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Question:


I have a log home made from Poplar. Lately I have been getting a lot of small holes (pinhead size or smaller) with a sawdust pile left underneath it. Any idea as to what bug causes this? Also, how can I prevent it?

Thanks,

Mark

Answer:

Sounds like Powder Post Beetle (Lyctoxylon dentatum) and can only be treated by stripping the logs to bare wood and treating with a borate like Shell Guard. Call Dave at 800-564-2987 to buy borate or Mike at 866-670-3020 for help having it professionally done.

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Posted By Myrna Guymer
6/30/2013
Our original spruce stripped & varnished log cabin is 75 yrs old. The additions are of stripped varnished poplar. It is the addition where we have the same small holes and sawdust, but I saw a small 1/4 in. black bug with wings crawl into the hole. Have also seen and photoed a small worm crawling into hole. What bug is this? We live on a lake north of 54 in East Central Saskatchewan, Canada.