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Disholcaspis mellifica (Hymenoptera: Cynipidae) Twig Gall Wasp South of Conn Dam, Napa County, California October 26, 2009 On Quercus durata (leather oak). Prenolepis imparis (False Honey Ants) are eating honeydew secreted by the gall.
On Quercus durata (leather oak). Prenolepis imparis (False Honey Ants) are eating honeydew secreted by the gall.