We're just in the process of having moved into a home near a forest and are dealing with some carpenter ants colonies. (FYI try a Google search on these ants) We had a pest guy come and spray the perimeter of our house, it got rid of quite a few. Also, go around your place with a flashlight when it's dark outside, say between 10p.m. and midnight, check for ant traffic. You may be able to locate the nest, then get a pest guy to get the Queen! Viola! Ants be gone. This is pretty much it, also get rid of any moisture around wood and/or or rotting woodpiles. (we actually found and disposed of a Queen this way) Then try using organic deterrents regularily such as planting peppermint around the house, sprinkling cinnamon and/or cayenne all around the house too. Also, you could burn pine resin on a charcoal all around the house in and out (this also deters wasps from nesting) and over time, your place will become unfavourable to certain unwelcome creatures.
I really do not know and was hoping some one had posted something for this problem. We sprayed raid and it did help some. My daughter had them and the exterminator came out but the ants moved else where. They are a lot of trouble.
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