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Carpenter Bee Holocaust!

4441 Views 11 Replies 8 Participants Last post by  Mike the Rookie
I've been watching over the past week as carpenter bees force their way into my hive. I have the entrance reducer in, set to the larger opening, though backed off a little from the entrance. Also a cork hole in the middle box.

Today I decided to go try to do something about it. I have no idea where their colony was, but I have been seeing them crawling on the ivy in front of my girls' hive, so that's where I started. Stomped about 10 there, then covered the area in a couple hundred pounds of sand. Then I set up shop sitting on a cinderblock next to the hive entrance with my pocket knife and killed them as they crawled up the front. Probably another 20 before I had to go.

Everything I have read tells me Carpenter bees are a small colony species, but that was a higher body count than I was expecting. Last year, there were absolutely none. None that I saw anyway.

Any ideas about how to trap or kill more? Can't find the nest, unless its in the old mulch I poured the sand on. And obviously proximity to my girls would rule out pesticide.
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Discussion Starter · #6 ·
Well, I examined the outside and underside of the hive and didn't find any bore holes like carpenter bees make.

I'm pretty sure these are carpenter bees, but I'm certainly no expert, so I'll work on a pic for tomorrow. Its dark now, and I never saw anymore of whatever they are after my onslaught early this afternoon.

My own limited online research found the best match to be Xylocopa virginica, and it really does look exactly like what I was seeing. But more opinions would be helpful.
 

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Discussion Starter · #11 ·
Well, I botched the photo. Long story.

To get to the heart of the matter, whatever they are, I am going to reduce the entrance, and close up the cork hole. I'm certain it is encouraging robbing from whatever these things are.

Incidentally, I'm thinking about drilling a hole through the cork to act as an entrance reducer. What size do you guys recommend? 3/8"? 1/4"?
 
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