Unknown #17
Spindle-gall wasp
[Page 145--plate 204]
Hosts: Quercus palmeri
Single, monothalamous, axillary bud galls on Palmer's oak stems. Galls are smooth or slightly mealy-granular and green when fresh.
Range: Owen's Peak Wilderness and Santa Rosa Mountains CA
”- Russo, Ronald A. : (2021) Plant Galls of the Western United States©