matto Posted November 5, 2010 Report Share Posted November 5, 2010 Inspected a home with the siding removed, the foam board has these holes in it. It is cooler here in Wisconsin and did not see any insect activity. What type of insects "eat" foam board? I am not even sure if this is from insects any help or direction would be appreciated. Bugs are not my strong suit. Thanks, Matt Click to Enlarge 31.96 KB Click to Enlarge 43.23 KB Quote Link to comment Share on other sites More sharing options...
AHI in AR Posted November 5, 2010 Report Share Posted November 5, 2010 I've seen similarly chewed up foam sheathing in areas of termite damage. I assume that they don't digest the foam, but they can tunnel through it. Quote Link to comment Share on other sites More sharing options...
Tom Raymond Posted November 5, 2010 Report Share Posted November 5, 2010 Foam isn't much match for any pest that wants to see what's on the other side, especially if it's dinner. I see brickmold on the left, my guess would be carpenter ants. Quote Link to comment Share on other sites More sharing options...
ghentjr Posted November 5, 2010 Report Share Posted November 5, 2010 Foam isn't much match for any pest that wants to see what's on the other side, especially if it's dinner. I see brickmold on the left, my guess would be carpenter ants. That would be my guess as well. Remember, the carpenter ant only excavates for a place to live, not for food. It does not eat the wood, it only lives in it. You should remember what the larger galleys look like in the foam as they look just the same in wood. Quote Link to comment Share on other sites More sharing options...
Bill Kibbel Posted November 5, 2010 Report Share Posted November 5, 2010 Carpenter ants love nesting in that stuff. Quote Link to comment Share on other sites More sharing options...
matto Posted November 5, 2010 Author Report Share Posted November 5, 2010 Thank you for your help it is appreciated as always. Matt Quote Link to comment Share on other sites More sharing options...
Rob Amaral Posted November 6, 2010 Report Share Posted November 6, 2010 I'm with the Carpenter Ants also. Quote Link to comment Share on other sites More sharing options...
John Kogel Posted November 7, 2010 Report Share Posted November 7, 2010 I'm with the Carpenter Ants also. What are you doing in there with the ants, Rob? [] I agree. Ants. Quote Link to comment Share on other sites More sharing options...
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