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Andricus discularis
2222_2628 Photo added 2014-06-04

Andricus discularis (Hymenoptera: Cynipidae)
Magalia, Butte County, California
October 27, 2012

Identification was done by comparing this gall with specimens at the California Academy of Sciences, and by reading Lewis Weld's original 1926 description of this gall. Weld's type specimens are from Sequoia National Park. This gall measures about 5mm in diameter. Host is Quercus garryana.

all photos and text © Joyce Gross