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Grahamstoneia humboldti (Hymenoptera: Cynipidae) Off Hwy 4 at Vista Point 2 miles east of Sky High, Calaveras County, California November 24, 2007 Bud gall on Quercus vacciniifolia (huckleberry oak).
Bud gall on Quercus vacciniifolia (huckleberry oak).
