Dryocosmus minusculus (Hymenoptera: Cynipidae) Pumpkin Gall Wasp Anthony Chabot Regional Park, Alameda County, California September 1, 2006 Galls are on top surface of a Quercus agrifolia (coast live oak) leaf. Gall sizes are approximately .5 - 1.5 mm.
Galls are on top surface of a Quercus agrifolia (coast live oak) leaf. Gall sizes are approximately .5 - 1.5 mm.