Photo 6894690, (c) Noreen Weeden, all rights reserved, uploaded by Noreen Weeden

Attribution © Noreen Weeden all rights reserved Uploaded by noreenweeden Source iNaturalist Associated observations Photos / Sounds What Typical Hover Flies (Subfamily Syrphinae) Observer noreenweeden Date April 5, 2017 02:07 PM PDT Place 8442-8446 Treasure Island Road San Francisco, CA 94130 (Google, OSM) Date Added April 5, 2017 09:08 PM UTC 2 IDs Needs ID View Sizes small medium large original