Photo 6290747, (c) Eric Knopf, some rights reserved (CC BY-NC), uploaded by Eric Knopf

Attribution © Eric Knopf some rights reserved Uploaded by e-aus-kanada Source iNaturalist Associated observations Photos / Sounds What Goldenrod Gall Fly (Eurosta solidaginis) Observer e-aus-kanada Date July 2016 Place Private Date Added February 15, 2017 05:28 PM AST 2 IDs Research Grade View Sizes small medium large original Copyright