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Photo#222545
Gall on oak leaf - Polystepha pilulae

Gall on oak leaf - Polystepha pilulae
Marlton, Burlington County, New Jersey, USA
August 30, 2008
Size: Maybe around 5 mm?
This gall was on an oak leaf.

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Gall on oak leaf - Polystepha pilulae Gall on oak leaf - Polystepha pilulae Gall on oak leaf - Polystepha pilulae Gall on oak leaf - Polystepha pilulae Gall on oak leaf - Polystepha pilulae

Moved
Moved from Gall Wasps.
Good call. I've only recently realized that these are sometimes nice and round, pretending to be cynipid galls.

Moved
Moved from Galls. Host determined (with 99% certainty) to be scrub oak, here:

Doesn't seem to match anything in Weld (1), regardless of what the host is.

 
Info
Is Polystepha globosa ruled out?

 
I think so...
Galls of that species should be about 2 mm.

 
Polystepha pilulae
?