[Crescents East of the Cascade Mountains of Oregon and Washington]

The photo above shows a close-up view of the dorsal wing surfaces of what appears to be a mylitta crescent as seen mudding on moist slopes above the Snake River along the trail between Buckhorn Lookout and Eureka Bar in Wallowa-Whitman N.F..........June 27, 2008.

The photo above shows a close-up view of the ventral wing surfaces of what appears to be a mylitta crescent as seen mudding on moist slopes above the Snake River along the trail between Buckhorn Lookout and Eureka Bar in Wallowa-Whitman N.F.........June 27, 2008.

The photo above shows a close-up view of the ventral wing surfaces of what appears to be a mylitta crescent as seen mudding on moist slopes above the Snake River along the trail between Buckhorn Lookout and Eureka Bar in Wallowa-Whitman N.F..........June 27, 2008.

The photo above shows what might be a mylitta crescent as seen along the Deschutes River near Sherar Bridge in north-central Oregon..........March 24, 2007.

What appears to be a mylitta crescent in Sourdough Gulch, Asotin Wildlife Area, Asotin County, WA..........June 3, 2017.