On the underside of wild rose leaf
Gall on Quercus robur. Iona Island, Richmond, BC, Canada
Gall on Rosa. Bear Creek Provincial Park, Okanagan Lake, BC, Canada
Piper Spit, Burnaby Lake, Burnaby, BC, Canada
Piper Spit, Burnaby Lake, Burnaby, BC, Canada
Twig galls on bur oak