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What pest is this?
Daniel Hanna wrote:
In Mike wrote: I noticed on three roses in seperate locations damage I've never seen before. Something has chewed a perfect little ring around the canes just below new buds. Anyone know what causes this? Another weird thing - it's just one bud on each rose I've seen. Apparently, this is a persnickety pest. I get this too. It's a grub, not sure what kind (rose weevil? rose borer?). Anyway, systemic insecticides get rid of them, but in the meantime the affected blooms are write-offs. I suspect there are two culprits who can do this damage. I believe that right now, in my garden it is a rose curculio because I found the holes drilled in the flower *and* the little marking on the pedicel: http://home.earthlink.net/~cbernstei...ulioDamage.jpg The stem sawfly damage looks a little different on Baldo's site: http://members.tripod.com/buggyrose/...ephid-dam2.jpg Curculios are sure hard to see, considering their coloring. I can stare right at one and not see it. Anyway, the cure is to hand pick. |
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