How to Get Rid of Carpenter Ants
Carpenter Ant Treatment Guide
There Are Multiple Treatment Method Options
Indoor Baiting and Spraying
Indoor Carpenter Ant Bait
You should place bait in areas where carpenter ant activity has been noticed. It is important to avoid purposefully putting the bait in the middle of an ant trail or on to the ants themselves. This will make the ants avoid the bait and make the baiting ineffective. Instead put the bait near ant activity or next to ant trails. To help keep ant bait fresh and off of surfaces we recommend placing the bait in the bait plate stations provided in the kit. Some examples of places where the bait can be placed are:
- In kitchen cabinets and on counter tops.
- Behind, next to, and under the stove.
- Near sinks or drains
- Around pipes, cords, and cables that come out of the wall.
- Behind and under bathroom fixtures.
- Around the medicine cabinet and vanity.
- Around window or door frames
Indoor Carpenter Ant Spray
We recommend using a non-repellent carpenter ant spray to supplement baiting. We make this recommendation for two reasons:
- There are times that ants may be more in a nesting cycle or they may already have a steady, safe food source and they will ignore baits.
- There are some places that you cannot spray such as inside food cabinets or around food prep areas, so bait would be used in those areas.
Using the included straw applicator, apply the spray directly into cracks and crevices along baseboards, under appliances, around door frames, window frames and in areas where utilities (cables, pipes, wires) enter into the structure and other areas where ants have been entering your structure.
Direct Nest Treatment
Wall Void Treatment
Foams:You can choose to purchase ready to use foam products that come with a small flexible hose and a nozzle to help apply the product to the correct areas. For larger jobs, you can choose to purchase a non-repellent concentrate spray, a foaming agent and a foaming device to apply the foam. Non-repellent foams do work a little bit slower than dusts but they offer the benefit of expanding in the void to cover more area.
Dusts:You should choose a dust that is labeled for carpenter ant control. You will need a hand duster to apply the dust to the void or to the gallery if the nest is located in a piece of wood. Dusts do tend to kill the ants a bit faster than foaming but you may need to drill more holes or open the wall a bit more to make sure you are getting even coverage.
Products needed for Method 3
Outdoor Sanitation and Preparation
- Food source
- Water or moisture
- Harborage or a place to live
- Trim back trees and shrubs so that the branches and foliage do not touch your home to prevent ants from using them to avoid pesticide applications.
- Trim up bushes and shrubs so that you can see beneath them to eliminate moist shady areas where ants like to nest.
- Rake mulch, pine straw or other landscape bedding back at least 6 inches from structure to create a "dry zone" that ants are likely to avoid.
- Turn mulch or other bedding material every couple of weeks to keep moisture retention low and discourage nest building.
- Clean out gutters and downspouts frequently as insects and other pests are known to harbor in these areas.
- Mow lawn as needed to keep growth low.
- Remove grass clippings, leaf piles and stacked wood to eliminate harborages.
- Remove ripe fruit from trees.
- Store outdoor trash cans and dumpsters as far away from structure as possible and be sure they have tight fitting lids.
- Thoroughly wash out trash cans and dumpsters with an ammonia solution when needed.
Outdoor Baiting and Spraying
Use Outdoor Carpenter Ant Spray
You will need a hand pump sprayer or a backpack sprayer to apply Termidor. You will mix 0.8 fl oz of product with each gallon of water. Most folks will need 1-2 gallons of finished solution to complete the perimeter application. You will need to apply the Termidor solution one ft up the foundation and one foot out onto the ground to build a barrier. You can also apply the solution around window frames, door frames, places where cables, pipes or wires enter the structure and any other place where you have noticed ants crawling or trailing on the structure. You cannot spray Termidor out in the yard as a broadcast spray, and you must limit applications to once every 6 months.
You should note that Termidor is formulated to have a slow kill time to allow the ants to spread the product around the colony, and it can take several weeks to see the full results.
Use Outdoor Carpenter Ant Bait
If the ants are further away from your home or spraying is not desirable, we would recommend using a carpenter ant bait granule. Carpenter ant bait granules can be broadcast over wide areas but studies show the baits work best if put in small teaspoon sized mounds near the areas where activity has been noticed. Carpenter ants usually forage during the night so it is recommended that you apply the bait just before sunset on a night when rain is not expected. As the carpenters ants forage they will pick up the bait and take it back to feed the colony. Over a few weeks, the colony will be eliminated.
225 of 231 people found this article informative and helpful.