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something is eating my roses

Posted by teakettle2 9 (My Page) on
Mon, Jul 9, 12 at 10:44

Hi there-
I would appreciate some advice. Something is eating my roses. The leaves have circles or half circles eaten out of them. It looks like someone took a hole puncher and kind of randomly walked through my roses, punching the leaves here and there. The blooms are fine.

My concern is applying anything in our heat here. It will be over 100 this week, cooling down to the 90s next. ; / No humidity.

My other concern are my bees. I have an old fence post that the big black bees took over about fifteen years ago. I plant lots of bee friendly flowers for them and I dont want to harm them.

Any suggestions? thank you in advance.


Follow-Up Postings:

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RE: something is eating my roses

That's the perfect description of the work done by leaf cutter bees. It won't harm your roses. It is oddly fascinating to me to walk out & see the remnants of their work.

For your big, black bees--are you asking about a way to reclaim your fence post without killing the bees? I would hazard a guess that those are carpenter bees. Do you have visible holes in the fencepost that are about the diameter of a quarter?


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RE: something is eating my roses

So, you don't have a problem at all - the leaf cutter bees don't hurt the rose bushes - just cosmetic, and it won't last long. Since you now don't have to poison them, you also will not be hurting the carpenter bees! I'm sure they both appreciate the bee friendly flowers you have planted - you can think of your garden as a bee sanctuary - that is so great with all of the disease problems honey bees are having.

Jackie


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RE: something is eating my roses

FWIW, I believe leaf-cutter bees (who I also find entertaining) make their nests in old rotted wood. When we had a fair amount of that laying around on the hillside, we saw quite a lot of leaf-cutter-bee activity.

Now that all that old stuff is gone, I realize that we rarely see leaf-cutters, now. I sort of miss them, too.

Jeri


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RE: something is eating my roses

Oh thank you so much for your replies!

Flaura-I dont want to reclaim the post-I love watching the big fat bees. The are so funny when they are bright orange when covered with pollen, diving into the holes. I didnt know the name of them tho.

Well my problem is solved-I will look at the roses with their "bee lace" leaves with new appreciation.

Thanks again-
Sue


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RE: something is eating my roses

Lucky you---our carpenter bees love to attack our deck. We can't afford to redo the whole thing in composite materials, so we've been running around with wood putty, plugging up the holes. Only the females dig the holes, and only the females sting. The male bees don't sting, but they are the ones that dance around in front each ladies' butt-hut, and love to strut their stuff if you get too close.

Now--leaf cutters, on the other hand--I've never seen one. I only see the leaves after they've visited.


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RE: something is eating my roses

They love my Duchesse de Brabant so much she looks like lace at that certain time of year. Not sure why they show such a distinct preference for her.


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RE: something is eating my roses

I've always observed that they prefer certain roses over others. I suspect that it's got something to do with the texture of the leaf.

Jeri


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RE: something is eating my roses

Its true-so far the only roses that have been "blessed" by the bees are my Yves Piagat (so far the favorite)and my Lyda Rose

Sorry about your deck flaura=these bees have been here forever and although there are other posts they have only stayed in the one post.


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RE: something is eating my roses

http://www.ext.colostate.edu/pubs/insect/05576.html

Here is an interesting and concise article on leaf cutting bees. You learn something new everyday.


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RE: something is eating my roses

  • Posted by seil z6b MI (My Page) on
    Tue, Jul 10, 12 at 21:23

I've had lots of leaf cutter activity in my roses this year. Sometimes they can make a mess of the leaves but I enjoy seeing those perfect circles so I don't do anything about them. Besides, bees are good things. Usually they like Golden Wings best but this year I've seen the circles in several others too.


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RE: something is eating my roses

I put up bee houses for them. It helps keep them from building their own.
Renee


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RE: something is eating my roses

I love seeing the holes!

I really do have too many various carpenter bees, though. I am thinking of putting up the houses near their favorite haunts. It's not like I could possibly attract more of them, lol :D

I had one burrow into an old rake once! She bit me when I finally grabbed the thing to move it elsewhere (I didn't know she was in there). They can bite very hard!


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RE: something is eating my roses

Renee and Meredith-
Now you have my curiosity going.
- How do I make a bee house?


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RE: something is eating my roses

flaurabunda

I have a possible solution to your carpenter bee problem. Our local Ace Hardware store has a shingled ... oh, I don't know the proper name for it ... roof eve ? over the entry doors to the store. The carpenter bees attacked them this year to the point where some customers were afraid to enter the store. (They didn't know that carpenter bees don't sting). The folks at Ace sprayed the shingles with Terro Carpenter Ant spray and the bees were gone in a day.

I have the same kind of eve on my woodshed/garden shed and no matter how careful I have been trying to block them, some bees still get inside the garden shed portion. (What a mess !) This year, the bees started attacking my redwood picnic table. I didn't have time to stop and paint the dang table, but when I learned what Ace had done to solve their problem, I bought a can of the ant spray. The bees left my table alone for the rest of their active season after I sprayed it.

I hope I find time to paint the table later this year. However, ant spray is still cheaper than paint.

Smiles,
Lyn


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RE: something is eating my roses

Aha! I assume the ant spray won't harm honeybees, mantises, or ladybugs? (I hope, I hope!)

That would be far better than deck stairs that are turning into swiss cheese.


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RE: something is eating my roses

Since I was spraying a picnic table, I didn't research it. I do have a no spray garden and love the beneficial insects, too.

I am wondering if you could time it so that you are spraying when most of the insects are dormant and if it will last. I have been told that the best defense against carpenter bees is paint, but the bees don't read.

A friend of mine had the redwood siding on her house attacked by carpenter bees and put a very thin coat of Thin-set concret over the wood, then the primer and painted. She hasn't any problem with the bees since she finished the job.

Smiles,
Lyn


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RE: something is eating my roses

I forgot to add... the ant spray has to specifically listed for "carpenter ants" ... something about the attraction to wood.

Also, I was only spraying the underside of the picnic table and benches. The top is covered with a tablecloth.

Smiles,
Lyn


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RE: something is eating my roses

I agree with you Lyn, the paint has been completely ineffectual as a deterrent. I tried it both ways; painting the deck boards AND painting a sign that said "Go away!"


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RE: something is eating my roses

Well,

I think BJ's use of the Thin-set concrete to cover both the wood and "caulk" any seams or joints might be the next step. It's still cheaper than replacing a whole deck.

I do know that regular caulking does not work.

I have improved my batting average with a fly swatter when they dared approach my picnic table while I was out there ... lol.

Smiles,
Lyn


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