Callirhytis eldoradensis (sexgen)

Callirhytis eldoradensis (agamic)

Callirhytis perfoveata (sexgen)

Callirhytis eldoradensis [bisexual generation] emerges from integral acorn hull galls in aborted acorns. 

Host:
Q. wislizenii


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

Callirhytis perfoveata 

The green, nearly spherical, succulent, monothalamous integral leaf galls (Figs. 5 & 6) were noted by the senior author in the new growth of Q. wislizenii at Folsom Lake, Placer Co., California.



Biology of three Callirhytis gall wasps from Pacific slope Erythrobalanus oaks (Hymenoptera: Cynipidae)