On Quercus garryana tended by European paper wasp.
Galls on leaf of OR white oak
I saw this on several old brown leaves, but couldn’t find any on green leaves
on Blue Oak
on blue oak; same individual as in https://www.inaturalist.org/observations/209030724
Gall on Blue Oak
Gall on Blue Oak
Emerged from F. pattersonae gall
On Q. douglasii.
On Coast Live Oak.
Coast live oak
Blue Oak; Unknown q-dumosa-lower-leaf-teardrop-gall
Blue Oak
Coast Live Oak
My backyard Coffeeberry continues to support this midge gall.