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