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Carpenter Ant



Carpenter Ant

Pest Stats


Usually red, black or a combination




Segmented; oval






Throughout U.S., most common in the North


Carpenter ants are social insects and very active at night. They can forage alone for food or in groups. Carpenter ants feed on protein and carbohydrates such as sugars and meat and will also collect and consume dead insects and some live insects. Carpenter ants are attracted to wood that is moist and weakened by fungi. Although they first invade weakened moist wood, they may cross over into dry undamaged wood. Carpenter ants can enter structures through cracks and crevices, window or door moldings, wires, shrubs, tree limbs or plumbing.


Carpenter ants build nets outdoors in various moist environments with high humidity. Once the main colony is mature and established, they can build satellite nests. Eggs are mainly housed in the main nest that is more sensitive to humidity, satellite nests are not constructed with attention to humidity. Exterior locations for their nests can include landscaping, firewood, rotting trees, tree stumps, and debris. They require a water source to survive.


Carpenter ants can cause extensive physical damage to wood through their nest building. If they enter a structure, they pose a property threat. In addition, if they feel threatened they can bite. They bite can be quite painful and they can inject formic acid which intensified the pain. This is the same acid found in bee stings. The size of the bite can create a blemish on the skin be the size of a pea. It causes inflammation to the skin with a raised blemish. Symptoms include pain, itching, swelling, and redness. Allergic reactions should require immediate medical attention.

Carpenter Ant Prevention

If you suspect a carpenter ant infestation, call A-1 Bonded Termite, Inc. for a free inspection* immediately. This is the safest and most effective way to get rid of carpenter ants. Your inspector will make recommendations to eliminate the infestation and make suggestions on how to correct conditions that may be conducive to re-infestations.

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