Common reasons that cause an ant colony can re-emerge

Tim Husen

Syngenta

Getting an ant infestation under control can be quite the endeavor. These resilient pests won’t go down without a fight, often resulting in callbacks and costly re-treatments. Even after taking the proper steps to identify the ant species, inspecting the structure and applying the bait application directly to the source, there is still a chance the colony can re-emerge.

Here are two common reasons for why this might be happening:

1. Inadequate bait volume. Applying enough bait is vital to allow the product to spread throughout the colony. This can be achieved by making more extensive bait placements — individual spots or lines — and applying more placements throughout foraging ant trails.

2. Bait rejection. This phenomenon reflects the colony’s dietary needs and food preferences. During certain times of the year, ant colonies may favor foods higher in carbohydrates (higher numbers of foraging adult workers, for example) or protein (for brood formation). This can be combated by using a bait formulation or product best suited to the colony’s needs to promote acceptance and improve resistance management.

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from Pest Management Professional https://www.mypmp.net/2025/01/29/common-reasons-that-cause-an-ant-colony-can-re-emerge/
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