Question
A couple weeks ago I was storing pumpkins and squash in my greenhouse for curing before moving into storage.  Today I went to check on them and on several of the squashes was a light pile of sawdust.  When I wiped it off, there was a deep hole bored into the squash.  I tried cutting one open, but couldn't find the culprit.  Any ideas what may be doing this?

Answer
Carpenter bees will bore holes into wood and certain vegetables leaving a trail of sawdust behind. Squash borers are also a possiblility, but they tend to bore into the stem or vine. Since you did not find the culprit, I can only speculate. But it sure sounds like carpenter bees are the prime suspect.

Have a great weekend.

Mike