Boring Type Insect Image
Posted 24 August 2009 - 07:39 AM
Posted 24 August 2009 - 08:46 AM
Some kind of cane boring beetle and yes, you should be worried. I'd spray Sevin on the vines as soon as possible. Be sure to observe any preharvest interval requirements. Most boring insects will dig their way into the wood at joints or notches in the wood. Look for signs at the base of shoots or spurs especially those that are necrotic.
Posted 24 August 2009 - 09:57 AM
Check this link and see if it is the grape cane girdler. Scroll down and you can see it in the adult, egg,larvae and nymph stages by dlicking the figure links.
This may not be what you have, I can't make your picture out well, but it sounds like what you describe and yes they are here in NY.
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