While it would be unusual to have an entire colony in your attic it is not unheard of.
Ant colony in attic.
I would defiantly take a closer look at these ants.
Carpenter ants have built a reputation for shaving through wood making holes and tunnels that damage it.
What you must do is find the nest and eliminate it.
Use these scouts to wipe out the entire colony.
Below is a list of common ants that may nest in walls with some tips on how to identify them.
Prebait ants in areas you ve previously seen them.
When ants do this to your attic structures it could significantly compromise its stability and your roof could cave in any time.
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Beyond that only 10 15 of the colony is foraging at one time.
When you see an ant your first impulse is probably to step on it.
You ll kill it but for every ant you see there may be hundreds more hiding in the house.
For permanent control you need to get rid of the whole colony.
It is important to check insect traps regularly and refresh them periodically to ensure they continue to be effective.
Significant ant colony in an attic.
Some ants are more attracted to sweets and some to fats and oils.
Ants become dwellers inside walls and other voids simply as the result of finding a more preferred site for food moisture and protection than what is available to them outdoors.
They prefer warm regions.
It sounds a bit out of character for ants to be in your attic they generally only are found in places that have a food source of some type.
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.
Dry wood termites on the other hand look a lot like ants and would have more reason to be in your attic.
These ants are about 1 8 inch long and range from pale brown to black in color.
A single ant colony could have as many as 50 000 individuals.
A mature carpenter ant colony can have 10 000 ants so random spraying will be ineffective.
Light brown these ants are between 1 12 and 1 8 inch long.
The ones you see are scout ants foraging for food to take back to the colony.
All types of ants live in colonies that consist of hundreds or even millions of individual ants with one or more egg laying queens.
They will bring the bait back to the colony to share which will help destroy the colony.
Ants could damage your attic in as few as six months.
First and foremost don t spray any further as an initial step.
These ants actively excavate wood.
Baits have the added advantage of being easy to place and relatively mess free.
Ants will build nests where ever they can find a suitable area to do so.