Feron crystallinum (Hymenoptera: Cynipidae) Crystalline Gall Wasp Mt Diablo State Park, Contra Costa County, California September 8, 2007 On Quercus douglasii (blue oak). A parasitoid wasp is preparing to insert her ovipositor into one of the galls to lay an egg. Her her larva will develop in the gall.
On Quercus douglasii (blue oak). A parasitoid wasp is preparing to insert her ovipositor into one of the galls to lay an egg. Her her larva will develop in the gall.