How to Kill Carpenter Ants

Learn how to kill carpenter ants. These ants are known to produce considerable damage to wood particularly to the wooden parts of our house much more than what subterranean termites can do such that they should be exterminated. Carpenter ants don’t eat wood but scrapes through the wood to build their nest.  This action is … Read more

Learn how to kill carpenter ants. These ants are known to produce considerable damage to wood particularly to the wooden parts of our house much more than what subterranean termites can do such that they should be exterminated.

Carpenter ants don’t eat wood but scrapes through the wood to build their nest.  This action is unacceptable because it weakens the structure support or the house structure. This is another good reason to eliminate these house pests.

Non-repellent dust

One effective and fairly safe way of how to kill carpenter ants is with the use of a non-repellent dust known as Timbor and Nibor. The dust is reliable but does not instantly kill the carpenter ants.

The dust should be scattered in areas where carpenter ants traverse such that the pests are made to crawl right through the dust without noticing the dust. The ants will die within a 7 to 14 day-period after being exposed.

Nibor can be mixed with water to form a mixture which can be sprayed like a liquid pesticide on the trail surface. A thin film of Nibor is left on the sprayed surface after the water content of the mixture evaporates.

Commercial ant baits

Ant Baits
Here are examples of commercial ant baits.

Outdoor carpenter ants should also be exterminated since these ants may migrate to the indoor side of your residence and cause great damage to wooden structures as well. Outdoor carpenter ants can be reliably taken care off with the use of ant bait.

Commercial baits are available and only small quantities of this bait should be used initially. Only when the bait has been spotted by the ants should you use a larger effective quantity for killing tens of thousands of ants which is usually the number of ants in each colony.

A non-repellent chemical which contains Fipronyl can be a replacement if the ants are not into the bait. This chemical should be sprayed in an outer perimeter one foot away from the structure or home building foundation wall and will provide considerable loss to the ants and the colony due to its domino effect. Commercially available indoor ant baits in the form of gel are also effective in killing indoor carpenter ants while being safe. This kind of bait can be easily applied into wall voids through switch plates in areas that are not visible such as attics, under carpet areas, voids, and cabinet corners.

Do not use chemical pesticides

One thing you have to avoid when killing carpenter ants is the use of chemical pesticide sprays.Although they are very repellent to the ants, the chemical content of the sprays provides an early warning that they are about to be wiped out. The warning gives the carpenter ants the chance to avoid the sprays or just travel or move around it. These are a few ways on how to kill carpenter ants.


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