Glaucopsyche lygdamus columbia (Skinner, 1917), male - The Silvery Blue Dragonfly Bend, Eugene, OR, May 14, 2010, on Forget Me Not © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917), male - The Silvery Blue Dragonfly Bend, Eugene, OR, May 8, 2009 © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917), male - The Silvery Blue Dragonfly Bend, Eugene, OR, May 8, 2009 © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917) - The Silvery Blue Briggs Farm, Eugene, OR, April 23, 2010, on Cerastium glomeratum (Thuillier, 1799) - Annual Mouse-eared Chickweed aka Sticky Mouse-ear Chickweed © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917), ?male - The Silvery Blue Briggs Farm, Eugene, OR, May 14, 2010 © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917), in copula - The Silvery Blue Jasper Lowell Rd., Jasper, OR, April 6, 2007 © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917), female - The Silvery Blue Fairview Peak, Lane Co., OR, July 11, 2009 © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917), female - The Silvery Blue Fairview Peak, Lane Co., OR, July 11, 2009 © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917), female - The Silvery Blue Dragonfly Bend, Eugene, OR, May 14, 2010 © Donald H. Gudehus

Glaucopsyche lygdamus columbia (Skinner, 1917), female laying egg - The Silvery Blue Fairview Peak, Lane Co., OR, July 21, 2012 © Donald H. Gudehus