Posted by Diane on 20:16:14 5/27/2014 from 22.214.171.124:
To make a long story short, a 2x4 foot section of a northern facing wall has been "crunching" for awhile now. When I first noticed it in the winter months, I thought it was due to a mouse, but now my gut says CA's. I have not seen any ants in the house. Examination of where the foundation meets the wall in the basement, as well as in attic yields no ants either. Today was a warm and humid day, so I spent a good 2 hours during predawn/dawn hours and didn't see any ant activity. However, the crunching was very obvious. Whatever is in the wall likes this warm humid weather too.
This particular area has been a problem to carpenter ants in the past. It is a northern facing wall with little to no light exposure, with a few big oak trees that provide shade and moisture retention. Since we know that ants love moisture, we are in the process of cutting these trees down.
So, my question is how do I effectively eliminate these active ants? This wall was exposed and examined externally last August before putting on a new roof and siding, and there was no indication of any current ant activity or damage at that time. I don't want to bust open the interior wall unless absolutely necessary. In this situation, would it make more sense to drill between the studs and dust? Any thoughts/opinions/suggestions would be greatly appreciated.
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