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Photo#1730655
Sun-like saucer gall - Andricus gigas

Sun-like saucer gall - Andricus gigas
Moses Spring Trail, Pinnacles National Park, San Benito County, California, USA
September 15, 2019
Leaf gall of the cynipid wasp Andricus gigas on Blue Oak (Quercus douglasii).

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Sun-like saucer gall - Andricus gigas Sun-like saucer gall - Andricus gigas