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Carpenter Ant
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Size: Up to 5/8-inch long
Color: Varies from black, brown and
black, red and black, to light brown depending on the species.
The two most common pest
species are black in color.
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Behavior
Carpenter ants feed on a wide variety of foods, especially other insects. The
favored food of adults is the sweet honeydew produced by plant-feeding insects,
such as aphids, scales, and mealybugs. In the spring, mature colonies produce
winged reproductive ants, called swarmers, that fly out to start new colonies.
These swarms often occur from satellite colonies within homes, so homeowners
may see large flying ants in their homes at night. Carpenter ants can be very
difficult to control, so most homeowners employ the services of a professional
like National Exterminating Company.
Habitat
Carpenter ants are the most common pest ant seen in homes throughout the northern
United States. The main colony must have a constant source of moisture to
survive, so it is usually located in dead wood outside. This includes dead
limbs, tree holes, stumps, landscape timbers, and so forth. Indoors, a main
colony will have to be associated with a water leak or an overly wet, poorly
ventilated crawl space or attic.The main colony may establish satellite colonies
that are the primary source of ant activity inside homes.These satellite
colonies may be located in any suitable void (e.g., hollow doors, curtain
rods, shower rods), under attic insultation, etc.These ants set up trunk
trails between the main colony to satellite colonies and between satellite
colonies. Foraging ants can most easily be seen along these trunk trails
at night when the ants are most active. Sometimes, the trunk trails occur
beneath the ground following tree roots.
Tips for Control
Successfully controlling carpenter ants requires certain skills, knowledge
and experience. Carpenter ant control involves tracking down and treating
as many satellite colonies as possible inside and outside of the home as
well as attempting to find and treat the parent colony. Accessing the parent
colony may be difficult because it might be located high in a tree or on
a neighboring property. In such cases, your service professional may use
carpenter ant baits, but these may have varying results because of the carpenter
ants’ finicky feeding habits. If conditions on your property (such
as a large number of trees) create a high risk for reinfestation, your service
professional may recommend regular pest management services to help prevent
new infestations.
These tips will help you limit carpenter ant infestation:
- Store any firewood away from your home and remove any dead
wood or wood scraps from around the foundation.
- Trim dead limbs from trees and remove stumps. Rid your yard
of these potential nesting sites.
- Make sure that all plumbing or roof leaks are sealed, and check
crawl spaces for excess moisture.
- Water from rain gutters should be directed away from your home
and not be allowed to accumulate close to the foundation.
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