bait
Monitor the amount of bait consumed by the ants every few days. If the bait does not seem to decrease in size, try a different type of bait. If effective, the ants should take portions of the bait back to the nest to share with the queen and the rest of the workers. Without the bait being taken back to the nest, survivors continue to return.
- Cover areas of access
Once no more ants are observed, fill in any cracks to prevent future problems.