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How can I get rid of mud daubers in my workshop?

Mud daubers have built their nests in my table saw, bandsaw, drill press, roll-around toolbox, drawers. . . everywhere. I can't seal the shop up as tight as a house-- it has a concrete floor, metallic roof and cedar board siding and it is uninsulated. Is there any kind of spray or fogger that will rid me of them? Discourage them from returning? I live in rural south-central Texas. These critters are just part of life here and I get along with them fine, but I'd sure like to keep 'em from building nests in my shop.

Public Comments

1. by a spay for them
2. Paint everything blue....... they wont build on it.. and you can kill them with bleach and water mix or gas
3. they sell smoke bombs at wal-mart, set one off and they'll all get out
4. Just use insect spray. I heard WD40 also works. Go in with guns blazing before they get you! Maybe use a bee keepers outfit to do the job. After that attack their new efforts at building before they get established and they will get the message.
5. Gosh, I'm not sure. I got these little jars (look like Mason jars) at K-Mart or Wal-Mart that you fill with sugar water or non-diet soda or juice and the lid is made so that they can crawl in but can't crawl out. You can hang them up or just sit them around. It does work to lessen their numbers. Maybe you could just set out a jar with some sugar water and hope that they drown in it. You would probably have to refresh it every day. You have to find their nest and destroy it to really get rid of them. That's easier said then done. Mine made their nest in a hole in the garden. I don't know how many aerosol cans of flying insect killer I used and they still kept coming out of the hole. I finally heaped the area up with dirt at night. Good luck. I don't really have an answer.
6. I am a pest control operator. It is difficult to prevent them from coming in. The mud tube they build is for them to lay an egg. The wasp will sting an insect (usually a spider) and the sting paralyzes the insect. They drag it to the mud tube, lay an egg on the paralyzed insect. When the larva hatches, it has a fresh food supply to feed on. So, they are beneficial insects. They seldom sting people, but those mud tubes are very hard and can damage stuff. We painted the under side of a patio cover sky blue 2 years ago and we have not had a single wasp nest or mud dauber tube there yet. So we are thinking it works.