Antron douglasii (Hymenoptera: Cynipidae)
Spined Turban Gall Wasp
Oak Flat Campground, Clear Creek Management Area, San Benito County, California
May 7, 2021

Spring/bisexual generation gall. The walls of these galls are succulent and quickly dry and shrivel after the wasp has exited (or if the wasp has died). Host is Quercus douglasii (blue oak).