What is effective for controlling household ants when their nests can't be found?

Utilizing liquid, gel, or granular ant baits is particularly effective for controlling household ants when their nests cannot be located. These baits contain attractants that lure ants, leading them to consume the bait and subsequently carry it back to their colony. This method targets the source of the problem by allowing the foraging ants to share the toxicant with other colony members, including the queen.

Unlike spaying directly where ants are trailing or using foggers which may not penetrate hidden nests effectively, baits demonstrate a more strategic approach. They focus on the behavioral patterns of ants, ensuring that not only the visible workers are affected but also those in the nest, leading to a more comprehensive and lasting solution to the infestation.