powderpost beetles powder post beetles powderpost beetle damage
Powder Post Beetle Damage
This is a picture of a 2 x 4 which had powder post beetle damage. Notice the holes are small - about 1/8" or smaller. There are also channels where larva fed close to the surface of the wood. Even though this wood has been treated and has no activity, you can get fine talc-like powder to fall from it when shaking it.
This is a picture of a piece of paneling which had powder post beetles. You can see their exit holes as they chewed through into the living area of the home. The paneling was cheaper to replace than treat so the home owner ripped all the sheets out and installed new panels. They made sure the new stock didn't have any activity!
This is the backside of the paneling which is pictured above. This side shows the same channeling as seen on the 2 x 4 in the picture at the top of this page. As explained in the article, powderpost beetles will infest any type of wood including paneling, plywood, 2 x 4's, furniture, molding, hardwood floors and sheathing. There are many species all of which require specific wood on which to live. Don't be surprised if they infest something unusual or decorative that you thought would be impervious to insects.
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