Posted by Jon on 17:57:36 3/15/2017 from 188.8.131.52:
First, thank you for this excellent resource. Your carpenter ant section is fantastic and answered many of my questions.
I live in southern New England. I recently purchased a new house that was built on an existing fieldstone foundation, a common practice for this area. The foundation was rehabbed and coated with a veneer of cement and a waterproofing paint.
I never noticed any insects up until a few weeks ago, when it warmed up into the mid 50's and 60's. I noticed 8-10 carpenter ants in the basement and two underneath my kitchen sink. I placed a Terro liquid bait by the basement window where I suspected they were coming in. I watched the area and noticed that the ants were walking up the exterior foundation, disappearing under the trim, and then appearing on the other side of the window. They would feed and then seemingly leave via the same path. (At one point, there were 20 or so ants feeding.) I removed the bait and cleaned the area after a day (and no more ants about).
This seemed to solve the "problem". The ants disappeared up until late last week when it became very cold. We had a large snow storm yesterday, and I found several more ants walking about in the basement and one in the area when I last had the liquid Terro bait.
Could these guys be stragglers? Perhaps looking for the food that had been there previously? Or is there potentially a nest in the house and these guys are out in the basement foraging? Any thoughts?
Thank you kindly!
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