Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Photo#1019145
Andricus quercuslanigera

Andricus quercuslanigera
William Land Park, Sacramento, Sacramento County, California, USA
October 13, 2014
I think this is on Quercus virginiana, I doubt it was a native oak.

Images of this individual: tag all
Andricus quercuslanigera Andricus quercuslanigera Andricus quercuslanigera Andricus quercuslanigera Andricus quercuslanigera Andricus quercuslanigera Andricus quercuslanigera Andricus quercuslanigera

Host plant...
...confirmed as Q. virginiana on plant image page by Joyce Gross:

"Yes, it looks like Quercus virginiana. You id'd the gall wasp correctly too." - Joyce Gross, 22 November, 2014 - 11:55pm