Powderpost Beetle
Powderpost beetles are so called because in high numbers they are able to turn the inside of a piece of wood into nothing more than a mass of fine powder.These wood destroying beetles can do significant damage to log homes, furniture, wood floors and structural timbers in your home. Powder post beetles are small (1/8 inch) and the adult beetles are seldom seen. Most of the life cycle is spent in the grub or larvae stage eating wood. Damage is done by the larvae as they create narrow, meandering tunnels in wood as they feed.
People do not realize that the wood is infested until the adult beetles emerge from within the wood. The exit holes are very small, about the size of a pin head. Newly emerged adults mate and lay eggs on or below the surface of bare (unfinished) wood. The eggs hatch into tiny larvae which bore into the wood. Homeowners are more likely to see damage than the beetles themselves, because the adults are short-lived and are active mainly at night.
When the wood is tapped with a hammer, dust will fall from these exit holes.Powderpost Beetle Control In Unfinished Woods
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