Photo 37295167, (c) Ana Elsner, some rights reserved (CC BY-NC), uploaded by Ana Elsner

Attribution © Ana Elsner some rights reserved Uploaded by sennesand Source iNaturalist Associated observations Photos / Sounds 2 photos What Gouty Stem Gall Wasp (Callirhytis quercussuttoni) Observer sennesand Date April 29, 2019 01:57 PM PDT Place Presidio of San Francisco, San Francisco, CA, USA (Google, OSM) Date Added April 29, 2019 07:37 PM PDT Description So totally cool ... These ones were empty: All the wasps had left their nursery! 1 comment 3 IDs Research Grade View Sizes small medium large original