Echo Blue from the Washington Park Arboretum BioBlitz - Celastrina echo -
Seattle, King County, Washington, USA May 11, 2013 Size: 3 cm wingspan
Dorsal view
This specimen is from the 2013 Washington Park Arboretum BioBlitz.
David James and David Nunnallee state in Life Histories of Cascadia Butterflies on pg. 190 that Celastrina echo echo is the only Celastrina found W of the Cascades.