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Photo#497030
Gall Wasp - Amphibolips

Gall Wasp - Amphibolips
Ashburnham, Worcester County, Massachusetts, USA
This is a dried out bud from the oak tree the gall was on.

Images of this individual: tag all
Gall Wasp from scarlet oak  - Ceroptres Gall Wasp from scarlet oak  - Ceroptres Scarlet oak gall - Amphibolips Gall Wasp - Amphibolips

Moved

Hairy bud scales...
...keep pointing to Scarlet Oak (Quercus coccinea), maybe Red Oak (Q. rubra). Buds of White Oak (Q. alba) are glabrous.

 
Black Oak
Quercus velutina has hairy buds and is fairly common here in central Mass. I would say either Scarlet or Black.

 
variation
Yes, black oak is a possibility, although its buds are generally completely hairy. Sometimes plants just don't "read the book" on how they are supposed to appear :) Something in the black oak group, based on hairiness of buds.

 
Q. coccinea
I checked with another tree and shrub expert whose ID was Scarlet Oak.

Moved
Moved from Gall Wasps.
I'm guessing white oak based on the gall... I think leaf scars would be useful, though I haven't done much with identifying oak twigs in winter.

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