Epargyreus clarus -Silver-spotted Skipper Urbanus proteus -Long-tailed Skipper Achalarus lyciades -Hoary Edge Thorybes bathyllus -Southern Cloudywing Thorybes pylades -Northern Cloudywing Staphylus hayhurstii -Hayhurst's Scallopwing
Genus Erynnis - Duskywings Erynnis icelus -Dreamy Duskywing Erynnis brizo -Sleepy Duskywing Erynnis juvenalis -Juvenal's Duskywing Erynnis propertius -Propertius Duskywing Erynnis horatius -Horace's Duskywing Erynnis martialis -Mottled Duskywing Erynnis pacuvius -Pacuvius Duskywing Erynnis zarucco -Zarucco Duskywing Erynnis funeralis -Funereal Duskywing Erynnis lucilius -Columbine Duskywing Erynnis baptisiae -Wild Indigo Duskywing Erynnis afranius -Afranius Duskywing Erynnis persius -Persius Duskywing
Pyrgus centaureae -Grizzled Skipper Pyrgus ruralis -Two-banded Checkered Skipper Pyrgus scriptura -Small Checkered Skipper Pyrgus communis -Common Checkered Skipper Pholisora catullus -Common Sootywing
Lerema accius -Clouded Skipper Ancyloxypha numitor -Least Skipper Oarisma poweshiek -Poweshiek Skipperling Oarisma garita -Garita Skipperling Thymelicus lineola -European Skipper Hylephila phyleus -Fiery Skipper
Genus Hesperia - Branded Skippers Hesperia uncas -Uncas Skipper Hesperia juba -Juba Skipper Hesperia comma -Common Branded Skipper Hesperia colorado -Western Branded Skipper Hesperia assiniboia -Plains Skipper Hesperia ottoe -Ottoe Skipper Hesperia leonardus -Leonard's Skipper Hesperia pahaska -Pahaska Skipper Hesperia dacotae -Dakota Skipper Hesperia sassacus -Indian Skipper Hesperia nevada -Nevada Skipper
Polites peckius -Peck's Skipper Polites sabuleti -Sandhill Skipper Polites draco -Draco Skipper Polites themistocles -Tawny-edged Skipper Polites origenes -Crossline Skipper Polites mystic -Long Dash Skipper Polites rhesus -Rhesus Skipper Polites sonora -Sonoran Skipper Polites vibex -Whirlabout Wallengrenia egeremet -Northern Broken-Dash Pompeius verna -Little Glassywing Atalopedes campestris -Sachem Anatrytone logan -Delaware Skipper Ochlodes sylvanoides -Woodland Skipper Poanes massasoit -Mulberry Wing Poanes hobomok -Hobomok Skipper Poanes zabulon -Zabulon Skipper Poanes viator -Broad-winged Skipper Euphyes dion -Dion Skipper Euphyes dukesi -Dukes' Skipper Euphyes conspicua -Black Dash Euphyes bimacula -Two-spotted Skipper Euphyes vestris -Dun Skipper Atrytonopsis hianna -Dusted Skipper Amblyscirtes simius -Simius Roadside Skipper Amblyscirtes oslari -Oslar's Roadside Skipper Amblyscirtes hegon -Pepper and Salt Skipper Amblyscirtes vialis -Common Roadside Skipper Calpodes ethlius -Brazilian Skipper Panoquina ocola -Ocola Skipper
Parnassius eversmanni -Eversmann's Parnassian Parnassius clodius -Clodius Parnassian Parnassius phoebus -Phoebus Parnassian Parnassius smintheus -Rocky Mountain Parnassian
Battus philenor -Pipevine Swallowtail Eurytides marcellus -Zebra Swallowtail Papilio polyxenes -Black Swallowtail Papilio brevicauda -Short-tailed Swallowtail Papilio machaon -Old World Swallowtail Papilio zelicaon -Anise Swallowtail Papilio indra -Indra Swallowtail Papilio cresphontes -Giant Swallowtail Papilio glaucus -Eastern Tiger Swallowtail Papilio canadensis -Canadian Tiger Swallowtail Papilio rutulus -Western Tiger Swallowtail Papilio multicaudatus -Two-tailed Swallowtail Papilio eurymedon -Pale Swallowtail Papilio troilus -Spicebush Swallowtail
Neophasia menapia -Pine White Pontia beckerii -Becker's White Pontia sisymbrii -Spring White Pontia protodice -Checkered White Pontia occidentalis -Western White Pieris angelika -Arctic White Pieris marginalis -Margined White Pieris oleracea -Mustard White Pieris virginiensis -West Virginia White Pieris rapae -Cabbage White Ascia monuste -Great Southern White Euchloe ausonides -Large Marble Euchloe naina -Green Marble Euchloe creusa -Northern Marble Euchloe lotta -Desert Marble Euchloe olympia -Olympia Marble Anthocharis sara -Pacific Orangetip Anthocharis stella -Stella Orangetip
Colias philodice -Clouded Sulphur Colias eurytheme -Orange Sulphur Colias occidentalis -Western Sulphur Colias alexandra -Queen Alexandra's Sulphur Colias christina -Christina Sulphur Colias meadii -Mead's Sulphur Colias johanseni -Johansen's Sulphur Colias hecla -Hecla Sulphur Colias tyche -Booth's Sulphur Colias canadensis -Canada Sulphur Colias nastes -Labrador Sulphur Colias gigantea -Giant Sulphur Colias pelidne -Pelidne Sulphur Colias interior -Pink-edged Sulphur Colias chippewa -Heath Sulphur Zerene cesonia -Southern Dogface Phoebis sennae -Cloudless Sulphur Phoebis philea -Orange-barred Sulphur Eurema mexicanum -Mexican Yellow Eurema lisa -Little Yellow Eurema nicippe -Sleepy Orange Nathalis iole -Dainty Sulphur
Feniseca tarquinius -Harvester
Lycaena phlaeas -American Copper Lycaena cuprea -Lustrous Copper Lycaena dione -Grey Copper Lycaena hyllus -Bronze Copper Lycaena rubida -Ruddy Copper Lycaena heteronea -Blue Copper Lycaena epixanthe -Bog Copper Lycaena dorcas -Dorcas Copper Lycaena dospassosi -Maritime Copper Lycaena helloides -Purplish Copper Lycaena nivalis -Lilac-bordered Copper Lycaena mariposa -Mariposa Copper
Satyrium behrii -Behr's Hairstreak Satyrium fuliginosum -Sooty Hairstreak Satyrium acadicum -Acadian Hairstreak Satyrium californicum -California Hairstreak Satyrium sylvinum -Sylvan Hairstreak Satyrium titus -Coral Hairstreak Satyrium edwardsii -Edwards' Hairstreak Satyrium calanus -Banded Hairstreak Satyrium caryaevorum -Hickory Hairstreak Satyrium liparops -Striped Hairstreak Satyrium saepium -Hedgerow Hairstreak Fixsenia favonius -Southern Hairstreak Calycopis cecrops -Red-banded Hairstreak Callophrys affinis -Western Green Hairstreak Callophrys sheridanii -Sheridan's Hairstreak Callophrys spinetorum -Thicket Hairstreak Callophrys johnsoni -Johnson's Hairstreak Callophrys rosneri -Rosner's Hairstreak Callophrys barryi -Barry's Hairstreak Callophrys grynea -Juniper Hairstreak Callophrys augustinus -Brown Elfin Callophrys mossii -Moss's Elfin Callophrys polia -Hoary Elfin Callophrys irus -Frosted Elfin Callophrys henrici -Henry's Elfin Callophrys lanoraieensis -Bog Elfin Callophrys niphon -Eastern Pine Elfin Callophrys eryphon -Western Pine Elfin Parrhasius m-album -White-M Hairstreak Strymon melinus -Grey Hairstreak Erora laeta -Early Hairstreak
Leptotes marina -Marine Blue Hemiargus isola -Reakirt's Blue Everes comyntas -Eastern Tailed Blue Everes amyntula -Western Tailed Blue Celastrina ladon -Spring Azure Celastrina neglecta -Summer Azure Celastrina sp. -Cherry Gall Azure Euphilotes battoides -Square-spotted Blue Euphilotes ancilla -Rocky Mountain Dotted Blue Glaucopsyche piasus -Arrowhead Blue Glaucopsyche lygdamus -Silvery Blue Lycaeides idas -Northern Blue Lycaeides melissa -Melissa Blue Plebejus saepiolus -Greenish Blue Icaricia icarioides -Boisduval's Blue Icaricia shasta -Shasta Blue Icaricia lupini -Lupine Blue Vacciniina optilete -Cranberry Blue Agriades glandon -Arctic Blue
Libytheana carinenta -American Snout
Agraulis vanillae -Gulf Fritillary
Euptoieta claudia -Variegated Fritillary Euptoieta hegesia -Mexican Fritillary Speyeria cybele -Great Spangled Fritillary Speyeria aphrodite -Aphrodite Fritillary Speyeria idalia -Regal Fritillary Speyeria edwardsii -Edwards' Fritillary Speyeria coronis -Coronis Fritillary Speyeria zerene -Zerene Fritillary Speyeria callippe -Callippe Fritillary Speyeria atlantis -Atlantis Fritillary Speyeria hesperis -Northwestern Fritillary Speyeria hydaspe -Hydaspe Fritillary Speyeria mormonia -Mormon Fritillary Boloria napaea -Mountain Fritillary Boloria eunomia -Bog Fritillary Boloria selene -Silver-bordered Fritillary Boloria bellona -Meadow Fritillary Boloria frigga -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
Chlosyne gorgone -Gorgone Checkerspot Chlosyne nycteis -Silvery Checkerspot Chlosyne harrisii -Harris's Checkerspot Chlosyne palla -Northern Checkerspot Chlosyne acastus -Sagebrush Checkerspot Chlosyne damoetas -Damoetas Checkerspot Chlosyne hoffmanni -Hoffmann's Checkerspot Phyciodes tharos -Pearl Crescent Phyciodes cocyta -Northern Crescent Phyciodes batesii -Tawny Crescent Phyciodes pratensis -Field Crescent Phyciodes pallidus -Pale Crescent Phyciodes mylitta -Mylitta Crescent Euphydryas gillettii -Gillette's Checkerspot Euphydryas chalcedona -Variable Checkerspot Euphydryas editha -Edith's Checkerspot Euphydryas phaeton -Baltimore Checkerspot
Genus Polygonia - Anglewings 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
Limenitis arthemis -White Admiral, Red-spotted Purple Limenitis archippus -Viceroy Limenitis weidemeyerii -Weidemeyer's Admiral Limenitis lorquini -Lorquin's Admiral
Asterocampa celtis -Hackberry Emperor Asterocampa clyton -Tawny Emperor
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
Genus Erebia - Alpines 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
Genus Oeneis - Arctics Oeneis nevadensis -Great Arctic Oeneis macounii -Macoun's Arctic Oeneis chryxus -Chryxus Arctic Oeneis uhleri -Uhler's Arctic Oeneis alberta -Alberta Arctic Oeneis bore -White-Veined Arctic Oeneis jutta -Jutta Arctic Oeneis melissa -Melissa Arctic Oeneis polixenes -Polixenes Arctic Oeneis rosovi -Philip's Arctic Oeneis alpina -Sentinel Arctic
Danaus plexippus -Monarch
Reproduced with permission from The Butterflies of Canada by Ross A. Layberry, Peter W. Hall, and J. Donald Lafontaine. University of Toronto Press; 1998.
