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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » 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 » Asphondyliini » Polystepha
Photo#615521
galls on Red Oak - Polystepha
Copyright © 2012 Ilona L.

galls on Red Oak - Polystepha
Cross Plains, Dane County, Wisconsin, USA
October 15, 2011
Just a guess but could this be Polystepha globosa? Galls were found on the underside of the Oak leaf.

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galls on Red Oak - Polystepha galls on Red Oak - Polystepha
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Contributed by Ilona L. on 22 February, 2012 - 1:02pm
Last updated 16 January, 2017 - 4:11pm

Moved
Moved from Unidentified Galls.
… Charley Eiseman, 16 January, 2017 - 1:30pm login or register to post comments

Host plant...
... as you indicated on other photo, is Red Oak (Quercus rubra).
… John Pearson, 29 February, 2012 - 12:09pm login or register to post comments

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