Diplolepis ashmeadi (Beut.).
Rosa spp.
Stem swellings
Fig 189. Fusiform, 4-7 mm by 20-30 mm. On Rosa nutkana. Type from Corvallis OR
Fig 189. From Beutenmueller's original figures. On Rosa nutkana. Types from Corvallis, Oreg. He reared adults from late February to early April. Galls were seen at Waitsburg, Wash.
”- LH Weld: (1957) Cynipid Galls of the Pacific Slope©
Reference: https://babel.hathitrust.org/cgi/pt?id=coo.31924018313555&view=1up&seq=89