MelissaYou certainly have my sympathy for suffering such extensive insect damage.Considering the extent of damage and that there are two types of insect damage, and that at least the termite damage and probably the powder-post beetle damage were present at the time that you bought your house, it's not likely that the furniture that you purchased is the principal source of infestation in your home. On 2020-03-23 - by (mod) - Iâm assuming this is powder post beetle? Yes it may be old damage Tim, but keep in mind that powder post beetles can be hard to exterminate and that their activity can be dormant for some time. Thanks for your comment about where powder post beetle damage is most likely to be found in homes - it will help other readers. There is no known health threat from powder post beetles. I'm assuming the crawl space. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Sometimes it's not and entire structural replacement of beams even sills and rim joists is needed. Even if the finishes cannot be removed, deep penetration is still needed to control the developing larvae inside the wood. InspectAPedia is an independent publisher of building, environmental, and forensic inspection, diagnosis, and repair information for the public - we have no business nor financial connection with any manufacturer or service provider discussed at our website. That section of my house ( which is reasonably small ) is sinking. RILEM State of the Art Reports, 2011, Volume 7, 75-80, DOI: 10.1007/978-94-007-0560-9_8, [excepts chapter 7 on file: Tension Micro-Specimens, as Kasal_Testing.pdf]. If powder post beetles are in your home you may find piles of fine dusty material known as frass on the floor, frass is the “stuff” that is left behind that the larvae kick out as they tunnel through and feed on the wood. I agree that your photo looks alike powder-post Beetle damage. Damages from powder post beetles can range from mild to very severe. "A review of published temperatures for the control of pest insects in museums." My pessimistic side is telling me nobody will want to buy this house once they find out about the beetle damage. "Development of the powderpost beetle (Coleoptera: Bostrichidae) at constant temperatures." Powder post beetles attack woods with high moisture. Forest Products Laboratory Madison, WI. We walked the basement and he did not notice or point out the powder post beetle damage. 8, no. To prevent powder post beetle adults from laying eggs, sand and seal cracks, crevices and holes in the wood surfaces and then brush on a wood preservative (paint, water repellent stains, varnish and wax). We have only resided in our house a few months. How can a two joists have the same quantity of exit holes but have very different levels of internal damage ? If you find traces of a beetle infestation, have a pest professional inspect the home. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. SteveThanks for a great question Yes in my opinion powder post beetles can survive freezing weather. This pest is native to North Africa and is believed to have arrived in North America around 1875. On 2015-12-04 by (mod) - inspect and probe for extent of structural damage, e-text alone is not enough. Cutting moisture level in basements and crawl areas combined with topical treatment are the usual steps to address these pests, combined with regular re-inspection for evidence of fresh activity. When it comes to causing structural damage, they are second to termites that also inflict damage to wood products. Damage is done by the larvae as they create narrow, meandering tunnels in wood as they feed. If there is new powder post beetle activity you'll see new fresh sawdust. If a bad center girder supports a load bearing partition above, extra support is likely to be needed, including on the floor above. Newly hatched larvae bore into and feed on the wood causing the damage. Is it possible this is old damage? Abdelghany, A. Y., S. S. Awadalla, N. F. Abdel-Baky, H. A. El-Syrafi, and Paul G. Fields. Condition Assessment of Timber Bridges: 1. Please help! Also in a second comment pots a photo of the insects that you see. As the larvae feed, they create tunnels (galleries) that become filled with powdery frass (insect debris). When it comes to causing structural damage, they are second to termites that also inflict damage to wood products. Do I need to be patient? We now have powder post beetles and have had our home tented twice in a year. GroÃer Stadtacker 2 I can probe pretty easily under the wall plate. The females of false powder post beetles bore into the wood in order to lay eggs, leaving a hole larger than 1/8”. There are several areas that still concern me. Would that be stupid to put on the house--it's got that wood composite siding. Above: sawdust and insect damage at a window sill. If that's in newly installed flooring than the flooring just likely to have been infested when it was brought into the home. The beams had many, many small holes. said: Can powder post beetles be treated in the winter(temp's in the teens) with a water based agent used for treating them. Rather than risk a dangerous floor collapse you should ask advice from an expert, probably a structural engineer. This explains why these beetles breed only on certain kinds of timber and then only the sapwood. -photos of powder post beetle holes, sawdust, insects, damage. There are topical spray treatments, of limited effectiveness if the pp beetles are deep into the wood; What do you do to get rid of powder post beetles on old tool handles and a barrel !