Denotes entries with color photo(s)
Denotes entries containing textual species accounts

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Families

• Swallowtails (Family Papilionidae)
• Whites and Sulphurs (Family Pieridae)
• Gossamer-wing Butterflies (Family Lycaenidae)
• Metalmarks (Family Riodinidae)
• Brush-footed Butterflies (Family Nymphalidae)
• Skippers (Family Hesperiidae)

Swallowtails (Family Papilionidae)

Parnassians (Subfamily Parnassiinae)

Rocky Mountain Parnassian (Parnassius smintheus)

Swallowtails (Subfamily Papilioninae)

Pipevine Swallowtail (Battus philenor)

Polydamas Swallowtail (Battus polydamas)

Black Swallowtail (Papilio polyxenes)

Old World Swallowtail (Papilio machaon)

Anise Swallowtail (Papilio zelicaon)

Indra Swallowtail (Papilio indra)

Giant Swallowtail (Papilio cresphontes)

Ornythion Swallowtail (Papilio ornythion)

Western Tiger Swallowtail (Papilio rutulus)

Two-tailed Swallowtail (Papilio multicaudata)

Pale Swallowtail (Papilio eurymedon)

Palamedes Swallowtail (Papilio palamedes)

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Whites and Sulphurs (Family Pieridae)

Whites (Subfamily Pierinae)

Pine White (Neophasia menapia)

Chiricahua White (Neophasia terlootii)

Florida White (Appias drusilla)

Becker's White (Pontia beckerii)

Spring White (Pontia sisymbrii)

Checkered White (Pontia protodice)

Western White (Pontia occidentalis)

Margined White (Pieris marginalis)

Cabbage White (Pieris rapae)

Great Southern White (Ascia monuste)

Giant White (Ganyra josephina)

Large Marble (Euchloe ausonides)

Desert Marble (Euchloe lotta)

Olympia Marble (Euchloe olympia)

Desert Orangetip (Anthocharis cethura)

Southern Rocky Mountain Orangetip (Anthocharis julia)

Southwestern Orangetip (Anthocharis thoosa)

Sulphurs (Subfamily Coliadinae)

Clouded Sulphur (Colias philodice)

Orange Sulphur (Colias eurytheme)

Queen Alexandra's Sulphur (Colias alexandra)

Mead's Sulphur (Colias meadii)

Scudder's Sulphur (Colias scudderi)

Southern Dogface (Zerene cesonia)

White Angled-Sulphur (Anteos clorinde)

Yellow Angled-Sulphur (Anteos maerula)

Cloudless Sulphur (Phoebis sennae)

Orange-barred Sulphur (Phoebis philea)

Large Orange Sulphur (Phoebis agarithe)

Statira Sulphur (Phoebis statira)

Lyside Sulphur (Kricogonia lyside)

Barred Yellow (Eurema daira)

Boisduval's Yellow (Eurema boisduvaliana)

Mexican Yellow (Eurema mexicana)

Tailed Orange (Eurema proterpia)

Little Yellow (Eurema lisa)

Mimosa Yellow (Eurema nise)

Sleepy Orange (Eurema nicippe)

Dainty Sulphur (Nathalis iole)

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Gossamer-wing Butterflies (Family Lycaenidae)

Coppers (Subfamily Lycaeninae)

Tailed Copper (Lycaena arota)

American Copper (Lycaena phlaeas)

Lustrous Copper (Lycaena cupreus)

Gray Copper (Lycaena dione)

Bronze Copper (Lycaena hyllus)

Ruddy Copper (Lycaena rubidus)

Blue Copper (Lycaena heteronea)

Purplish Copper (Lycaena helloides)

Hairstreaks (Subfamily Theclinae)

Colorado Hairstreak (Hypaurotis crysalus)

Great Purple Hairstreak (Atlides halesus)

Silver-banded Hairstreak (Chlorostrymon simaethis)

Soapberry Hairstreak (Phaeostrymon alcestis)

Coral Hairstreak (Satyrium titus)

Behr's Hairstreak (Satyrium behrii)

Sylvan Hairstreak (Satyrium sylvinus)

Banded Hairstreak (Satyrium calanus)

Striped Hairstreak (Satyrium liparops)

Hedgerow Hairstreak (Satyrium saepium)

Southern Hairstreak (Fixsenia favonius)

Ilavia Hairstreak (Fixsenia ilavia)

Poling's Hairstreak (Fixsenia polingi)

Western Green Hairstreak (Callophrys affinis)

Sheridan's Green Hairstreak (Callophrys sheridani)

Xami Hairstreak (Callophrys xami)

Sandia Hairstreak (Callophrys mcfarlandi)

Brown Elfin (Callophrys augustinus)

Desert Elfin (Callophrys fotis)

Hoary Elfin (Callophrys polios)

Henry's Elfin (Callophrys henrici)

Western Pine Elfin (Callophrys eryphon)

Thicket Hairstreak (Callophrys spinetorum)

Juniper Hairstreak (Callophrys gryneus)

Gray Hairstreak (Strymon melinus)

Red-lined Scrub-Hairstreak (Strymon bebrycia)

Mallow Scrub-Hairstreak (Strymon istapa)

Leda Ministreak (Ministrymon leda)

Arizona Hairstreak (Erora quaderna)

Blues (Subfamily Polyommatinae)

Western Pygmy-Blue (Brephidium exile)

Cassius Blue (Leptotes cassius)

Marine Blue (Leptotes marina)

Cyna Blue (Zizula cyna)

Ceraunus Blue (Hemiargus ceraunus)

Reakirt's Blue (Hemiargus isola)

Eastern Tailed-Blue (Everes comyntas)

Western Tailed-Blue (Everes amyntula)

Spring Azure (Celastrina "ladon")

Western Square-dotted Blue (Euphilotes battoides)

Rocky Mountain Dotted-Blue (Euphilotes ancilla)

Rita Dotted-Blue (Euphilotes rita)

Spalding's Dotted-Blue (Euphilotes spaldingi)

Arrowhead Blue (Glaucopsyche piasus)

Silvery Blue (Glaucopsyche lygdamus)

Melissa Blue (Lycaeides melissa)

Greenish Blue (Plebeius saepiolus)

Boisduval's Blue (Plebeius icarioides)

Shasta Blue (Plebeius shasta)

Lupine Blue (Plebeius lupini)

Arctic Blue (Agriades glandon)

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Metalmarks (Family Riodinidae)

Fatal Metalmark (Calephelis nemesis)

Rawson's Metalmark (Calephelis rawsoni)

Zela Metalmark (Emesis zela)

Ares Metalmark (Emesis ares)

Mormon Metalmark (Apodemia mormo)

Mexican Metalmark (Apodemia duryi)

Palmer's Metalmark (Apodemia palmeri)

Nais Metalmark (Apodemia nais)

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Brush-footed Butterflies (Family Nymphalidae)

Snouts (Subfamily Libytheinae)

American Snout (Libytheana carinenta)

Heliconians and Fritillaries (Subfamily Heliconiinae)

Gulf Fritillary (Agraulis vanillae)

Mexican Silverspot (Dione moneta)

Isabella's Heliconian (Eueides isabella)

Zebra (Heliconius charithonius)

Variegated Fritillary (Euptoieta claudia)

Mexican Fritillary (Euptoieta hegesia)

Great Spangled Fritillary (Speyeria cybele)

Aphrodite Fritillary (Speyeria aphrodite)

Nokomis Fritillary (Speyeria nokomis)

Edwards' Fritillary (Speyeria edwardsii)

Callippe Fritillary (Speyeria callippe)

Atlantis Fritillary (Speyeria atlantis)

Northwestern Fritillary (Speyeria hesperis)

Mormon Fritillary (Speyeria mormonia)

Silver-bordered Fritillary (Boloria selene)

Freija Fritillary (Boloria freija)

Arctic Fritillary (Boloria chariclea)

True Brush-foots (Subfamily Nymphalinae)

Dotted Checkerspot (Poladryas minuta)

Theona Checkerspot (Thessalia theona)

Fulvia Checkerspot (Thessalia fulvia)

Bordered Patch (Chlosyne lacinia)

Definite Patch (Chlosyne definita)

Crimson Patch (Chlosyne janais)

Gorgone Checkerspot (Chlosyne gorgone)

Silvery Checkerspot (Chlosyne nycteis)

Northern Checkerspot (Chlosyne palla)

Sagebrush Checkerspot (Chlosyne acastus)

Tiny Checkerspot (Dymasia dymas)

Elada Checkerspot (Texola elada)

Texan Crescent (Phyciodes texana)

Vesta Crescent (Phyciodes vesta)

Phaon Crescent (Phyciodes phaon)

Pearl Crescent (Phyciodes tharos)

Northern Crescent (Phyciodes cocyta)

Tawny Crescent (Phyciodes batesii)

Field Crescent (Phyciodes pratensis)

Painted Crescent (Phyciodes picta)

Mylitta Crescent (Phyciodes mylitta)

Variable Checkerspot (Euphydryas chalcedona)

Question Mark (Polygonia interrogationis)

Eastern Comma (Polygonia comma)

Satyr Comma (Polygonia satyrus)

Green Comma (Polygonia faunus)

Hoary Comma (Polygonia gracilis)

California Tortoiseshell (Nymphalis californica)

Mourning Cloak (Nymphalis antiopa)

Milbert's Tortoiseshell (Nymphalis milberti)

American Lady (Vanessa virginiensis)

Painted Lady (Vanessa cardui)

West Coast Lady (Vanessa annabella)

Red Admiral (Vanessa atalanta)

Common Buckeye (Junonia coenia)

Tropical Buckeye (Junonia genoveva)

White Peacock (Anartia jatrophae)

Rusty-tipped Page (Siproeta epaphus)

Admirals and Relatives (Subfamily Limenitidinae)

Red-spotted Purple (Limenitis arthemis)

'Astyanax' Red-spotted Purple (Limenitis arthemis astyanax)

Viceroy (Limenitis archippus)

Weidemeyer's Admiral (Limenitis weidemeyerii)

California Sister (Adelpha bredowii)

Blackened Bluewing (Myscelia cyananthe)

Dingy Purplewing (Eunica monima)

Common Mestra (Mestra amymone)

Gray Cracker (Hamadryas februa)

Ruddy Daggerwing (Marpesia petreus)

Leafwings (Subfamily Charaxinae)

Tropical Leafwing (Anaea troglodyta)

Goatweed Leafwing (Anaea andria)

Emperors (Subfamily Apaturinae)

Hackberry Emperor (Asterocampa celtis)

Empress Leilia (Asterocampa leilia)

Tawny Emperor (Asterocampa clyton)

Satyrs (Subfamily Satyrinae)

Nabokov's Satyr (Cyllopsis pyracmon)

Canyonland Satyr (Cyllopsis pertepida)

Red Satyr (Megisto rubricata)

Common Ringlet (Coenonympha tullia)

Common Wood Nymph (Cercyonis pegala)

Mead's Wood Nymph (Cercyonis meadii)

Great Basin Wood Nymph (Cercyonis sthenele)

Small Wood Nymph (Cercyonis oetus)

Magdalena Alpine (Erebia magdalena)

Common Alpine (Erebia epipsodea)

Red-bordered Satyr (Gyrocheilus patrobas)

Ridings' Satyr (Neominois ridingsii)

Chryxus Arctic (Oeneis chryxus)

Uhler's Arctic (Oeneis uhleri)

Alberta Arctic (Oeneis alberta)

Melissa Arctic (Oeneis melissa)

Polixenes Arctic (Oeneis polixenes)

Monarchs (Subfamily Danainae)

Monarch (Danaus plexippus)

Queen (Danaus gilippus)

Soldier (Danaus eresimus)

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Skippers (Family Hesperiidae)

Firetips (Subfamily Pyrrhopyginae)

Dull Firetip (Pyrrhopyge araxes)

Spread-wing Skippers (Subfamily Pyrginae)

Silver-spotted Skipper (Epargyreus clarus)

Hammock Skipper (Polygonus leo)

White-striped Longtail (Chioides catillus)

Short-tailed Skipper (Zestusa dorus)

Arizona Skipper (Codatractus arizonensis)

Long-tailed Skipper (Urbanus proteus)

Dorantes Longtail (Urbanus dorantes)

Brown Longtail (Urbanus procne)

Golden-banded Skipper (Autochton cellus)

Desert Cloudywing (Achalarus casica)

Northern Cloudywing (Thorybes pylades)

Mexican Cloudywing (Thorybes mexicana)

Drusius Cloudywing (Thorybes drusius)

Acacia Skipper (Cogia hippalus)

Caicus Skipper (Cogia caicus)

Golden-headed Scallopwing (Staphylus ceos)

Glassy-winged Skipper (Xenophanes tryxus)

No Common Name (Antigonus emorsus)

Texas Powdered Skipper (Systasea pulverulenta)

Arizona Powdered Skipper (Systasea zampa)

Hermit Skipper (Grais stigmatica)

Brown-banded Skipper (Timochares ruptifasciatus)

White-patched Skipper (Chiomara georgina)

Dreamy Duskywing (Erynnis icelus)

Sleepy Duskywing (Erynnis brizo)

Juvenal's Duskywing (Erynnis juvenalis)

Rocky Mountain Duskywing (Erynnis telemachus)

Meridian Duskywing (Erynnis meridianus)

Scudder's Duskywing (Erynnis scudderi)

Horace's Duskywing (Erynnis horatius)

Mournful Duskywing (Erynnis tristis)

Mottled Duskywing (Erynnis martialis)

Pacuvius Duskywing (Erynnis pacuvius)

Funereal Duskywing (Erynnis funeralis)

Afranius Duskywing (Erynnis afranius)

Persius Duskywing (Erynnis persius)

Grizzled Skipper (Pyrgus centaureae)

Mountain Checkered-Skipper (Pyrgus xanthus)

Small Checkered-Skipper (Pyrgus scriptura)

Common Checkered-Skipper (Pyrgus communis)

White Checkered-Skipper (Pyrgus albescens)

Tropical Checkered-Skipper (Pyrgus oileus)

Desert Checkered-Skipper (Pyrgus philetas)

Erichson's White-Skipper (Heliopetes domicella)

Northern White-Skipper (Heliopetes ericetorum)

Common Streaky-Skipper (Celotes nessus)

Common Sootywing (Pholisora catullus)

Mexican Sootywing (Pholisora mejicana)

Mohave Sootywing (Hesperopsis libya)

Saltbush Sootywing (Hesperopsis alpheus)

Grass Skippers (Subfamily Hesperiinae)

Russet Skipperling (Piruna pirus)

Four-spotted Skipperling (Piruna polingi)

Clouded Skipper (Lerema accius)

Least Skipper (Ancyloxypha numitor)

Tropical Least Skipper (Ancyloxypha arene)

Garita Skipperling (Oarisma garita)

Edwards' Skipperling (Oarisma edwardsii)

Orange Skipperling (Copaeodes aurantiacia)

Sunrise Skipper (Adopaeoides prittwitzi)

Fiery Skipper (Hylephila phyleus)

Morrison's Skipper (Stinga morrisoni)

Uncas Skipper (Hesperia uncas)

Juba Skipper (Hesperia juba)

Western Branded Skipper (Hesperia colorado)

Apache Skipper (Hesperia woodgatei)

Pahaska Skipper (Hesperia pahaska)

Green Skipper (Hesperia viridis)

Nevada Skipper (Hesperia nevada)

Rhesus Skipper (Polites rhesus)

Carus Skipper (Polites carus)

Sandhill Skipper (Polites sabuleti)

Draco Skipper (Polites draco)

Tawny-edged Skipper (Polites themistocles)

Crossline Skipper (Polites origenes)

Sachem (Atalopedes campestris)

Delaware Skipper (Anatrytone logan)

Woodland Skipper (Ochlodes sylvanoides)

Yuma Skipper (Ochlodes yuma)

Snow's Skipper (Paratrytone snowi)

Hobomok Skipper (Poanes hobomok)

Taxiles Skipper (Poanes taxiles)

Dun Skipper (Euphyes vestris)

Dusted Skipper (Atrytonopsis hianna)

Deva Skipper (Atrytonopsis deva)

Moon-marked Skipper (Atrytonopsis lunus)

Viereck's Skipper (Atrytonopsis vierecki)

White-barred Skipper (Atrytonopsis pittacus)

Python Skipper (Atrytonopsis python)

Sheep Skipper (Atrytonopsis edwardsii)

Simius Roadside-Skipper ("Amblyscirtes" simius)

Large Roadside-Skipper (Amblyscirtes exoteria)

Cassus Roadside-Skipper (Amblyscirtes cassus)

Bronze Roadside-Skipper (Amblyscirtes aenus)

Oslar's Roadside-Skipper (Amblyscirtes oslari)

Elissa Roadside-Skipper (Amblyscirtes elissa)

Texas Roadside-Skipper (Amblyscirtes texanae)

Slaty Roadside-Skipper (Amblyscirtes nereus)

Nysa Roadside-Skipper (Amblyscirtes nysa)

Dotted Roadside-Skipper (Amblyscirtes eos)

Common Roadside-Skipper (Amblyscirtes vialis)

Orange-headed Roadside-Skipper (Amblyscirtes phylace)

Orange-edged Roadside-Skipper (Amblyscirtes fimbriata)

Eufala Skipper (Lerodea eufala)

Olive-clouded Skipper (Lerodea arabus)

Brazilian Skipper (Calpodes ethlius)

Giant-Skippers (Subfamily Megathyminae)

Orange Giant-Skipper (Agathymus neumoegeni)

Arizona Giant-Skipper (Agathymus aryxna)

Mary's Giant-Skipper (Agathymus mariae)

Poling's Giant-Skipper (Agathymus polingi)

Yucca Giant-Skipper (Megathymus yuccae)

Strecker's Giant-Skipper (Megathymus streckeri)

Ursine Giant-Skipper (Megathymus ursus)

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