Callirhytis perdens (Hymenoptera: Cynipidae) Ruptured Twig Gall Wasp La Honda, San Mateo County, California November 12, 2017 Stem cut away showing one larval chamber of the gall inducer wasp. Host is Quercus agrifolia.
Stem cut away showing one larval chamber of the gall inducer wasp. Host is Quercus agrifolia.