Callirhytis eldoradensis [unisexual generation]
Twigs contained green spherical bud galls about four mm in diameter with white basal hairs. The galls abort the apical meristem and are surrounded basally by the bud scales.
Host:
Quercus wislizenii
- D C Dailey, T Perry, C M Sprenger: (1974) Biology of three Callirhytis gall wasps from Pacific slope Erythrobalanus oaks (Hymenoptera: Cynipidae)©
Reference: https://www.biodiversitylibrary.org/page/53913195#page/62/mode/1up