CLOSED: Caterpillar on my Grape Vine

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pajaritomt Los Alamos, NM(Zone 5a) Sep 23, 2006

I have a grapevine in a pot on my deck that has some small caterpillars on it. They look just like a tiny ( 3/4 inch max) monarch butterfly larvae except that they don't have but two stripes of black, white, black. The rest is yellow. There are 6 or so of them, chomping away on the grape. It is pretty cool here -- down to mid-thirties at night. I tried to photograph it but just can't get my camera to focus on such a small critter. Can any of you suggest what they might be? I will not kill them if they are monarchs.
Thanks,
Betty

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ceejaytown The Woodlands, TX(Zone 9a) Sep 24, 2006

I don't know what they are yet, but they are not monarchs. Monarchs feed on milkweed, not grapes...

My guess would be grape skeletonizer. Here is the picture of one. If it's not the one, google "grape skeletonizer" and look at the images that are shown.
http://www.snwa.com/assets/images/grape_leaf_skeltonizer_100.jpg

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pajaritomt Los Alamos, NM(Zone 5a) Sep 24, 2006

That is it exactly, ceejaytown. Thanks for the pictureless ID. Betty

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