Hymenoptera: Cynipidae
Pink Bow Tie Gall Wasp
Las Trampas Regional Park, Contra Costa County, California
September 9, 2007

The Pink Bow Tie Gall Wasp appears in Ron Russo's Field Guide to Plant Galls of California and other Western States but has not yet been scientifically described. These galls are on Quercus berberidifolia (scrub oak).