Photo 6744616, (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 4 photos What Canadian Willowfly (Oemopteryx glacialis) Observer e-aus-kanada Date March 2017 Place York, CA-NB, CA (Google, OSM) Date Added March 27, 2017 09:47 AM ADT Description IDed based on wings and comments here: http://bugguide.net/node/view/98315/bgimage Submitted to BugGuide. Corrections welcomed. 1 comment 2 IDs Research Grade View Sizes small medium large original Copyright