The good news here is that the ants are visible to you and they are still going outdoors to forage which means they will walk through areas that that you treat outdoors.
Ants in attic insulation.
However it is important to realize that carpenter ants in the toronto area are also known to rip through and infest foam insulation.
Your attic hosts some electricals including cabling for various appliances.
These ants actively excavate wood.
While it would be unusual to have an entire colony in your attic it is not unheard of.
These ants are about 1 8 inch long and range from pale brown to black in color.
I hit them with some raid ant killer and got a lot of them but a lot fled the scene.
Light brown these ants are between 1 12 and 1 8 inch long.
Some of the common species of ants occupying interior walls and voids include.
Feed on sugars carbohydrates and greases.
Below is a list of common ants that may nest in walls with some tips on how to identify them.
So i was removing attic insulation and found some carpenter ants just hanging out under the insulation blown in cellulose.
Ants will build nests where ever they can find a suitable area to do so.
They prefer warm regions.
Nests found in wall voids bath traps and insulation.
Carpenter ants have also been known to invade electrical wiring.
Carpenter ants found in attic.
Feed on sweets and proteins.
When carpenter ants invade these wires they eat through the insulation posing a potential fire hazard from short circuiting.
Nest in door and window frames particularly those damaged by termites other insects and moisture.