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Mystery please help! Half dead winged carpenter ants in 80% new home

CH Design & Photography
8 years ago
last modified: 8 years ago

We remodeled our house near Boston last year. 80% of the house was ripped down to the studs, new roof floor walls. (only the supporting beams remaining). The other 20% is a completely new addition.

In the last couple of months, we have been finding ants as in the pic. First 4-5 every day in the newly built part of the house, second floor, then yesterday about 300 all clustered around a window, a new window, in a ripped to the studs part of the old house. That room on the second floor has new walls, plaster, ceiling, floor, HVAC. The only thing left from the old part is a couple of beams which had no ant problem as they were exposed and examined before being closed up. Icynene spray in insulation in all the walls. Concrete foundation.

The ants are half dead, with wings. The window in the room in which we found hundreds is new and has a tight seal- absolutely no room for an ant to get in. And yet they are all around the windows..

Also on the floors of an adjacent room also on the second floor.

Where could the nest be and how might they be getting in?

We do have overhanging trees, and the street is a fairly heavily wooded area. We sprayed the perimeter of the house with an insect barrier thing we got at home depot.

Any clues?

Our aim is to stop them getting in and destroy the nest. The room they are in, in the 100s is a child's bedroom and she hasn't been able to sleep there for 2 weeks as they land on her in the night and she's quite rightly freaking out.

Help!

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