Quercus lobata
Leaf galls, integral
Erect, tubular, green, cell at very base. May. Fig 180.
Fig 180. Unknown. On leaf of Q. lobata. Green, cylindrical, hollow with the larval cell at the very base. May and June.
”- LH Weld: (1957) Cynipid Galls of the Pacific Slope©
Reference: https://babel.hathitrust.org/cgi/pt?id=coo.31924018313555&view=1up&seq=88