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Crystalline Gall Wasp

Andricus crystallinus

Hymenoptera: Cynipidae

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Galls on scrub oak, Quercus acutidens (= Quercus berberidifolia). Laguna Coast Wilderness Park, Orange County, CA. 6/6/10. © Peter J. Bryant
The same galls on scrub oak, Quercus acutidens (= Quercus berberidifolia). Laguna Coast Wilderness Park, Orange County, CA. 6/12/10. © Peter J. Bryant

The same galls on scrub oak, Quercus acutidens (= Quercus berberidifolia). Laguna Coast Wilderness Park, Orange County, CA. 6/24/10. © Peter J. Bryant

The same galls on scrub oak, Quercus acutidens (= Quercus berberidifolia). Laguna Coast Wilderness Park, Orange County, CA. 6/29/10. © Peter J. Bryant