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Photo#145075
Crystalline Gall Wasp - Feron crystallinum - female

Crystalline Gall Wasp - Feron crystallinum - Female
Sunol Regional Park, Sunol, Alameda County, California, USA
October 7, 2006
Size: 25mm longest length
A small mass of Andricus crystallinus galls on Quercus douglasii (blue oak).
Also on this leaf are two other species of cynipid galls:
Andricus atrimentus (Striped Volcano Gall Wasp) and Liodora pattersonae (Plate Gall Wasp)