Photo 4652831, (c) Matt Brady, all rights reserved, uploaded by Matt Brady

Attribution © Matt Brady all rights reserved Uploaded by cypseloides Source iNaturalist Associated observations Photos / Sounds What Persius Duskywing (Erynnis persius) Observer cypseloides Date June 4, 2010 08:49 AM PDT Place Forest Route 2S01, Stanislaus National Forest, Tuolumne County, CA, USA (Google, OSM) Date Added August 23, 2016 03:25 PM MDT Description Mariposa Co., CA - 4 June, 2010 2 IDs Research Grade View Sizes small medium large original