Unknown #13
Bowl-gall wasp
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Hosts: Quercus garryana
Pink, bowl-shaped monothalamous summer galls on the underside of leaves of Oregon oak. Galls occur between lateral veins and measure 4 mm wide by 2-3 mm high.
Range: Calistoga and Sugar Leaf Mountain areas of Northern CA
”- Russo, Ronald A. : (2021) Plant Galls of the Western United States©