[Butterflies of the Columbia River Gorge of Oregon and Washington]
Rocky Mt. Dotted Blue

Euphilotes ancilla columbiae

Rocky Mt. Dotted Blue: Euphilotes ancilla columbiae

Close-up photo of what might be a Rocky Mountain dotted blue on northern buckwheat (Eriogonum compositum var. compositum) as seen near Grayback Mt in the upper Klickitat River drainage.................June 1, 2010.
Paul Slichter