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Insect gall on grape leaf

Grape Phylloxera

Published on Project Noah
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40.1196, -75.2289

Field Notes

Description:

I have no idea what this is, perhaps an insect or a fungal infestation of a what I think is wild grape leaf. Any help with identification would be appreciated.

Habitat:

Border of woods in southeastern PA USA

Species ID Suggestions

Comments (4)
ForestDragon
Neat find! This would be a good addition to my new mission for Arthropod Galls! http://www.projectnoah.org/missions/147306057
Mostly Microbe
Thank you for the suggestion KarenL. And thank you dandoucette for the link. I haven't read the whole article on Phylloxera yet, but from what I did read in scanning the wiki article, it does sound like that's what it is. I had never heard of an insect gall before!
Dan Doucette
This is an insect gall, possibly caused by Grape Phylloxera. http://en.wikipedia.org/wiki/Phylloxera
KarenL
Looks like some kind of gall - maybe grape tumid gallmaker?
Photographed
PublishedOctober 4, 2011

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