How do you get rid of carpernter bees?  

You're in luck. There's a great new TV program on A&E called "The Exterminators". Every Weds. night at 10:30. They did bees (killer bees) about 2 weeks ago. Also wasps in someone's house. You'll learn a lot about getting rid of critters too. One of my fav. shows. Bill and his family live down in Louisiana...they are real folks and run this business. You'll get a laugh watching Bill tackle alligators and such on people's property. Just love this show!

Carpenter Bees are like Termites-They bring attention to problems like moisture buildup, because they don't eat dry wood. The best thing you can do is spray a pesticide into the areas they infest, then spray a geo-foam where they would attack again. The new spray foams are not as expansive as the old ones, so they don't do damage to surrounding structures putting pressure on them as the foam expands. The foam is a urethane base, and dries hard like plastic, so the insects won't be able to bore through it. It is non-biodegradable, so they can't digest it. It lasts almost forever. When first sprayed, it can be molded somewhat. It will help the problem after the original damage is ended.

Well that doesnt give me much hope :( I had just read online that if you plug the holes they will die in there because they wont eat their way out. Now that I think of it though that doesnt really make very much sense if they bore through the wood they would probably bore their way out another way if they were blocked in at their entrance :(