American Emerald (Cordulia shurtleffii), male.
7/4/04, Summit Lake, Lassen National Park, Shasta County, CA.
American Emerald, male.
7/4/04, Summit Lake, Lassen National Park, Shasta County, CA.
American Emerald, young male.
6/17/04, near McCowan Lake, Tehama County, CA.
American Emerald, young female.
6/17/04, near McCowan Lake, Tehama County, CA.
American Emerald, in wheel.
7/4/04, Summit Lake, Lassen National Park, Shasta County, CA.
American Emerald, in wheel (rotated 90 degrees clockwise).
7/4/04, Summit Lake, Lassen National Park, Shasta County, CA.