Look for piles of sawdust-like borings outside their galleries and slit-like openings in woodwork.Notice if there are swarms of winged ants trying to escape to the outdoors, usually in the spring.(Note: ants are most active after sunset.) For example, there may be a trail communicating with a parent colony outside. Pay attention to foraging ants and the patterns of their movement.Look for a high concentration of ants in a particular area like under the kitchen sink. Figure out if there is actually an infestation of carpenter ants or if it is just individual ants wandering in the house.Completely inspect areas of high moisture, wood in contact with the soil, areas where ventilation is poor, and exposed structural lumber.wooden structures attached to houses (like porches and sheds).points where tree branches or other vegetation come in contact with the house.They can even be found behind books in libraries, behind drawers in dressers and cabinets, and in styrofoam insulation.Ĭarpenter ants get into houses by several ways:
As well as tunnelling in the trim of buildings, wooden steps, and window sills, ant colonies can nest in houses without attacking structural timbers, using hollow spaces like wall voids, attic spaces, and hollow doors. Indoors, because they prefer moist, decaying wood, carpenter ants can signal a moisture problem, or wooden structures that are decaying. They can sometimes mine sound wood, but they usually choose a soft type, like pine. Outdoors, carpenter ants are found in dead trunks of standing trees, stumps, or logs, or under fallen logs and stones.
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