| Oeneis chryxus, Oeneis, Oeneis bore, Satyrinae|
Oeneis tanana is a species of butterfly, a member of the Satyrinae. It occurs in Alaska. It is speculated to be a hybrid species of Oeneis bore and O. chryxus.
Oeneis tanana Wikipedia
It occurs only in the Tanana River valley area of Alaska. This valley, or part of it, was a glacial refugium during the last ice age. O. tanana inhabits clearings in boreal spruce forests.
Speculated to be grasses and sedges.
Unknown, but related species sip nectar.
Adults are on the wing between mid May and early July, but mostly mid June. It takes two seasonal cycles for the caterpillars to completely develop. Adults are only found during odd numbered years.