St Louis Pest Control Blog

How to Combat Carpenter Ants

Carpenter arts are a common, but unwelcome, house guest during the St. Louis spring and summer. Most of them are black and are anywhere between 3/8 of an inch to about 1 inch long. If you put one up against a small ant, the carpenter ant will look much bigger, darker, and bulkier. They can cause a great deal of damage to wooden structures like houses if allowed to build nests and infest the interior and exterior. They don’t die during the cold of winter, either—they lay dormant until spring arrives.

Carpenter Ant Habits

Carpenter ants are attracted to wood because that is where they lay their eggs and take care of their larvae. These ants don’t always live in buildings or other human structures. They prefer to build nests outside in dead or water-damaged timber, such as fallen trees, but will also live in fences, outdoor furniture, roofs, and in houses, where there is food.

Damage Caused by Carpenter Ants

These pests can cause damage to telephone poles, electrical wiring, and wooden equipment. They often leave a fine material behind after excavating wood and their nests have a smooth appearance, which is quite unlike termite nests. Carpenter ants like to nest in wooden areas that can easily be cleaned out, which includes water-damaged wood.

Prevent Carpenter Ants in Your Home

  • Be sure that there is no moisture around the wood in your house and yard. Check the wood around your chimney, soffits, windowsills, the porch, attic, wood siding, and door frames. Tightly seal all leaks in your home’s foundation and around the windows and roof. If there are dead logs or stumps in your yard, remove them, because they’re a perfect place for carpenter ant nests.
  • Keep sweets and meat tightly covered. Carpenter ants eat them and will enter your home looking for food.

If your home is already infested, hire a pest control company right away before carpenter ants destroy your house’s building materials. Carpenter ants are hard to control and a professional will have to determine how many nesting points there are in your home and the location of the parent nest before he can begin treating the problem. Don’t wait—eliminate these pests today by calling Blue Chip, St. Louis’ number one pest control company.


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