Photo 868957, (c) kevinhintsa, some rights reserved (CC BY-NC), uploaded by kevinhintsa

Attribution © kevinhintsa some rights reserved Uploaded by kevinhintsa Source iNaturalist Associated observations Photos / Sounds What Grappletail (Octogomphus specularis) Observer kevinhintsa Date June 12, 2012 12:37 PM PDT Place Mitchell Canyon at Mount Diablo , CA (Google, OSM) Date Added May 21, 2014 08:25 PM PDT Description On rock in Mitchell Creek . 2 IDs Research Grade View Sizes small medium large original