http://unexco.com/carpbees.html Do You know where they came from? They eat p.t.wood

My Comment:  They came from God, and they don't EAT wood, they tunnel into it.  Pressure treated wood too.

http://unexco.com/carpbees.html I've found in the last few years Carpenter bees have gotten much worse, if they pick a spot, they are going there regardless of paints, stains or wood types. It's amazing to see them eating up the wood soffit of an all brick house while the cedar house next door has none. If the hole is easily accessable (or if you don't powerspray) I've had great success with Premise foam. It's beauty is that wherever the hole goes, the foam goes. Imidacloprid does a number on bees as well. Jeff

My Comment:  They've gotten much worse because paints don't have lead or mercury in them anymore.  And the bees DO attack cedar as well.  They even attack pressure treated wood.  And if you're using imidacloprid for the bees, it is against label directions.  I notice in your comments for hornets you are using Termidor against label directions also.  Not a good thing for a professional exterminator to do! Jeff also made a suggestion about my hornet page.

http://unexco.com/carpbees.html You know I think these insects are nice, dutiful and I never dreamed of killing them in such a nazi way. I just wanted to discourage them from covering my porch nice seats and cushions with sawdust! We cannot exterminate every wild critter because they are a little annoying for us...I will put up with them, and I love the wild bees keeping me company for breakfast in the summer!

My Comment:  HEY! I only do it for the money.

http://www.unexco.com/carpbees.html I live in a rental home and don't want to spend a lot. I soak cotton balls in pyrethrin flea spray and stuff it in the holes when I hear the bees in there. It usually lasts a couple of years, then needs to be repeated. I was stung once when I accidently put my hand over a hole in a bird feeder-didn't know they would make holes in cedar-they do! BIG problem with squirrels getting in the vent holes under the roof. This is a 3 story Victorian, no way I can reach them!

My Comment:  Might last longer if you use xylene instead of pyrethrum. Xylene is nail polish remover.

http://www.unexco.com/carpbees.html Thank you for a very informative site regarding carpenter bees. One point with which I disagree: pressure treated lumber is NOT immune to attack. Attacks seem to be less, but hardly absent. I have a porch rail of treated wood where the bees have bored up from the bottom of treated uprights. Also, a fence of about 200 treated post and I have at least a dozen with bee holes. I like to think that the poison in the wood will kill the emerging bees, but I don't know. Do the bees have a preferred height for nesting? Seems lower (under porch structure, 4-8 ft above ground) locations are free of bees. Thanks again for your site.

My Comment:  No, PT wood is NOT immune from attack, and I believe that's on the page...  And as far as the bees preferring a certain height, I've even see them attack wood that's within an inch or two of the ground.  The fence may have pickets of regular wood, with only the posts being PT wood. They will usually pick on the regular wood first, but not always.  And the reason the poisons used in the PT process won't kill them is that the bees are BIG and they have minimal actual contact with the poisoned wood.

http://www.unexco.com/carpbees.html hit them one by one with a tennis racket at different time killing them

My Comment:  I think you have a full time job with that, at least in the spring.

http://www.unexco.com/carpbees.html Exactly how do you tell the males from the females? (I wouldn't imagine the females wear bows or the males carry remote controls with them.) (elizabeth - email address omitted)

My Comment:  hahahahahahaha.  Very funny, Elizabeth, but you don't even have to look that close.   The females are the ones that drill the holes and will ignore you.  The males are the ones hanging around looking for sex.  You'll see them hovering around the affected areas and confronting every movement within their territory.

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