Silvery Blue, we believe

Subject:  butterfly
Geographic location of the bug:  lane county oregon
Date: 09/20/2017
Time: 07:44 PM EDT
Rocky cliff face by a large reservoir in full sun April 28
How you want your letter signed:  Dave Stone

Probably Silvery Blue

Dear Dave,
This looks to us like a Silvery Blue,
Glaucopsyche lygdamus, a species that is pictured on BugGuide.

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