You may see more ants at first after placing bait stations and that is usually part of the bait working rather than a sign it failed.

When ants discover a bait they recruit nestmates and increase visible activity as workers collect and carry the toxic bait back to the nest where it will be shared and kill the colony. Use bait stations designed for the target species and place them along ant trails, near entry points, and close to where food or moisture accumulates; avoid spraying insecticide near the stations because that repels foragers and prevents transfer. Monitor stations daily for the first week and then every two to three days, noting reductions in fresh foraging and the amount of bait removed; replace empty or contaminated bait according to the product label. Be patient, because many slow-acting baits rely on delayed toxicity so transported bait reaches queens and brood and that may take several days to weeks depending on colony size and species. Keep children and pets away by using secure stations or placing them in sheltered, inaccessible spots while maintaining good sanitation so there are no alternative food sources that dilute bait uptake. If activity persists beyond three weeks or increases dramatically and you suspect a different species or reinfestation, collect photos of the ants and bait behavior and consult a pest professional who can identify the species and recommend a different bait matrix or application pattern.

Common mistakes are removing bait too soon because people think more ants means failure, and that interrupts transfer to the colony so leave stations undisturbed for at least seven to fourteen days. Another error is using spray insecticides near stations which kills or repels foragers and prevents them from sharing bait with the nest; stop sprays around bait sites and instead use targeted treatments only after identification. A third issue is assuming one bait fits all ants when different species prefer sugar, protein, or oil baits; if you see no uptake after a couple of days switch bait type and reposition stations to active trails.

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