[ohohyodafarted]

Commonly know as "powder post beatles" here is a link to a page telling about them. They bore a small hole1/32 to 1/8 inch diamater and grind the wood into a fine powder. The cabinet will need to be fumagated. I would contact an exterminator service and find out what to use. One thing for sure, I would not put it in my house until it has been sanitized, because there could be larve or even live beatles in the cabinet that could infest you home.