Denotes entries with color photo(s)
Denotes entries containing textual species accounts
White-dotted Cattleheart (Parides alopius)
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)
Broad-banded Swallowtail (Papilio astyalus)
Western Tiger Swallowtail (Papilio rutulus)
Two-tailed Swallowtail (Papilio multicaudata)
Three-tailed Swallowtail (Papilio pilumnus)
Ruby-spotted Swallowtail (Papilio anchisiades)
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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)
Howarth's White (Ganyra howarthi)
Sonoran Marble (Euchloe guaymasensis)
Desert Marble (Euchloe lotta)
Desert Orangetip (Anthocharis cethura)
Southwestern Orangetip (Anthocharis thoosa)
Clouded Sulphur (Colias philodice)
Orange Sulphur (Colias eurytheme)
Queen Alexandra's Sulphur (Colias alexandra)
California Dogface (Zerene eurydice)
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)
Tailed Sulphur (Phoebis neocypris)
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)
Dina Yellow (Eurema dina)
Sleepy Orange (Eurema nicippe)
Dainty Sulphur (Nathalis iole)
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Tailed Copper (Lycaena arota)
Ferris' Copper (Lycaena ferrisi)
Blue Copper (Lycaena heteronea)
Colorado Hairstreak (Hypaurotis crysalus)
Golden Hairstreak (Habrodais grunus)
Great Purple Hairstreak (Atlides halesus)
Creamy Stripe-streak (Arawacus jada)
Marius Hairstreak (Rekoa marius)
Silver-banded Hairstreak (Chlorostrymon simaethis)
Soapberry Hairstreak (Phaeostrymon alcestis)
Coral Hairstreak (Satyrium titus)
Behr's Hairstreak (Satyrium behrii)
Sylvan Hairstreak (Satyrium sylvinus)
Hedgerow Hairstreak (Satyrium saepium)
Ilavia Hairstreak (Fixsenia ilavia)
Long-winged Greenstreak (Cyanophrys longula)
Western Green Hairstreak (Callophrys affinis)
Sheridan's Green Hairstreak (Callophrys sheridani)
Desert Green Hairstreak (Callophrys comstocki)
Xami Hairstreak (Callophrys xami)
Brown Elfin (Callophrys augustinus)
Desert Elfin (Callophrys fotis)
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)
Tailless Scrub-Hairstreak (Strymon cestri)
Leda Ministreak (Ministrymon leda)
Sonoran Hairstreak (Hypostrymon critola)
Arizona Hairstreak (Erora quaderna)
Western Pygmy-Blue (Brephidium exile)
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)
Bernardino Dotted-Blue (Euphilotes bernardino)
Ellis' Dotted-Blue (Euphilotes ellisi)
Bauer's Dotted-Blue (Euphilotes baueri)
Pacific Dotted-Blue (Euphilotes enoptes)
Mojave Dotted-Blue (Euphilotes mojave)
Pallid Dotted-Blue (Euphilotes pallescens)
Rita Dotted-Blue (Euphilotes rita)
Spalding's Dotted-Blue (Euphilotes spaldingi)
Small Dotted-Blue (Philotiella speciosa)
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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Fatal Metalmark (Calephelis nemesis)
Wright's Metalmark (Calephelis wrighti)
Rawson's Metalmark (Calephelis rawsoni)
Maria's Metalmark (Lasaia maria)
Zela Metalmark (Emesis zela)
Ares Metalmark (Emesis ares)
Mormon Metalmark (Apodemia mormo)
Sonoran Metalmark (Apodemia mejicanus)
Hepburn's Metalmark (Apodemia hepburni)
Palmer's Metalmark (Apodemia palmeri)
Crescent Metalmark (Apodemia phyciodoides)
Nais Metalmark (Apodemia nais)
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American Snout (Libytheana carinenta)
Gulf Fritillary (Agraulis vanillae)
Isabella's Heliconian (Eueides isabella)
Zebra (Heliconius charithonius)
Variegated Fritillary (Euptoieta claudia)
Mexican Fritillary (Euptoieta hegesia)
Aphrodite Fritillary (Speyeria aphrodite)
Nokomis Fritillary (Speyeria nokomis)
Coronis Fritillary (Speyeria coronis)
Northwestern Fritillary (Speyeria hesperis)
Mormon Fritillary (Speyeria mormonia)
Dotted Checkerspot (Poladryas minuta)
Theona Checkerspot (Thessalia theona)
Black Checkerspot (Thessalia cyneas)
Fulvia Checkerspot (Thessalia fulvia)
Leanira Checkerspot (Thessalia leanira)
California Patch (Chlosyne californica)
Bordered Patch (Chlosyne lacinia)
Rosita Patch (Chlosyne rosita)
Red-spotted Patch (Chlosyne marina)
Silvery Checkerspot (Chlosyne nycteis)
Sagebrush Checkerspot (Chlosyne acastus)
Elf (Microtia elva)
Tiny Checkerspot (Dymasia dymas)
Elada Checkerspot (Texola elada)
Texan Crescent (Phyciodes texana)
Tulcis Crescent (Phyciodes tulcis)
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)
Pale Crescent (Phyciodes pallida)
Mylitta Crescent (Phyciodes mylitta)
Variable Checkerspot (Euphydryas chalcedona)
Question Mark (Polygonia interrogationis)
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)
Malachite (Siproeta stelenes)
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)
Black-patched Cracker (Hamadryas atlantis)
Glaucous Cracker (Hamadryas glauconome)
Many-banded Daggerwing (Marpesia chiron)
Ruddy Daggerwing (Marpesia petreus)
Tropical Leafwing (Anaea troglodyta)
Goatweed Leafwing (Anaea andria)
Angled Leafwing (Anaea glycerium)
Hackberry Emperor (Asterocampa celtis)
Empress Leilia (Asterocampa leilia)
Tawny Emperor (Asterocampa clyton)
Dusky Emperor (Asterocampa idyja)
Silver Emperor (Doxocopa laure)
White Morpho (Morpho polyphemus)
Nabokov's Satyr (Cyllopsis pyracmon)
Canyonland Satyr (Cyllopsis pertepida)
Red Satyr (Megisto rubricata)
Pine Satyr (Paramacera allyni)
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)
Red-bordered Satyr (Gyrocheilus patrobas)
Ridings' Satyr (Neominois ridingsii)
Alberta Arctic (Oeneis alberta)
Monarch (Danaus plexippus)
Queen (Danaus gilippus)
Soldier (Danaus eresimus)
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Dull Firetip (Pyrrhopyge araxes)
Mercurial Skipper (Proteides mercurius)
Silver-spotted Skipper (Epargyreus clarus)
Hammock Skipper (Polygonus leo)
White-striped Longtail (Chioides catillus)
Zilpa Longtail (Chioides zilpa)
Gold-spotted Aguna (Aguna asander)
Mexican Longtail (Polythrix mexicana)
Eight-spotted Longtail (Polythrix octomaculata)
Short-tailed Skipper (Zestusa dorus)
Arizona Skipper (Codatractus arizonensis)
Long-tailed Skipper (Urbanus proteus)
Dorantes Longtail (Urbanus dorantes)
Brown Longtail (Urbanus procne)
Two-barred Flasher (Astraptes fulgerator)
Golden-banded Skipper (Autochton cellus)
Sonoran Banded-Skipper (Autochton pseudocellus)
Desert Cloudywing (Achalarus casica)
Skinner's Cloudywing (Achalarus albociliatus)
Coyote Cloudywing (Achalarus toxeus)
Jalapus Cloudywing (Achalarus jalapus)
Northern Cloudywing (Thorybes pylades)
Mexican Cloudywing (Thorybes mexicana)
Drusius Cloudywing (Thorybes drusius)
Potrillo Skipper (Cabares potrillo)
Fritzgaertner's Flat (Celaenorrhinus fritzgaertneri)
Acacia Skipper (Cogia hippalus)
Caicus Skipper (Cogia caicus)
Wind's Skipper (Windia windi)
Mysie Cloudywing (Codatractus mysie)
Mottled Bolla (Bolla clytius)
Golden-headed Scallopwing (Staphylus ceos)
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)
No Common Name (Chiomara mithrax)
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)
Pacuvius Duskywing (Erynnis pacuvius)
Funereal Duskywing (Erynnis funeralis)
Afranius Duskywing (Erynnis afranius)
Persius Duskywing (Erynnis persius)
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)
Laviana White-Skipper (Heliopetes laviana)
Common Streaky-Skipper (Celotes nessus)
Common Sootywing (Pholisora catullus)
Mohave Sootywing (Hesperopsis libya)
Saltbush Sootywing (Hesperopsis alpheus)
MacNeill's Sootywing (Hesperopsis gracielae)
Russet Skipperling (Piruna pirus)
Four-spotted Skipperling (Piruna polingi)
Many-spotted Skipperling (Piruna aea)
Faceted Skipper (Synapte syraces)
Julia's Skipper (Nastra julia)
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)
Southern Skipperling (Copaeodes minima)
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)
Lindsey's Skipper (Hesperia lindseyi)
Nevada Skipper (Hesperia nevada)
Peck's Skipper (Polites peckius)
Rhesus Skipper (Polites rhesus)
Carus Skipper (Polites carus)
Sandhill Skipper (Polites sabuleti)
Draco Skipper (Polites draco)
Tawny-edged Skipper (Polites themistocles)
Long Dash (Polites mystic)
Sonora Skipper (Polites sonora)
Sachem (Atalopedes campestris)
Delaware Skipper (Anatrytone logan)
Woodland Skipper (Ochlodes sylvanoides)
Yuma Skipper (Ochlodes yuma)
Snow's Skipper (Paratrytone snowi)
Taxiles Skipper (Poanes taxiles)
Umber Skipper (Poanes melane)
Dun Skipper (Euphyes vestris)
Deva Skipper (Atrytonopsis deva)
Moon-marked Skipper (Atrytonopsis lunus)
Viereck's Skipper (Atrytonopsis vierecki)
White-barred Skipper (Atrytonopsis pittacus)
Python Skipper (Atrytonopsis python)
Cestus Skipper (Atrytonopsis cestus)
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)
Prenda Roadside-Skipper (Amblyscirtes tolteca)
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)
Ocola Skipper (Panoquina ocola)
Purple-washed Skipper (Panoquina leucas)
Violet-banded Skipper (Nyctelius nyctelius)
Orange Giant-Skipper (Agathymus neumoegeni)
Arizona Giant-Skipper (Agathymus aryxna)
Huachuca Giant-Skipper (Agathymus evansi)
Poling's Giant-Skipper (Agathymus polingi)
Mojave Giant-Skipper (Agathymus alliae)
Yucca Giant-Skipper (Megathymus yuccae)
Strecker's Giant-Skipper (Megathymus streckeri)
Ursine Giant-Skipper (Megathymus ursus)
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