– Frigga fritillary Boloria improba – dingy fritillary Boloria epithore – Pacific fritillary Boloria polaris – Polaris fritillary Boloria freija – Freija fritillary Boloria natazhati – Beringian fritillary Boloria alberta – Alberta fritillary Boloria astarte – Astarte fritillary Boloria chariclea – Arctic fritillary Subfamily Nymphalinae – anglewings, tortoiseshells, ladies, checkerspots and crescents Polygonia interrogationis – question mark Polygonia comma – eastern comma Polygonia satyrus – satyr comma Polygonia faunus – green comma Polygonia gracilis – hoary comma Polygonia oreas – oreas comma Polygonia progne – grey comma Nymphalis vaualbum – Compton tortoiseshell Nymphalis californica – California tortoiseshell Nymphalis antiopa – mourning cloak Nymphalis milberti – Milbert's tortoiseshell Vanessa virginiensis – American lady Vanessa cardui – painted lady Vanessa annabella – West Coast lady Vanessa atalanta – red admiral Junonia coenia – common buckeye Chlosyne gorgone – gorgone checkerspot Chlosyne nycteis – silvery checkerspot Chlosyne harrisii – Harris's checkerspot Chlosyne palla – northern checkerspot Chlosyne acastus – sagebrush checkerspot Chlosyne hoffmanni – Hoffmann's checkerspot Phyciodes tharos – pearl crescent Phyciodes cocyta – northern crescent Phyciodes batesii – tawny crescent Phyciodes pallida – pale crescent Phyciodes pulchella – field crescent Phyciodes mylitta – mylitta crescent Euphydryas gillettii – Gillette's checkerspot Euphydryas chalcedona – variable checkerspot Euphydryas editha – Edith's checkerspot Euphydryas phaeton – Baltimore checkerspot Subfamily Limenitidinae – admirals Limenitis arthemis – white admiral, red-spotted purple Limenitis archippus – viceroy Limenitis weidemeyerii – Weidemeyer's admiral Limenitis lorquini – Lorquin's admiral Subfamily Apaturinae – emperors Asterocampa celtis – hackberry emperor Asterocampa clyton – tawny emperor Subfamily Satyrinae – satyrs and wood-nymphs Enodia anthedon – northern pearly-eye Satyrodes eurydice – eyed brown Satyrodes appalachia – Appalachian brown Megisto cymela – little wood-satyr Coenonympha tullia – common ringlet Coenonympha nipisiquit – maritime ringlet Cercyonis pegala – common wood-nymph Cercyonis sthenele – Great Basin wood-nymph Cercyonis oetus – small wood-nymph Erebia vidleri – Vidler's alpine Erebia rossii – Ross's alpine Erebia disa – Disa alpine Erebia mancinus – taiga alpine Erebia magdalena – Magdalena alpine Erebia mackinleyensis – Mt. McKinley alpine Erebia fasciata – banded alpine Erebia discoidalis – red-disked alpine Erebia pawlowskii – yellow-dotted alpine Erebia youngi – four-dotted alpine Erebia anyuica – scree alpine Erebia lafontainei – reddish alpine Erebia epipsodea – common alpine Neominois ridingsii – Ridings' satyr Oeneis nevadensis – great arctic Oeneis macounii – Macoun's arctic or Canada arctic Oeneis chryxus – chryxus arctic or brown arctic Oeneis uhleri – Uhler's