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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Flies (Diptera) » "Nematocera" (Non-Brachycera) » Gnats, Gall Midges, and March Flies (Bibionomorpha) » Fungus Gnats and Gall Midges (Sciaroidea) » Gall Midges and Wood Midges (Cecidomyiidae) » Gall Midges (Cecidomyiinae) » Cecidomyiidi » Polystepha » Polystepha pilulae
Photo#222545
Gall on oak leaf - Polystepha pilulae
Copyright © 2008 John R. Maxwell

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.

Images of this individual: tag all
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
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Contributed by John R. Maxwell on 6 September, 2008 - 11:04pm
Last updated 21 October, 2011 - 11:32am

Moved
Moved from Gall Wasps.
Good call. I've only recently realized that these are sometimes nice and round, pretending to be cynipid galls.
… Charley Eiseman, 21 October, 2011 - 11:32am login or register to post comments

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.
… Charley Eiseman, 26 March, 2009 - 1:14am login or register to post comments

 
Info
Is Polystepha globosa ruled out?
… John R. Maxwell, 3 April, 2011 - 6:56pm login or register to post comments

 
I think so...
Galls of that species should be about 2 mm.
… Charley Eiseman, 3 April, 2011 - 7:01pm login or register to post comments

 
Polystepha pilulae
?
… John R. Maxwell, 21 October, 2011 - 11:30am login or register to post comments

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