Posted by John Fasoldt on 18:31:44 5/11/2010 from 188.8.131.52:
In reply to: Carpenter bee removal question posted by Brad on 21:34:14 5/8/2010 from 184.108.40.206:
The board normally notifies me when there's a post, but it's been pretty hectic around here lately, sorry about that.
Both Xylene and WD-40 are (individually) faster-acting and generally more toxic than any dust on the legal market today, and are easily available. Not too many laypersons have a duster or the dust. They would probably have to purchase it specifically for that use.
And all that (either method) NEVER guarantees 100% kill on all of the bees, they are very robust. But you will do considerable damage to most of them, depending on how thorough you are able to be, and that can also depend on special situations or considerations. And experience.
For all intents and purposes, a MECHANICAL block is by far the best solution, however you do it. For new or replacement construction, you should use some kind of composite material that is immune to the insects. Expensive sometimes, but works permanently on the bees. If you can use insect screening to block them, it's even cheaper. Just a lot of man-hours.
If we do it, I generally insist on doing it this way, we don't like to have to come back! We don't do too many "my way" - it can get expensive! I prefer to tell people how to do it themselves, the best and cheapest way. Except or the xylene, most people already have what's necessary. Just the other day I was talking with another exterminator that uses tin foil (aluminum foil) to jam down the galleries. Aluminum foil would be impenetrable to the bees, for sure.
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