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Carpenter Ants

Posted on 4/4/24 at 10:58 am
Posted by BayouBengals21
Member since Mar 2020
132 posts
Posted on 4/4/24 at 10:58 am
So lately I’ve had big black carpenter ants under my carport and on my back porch. I’ve read where they can be pretty destructive. I don’t have any trees in my yard. Don’t know where they’re coming from. Anyone have any idea how to get rid of these things?! I
Posted by cgrand
HAMMOND
Member since Oct 2009
38829 posts
Posted on 4/4/24 at 11:48 am to
they are looking for water.
put down some diatomaceous earth
Posted by boudinman
Member since Nov 2019
5064 posts
Posted on 4/5/24 at 5:15 am to
Spray bifenthrin 7.9%. Follow label instructions.
Posted by Canon951
Member since May 2020
146 posts
Posted on 4/5/24 at 12:09 pm to
quote:

Spray bifenthrin 7.9%. Follow label instructions.


This ^^

Posted by Cypressknee
Member since Jul 2017
1197 posts
Posted on 4/5/24 at 12:54 pm to
No, not bifen. You need a product with fipronil, slow kill. This way they bring it back to the nest and wipe them all out. Bifen kills basically on contact, you will only kill some using this way.
Posted by Tree_Fall
Member since Mar 2021
489 posts
Posted on 4/5/24 at 1:45 pm to
You can buy carpenter ant baits or make your own with honey and boric acid. This ant forages over large areas, so the nest might be in an old stump or rotting fence a few houses away.

The ants tend to follow established foraging routes. Keep observing around dawn and dusk, bait along the trails. Inspect soffits for ants and entrance/exit holes.

Years ago, I had ant damage in my porch roof. The infestation started in a wooden post that had some wet rot at the base. When the wood posts were replaced by structural fiberglass, the installer replaced the damaged roof parts. Terminix spread bait in adjacent garden beds where the ants were foraging.

Unlike termite damage which can happen fast because termites eat the wood, carpenter ants only excavate and nest in the wood. Damage generally takes a long time.

Posted by CalcuttaTigah
Member since Jul 2009
770 posts
Posted on 4/5/24 at 2:05 pm to
I’ve got some old threads on this topic, I had both carpenter and acrobat ants. I had to remove some rotted wood they were nesting in and they went away.

Have you identified the nest or where they’re congregating around? They usually have walking paths to and from that location if you sit back and watch.
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