Is it possible the colony is in the attic.
Ants in siding of house.
Controlling pavement ants.
I am removing the cedar clapboard siding on my 1940 cape and a half western massachusetts and finding ants crawling around the diagonal board sheathing.
In the northeast small ants are probably odorous house ants potter said.
If your patio or siding stays wet this can attract carpenter ants.
On the other hand ants may live inside the house.
This is the spot i ll dust most often for pests like scorpions or occasional roaches for ants i most often use a non repellant spray such as arilon termidor or other and don t even worry about getting a product up and under.
A carpenter ant s favorite environment.
I sprayed the vent with and killer and they appear to be gone but in a few days they come back or will been seen coming and going through another vent.
More will quickly be sent out from the colony to forage.
Gels marketed to professionals which homeowners can also buy online are highly effective he said.
They turn wood into dust as they create nesting spaces.
If you re still getting ants in your house after spraying interior entry points spray a 12 in wide band of ant insecticide on the foundation and on and under the first course of lap siding to keep ants from entering the house.
Ants usually live in wood or soil outside the house and only march into your house to gather food particularly during the spring and summer.
Spraying pavement ants directly is rarely very effective because this kills only the workers you can see.
Whether the colony is outdoors or hidden somewhere in your house baiting the ants is a much more effective strategy.
Siding is purposely put up loose for expansion and contraction and so your duster tip or injection straw usually fit nicely.
I see ants climbing the outside walls on my house and going into the vents on the house.
I set off a few foggers in the attic put out terro and bait which killed many of them but not all.
Nothing horrible yet just little.