Photo 44081746, (c) Christian Grenier, some rights reserved (CC BY-NC), uploaded by Christian Grenier

Attribution © Christian Grenier some rights reserved Uploaded by krisskinou Source iNaturalist Associated observations Photos / Sounds 7 photos What Thistle Stem Gall Fly (Urophora cardui) Observer krisskinou Date June 30, 2019 07:43 AM ADT Place Charlesbourg, Québec, QC, Canada (Google, OSM) Date Added July 6, 2019 07:44 AM EDT 2 IDs Research Grade View Sizes small medium large original