How do you get hold of rid of carpenter bees? We have carpenter bees contained by the trim boards and fascia...

We have carpenter bees contained by the trim boards and fascia boards of my house, and I have tried everything to find rid of them. Any ideas?
Making a bookshelf?
Answers:    Here's an answer from Clemson University: http://hgic.clemson.edu/factsheets/HGIC2...
I want to cut out wooden correspondence from...
Take a pod of Sevin dust and a big dropper like the ones used for cooking. Suck the Sevin dust up into the dropper using the squeeze bulb and blow it contained by the holes. I've had equal problem before and this works. Good luck!!
Bay glass w/ Tile?