Posted by Erin Merten on 18:35:36 12/6/2016 from 188.8.131.52:
In reply to: Re: Powder post beetles posted by John Fasoldt on 7:45:19 11/21/2016 from 184.108.40.206:
So update on my powder post beetle drama. I had several guys come out and look at the damage and give me estimates on the cost of tenting and fumigating. I thought I had everything figured out (spot treat vs spray the attic vs tent and fumigate) until today. I was going around making repairs to other sections of the carport when I saw a few more of the tell-tale holes. I started picking at them and guess what fell out: carpenter ants. About 10-15 of them as well as their respective larvae. So now after doing a whole lot of research on carpenter ants (I now know more about insects than I ever wanted to know), I have a few follow up questions if you don't mind, that I can't seem to find the answer to.
Supporting signs for carpenter ants: almost all the damage is located in wet areas or within three feet of water damaged areas(leaky gutter damaged the wood), holes are erratic sizes/shapes (one pest control guy pointed this out but just declared that I probably didn't have a "true powder post beetle", but he still said tent and fumigate), and of course all the ants that fell out. My question is could I have both? I know they both produce frass, although from what I've read the frass of the carpenter ant might be rougher in texture- unfortunately I don't have a microscope and the frass in the carpenter ant tunnel (the one that they fell out of today) seemed pretty fine/powdery. Some of the holes/tunnels are quite small, close to the size of the tip of a ballpoint pen. Could carpenter ants make holes this small? When my dad and I started ripping down the boards for closer inspection we noted lots of little ants (I only recognize big ants as being carpenter ants, but these might have been carpenter ants as well). Are there any ways I can distinguish between the powder post beetle holes and carpenter ant holes?
Thanks again for listening to my lengthy tale.
P.S. I'm back under contract, and the buyer is aware of the problem (well maybe, he thinks its powder post beetles as he was here for two of the pest inspections). He might be happy to hear that's not the actual problem if that's the case.
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