Quercus douglasii, dumosa, engelmanii, garryana
Leaf galls, integral
Small lenticular thickening in leaf blade, two exit holes above. Fig 142.
Fig 142. Q: dumosa, durata [sic], douglasii, garryana • Exit holes on upper side of leaf.
”- LH Weld: (1957) Cynipid Galls of the Pacific Slope©
Reference: https://babel.hathitrust.org/cgi/pt?id=coo.31924018313555&view=1up&seq=86