Photo 99937590, (c) Franco Folini, some rights reserved (CC BY), uploaded by Franco Folini

Attribution © Franco Folini some rights reserved Uploaded by folini Source iNaturalist Associated observations Photos / Sounds What Willow Apple Gall Sawfly (Euura californica) Observer folini Date October 11, 2020 05:22 PM PDT Place Orinda, CA 94563, USA (Google, OSM) Date Added October 12, 2020 08:12 AM CEST 1 ID Needs ID View Sizes small medium large original