Honeydew Gall Wasps (Disholcaspis eldoradensis) form stem galls on several oak species. While the larvae feed, the galls exude a sweet sap that attracts ants and yellow jackets—providing an important late-summer honeydew source when other foods are scarce.

#Nature #Wildlife #California #LearnAboutNature #DiscoverGalls #GallWasps #CynipidWasps #OakGalls