Butterflies

Amblyscirtes vialis

Common Name:  Roadside Skipper
Family:  Hesperiidae

Atalopedes campestris

Common Name:  Field Skipper, Sachem
Family:  Hesperiidae

Carterocephalus palaemon

Common Name:  Arctic Skipper
Family:  Hesperiidae

Epargyreus clarus

Common Name:  Silver-Spotted Skipper
Family:  Hesperiidae

Erynnis brizo lacustra

Common Name:  Sleepy Dusky-Wing, Leather Oak Dusky-Wing
Family:  Hesperiidae

Erynnis funeralis

Common Name:  Funereal Dusky-Wing
Family:  Hesperiidae

Erynnis icelus

Common Name:  Dreamy Dusky-Wing
Family:  Hesperiidae

Erynnis pacuvius

Common Name:  Pacuvius Duskywing, Grinnell's Duskywing
Family:  Hesperiidae

Erynnis persius

Common Name:  Persius Dusky-Wing
Family:  Hesperiidae

Erynnis propertius

Common Name:  Propertius Dusky-Wing
Family:  Hesperiidae

Erynnis tristis

Common Name:  Mournful Dusky-Wing, Sad Dusky-Wing
Family:  Hesperiidae

Heliopetes ericetorum

Common Name:  Northern White Skipper
Family:  Hesperiidae

Hesperia colorado harpalus

Common Name:  West Slope Colorado Skipper
Family:  Hesperiidae

Hesperia colorado idaho

Common Name:  East Slope Colorado Skipper
Family:  Hesperiidae

Hesperia colorado ssp.

Common Name:  Serpentine Colorado Skipper
Family:  Hesperiidae

Hesperia columbia

Common Name:  Columbian Skipper
Family:  Hesperiidae

Hesperia juba

Common Name:  Yuba Skipper
Family:  Hesperiidae

Hesperia lindseyi

Common Name:  Lindsey's Skipper
Family:  Hesperiidae

Hesperia nevada

Common Name:  Nevada Skipper
Family:  Hesperiidae

Hylephila phyleus

Common Name:  Fiery Skipper
Family:  Hesperiidae

Lerodea eufala

Common Name:  Eufala Skipper
Family:  Hesperiidae

Ochlodes agricola

Common Name:  The Farmer, Rural Skipper
Family:  Hesperiidae

Ochlodes sylvanoides

Common Name:  Woodland Skipper
Family:  Hesperiidae

Ochlodes yuma

Common Name:  Yuma Skipper
Family:  Hesperiidae

Pholisora catullus

Common Name:  Common Sooty-Wing
Family:  Hesperiidae

Poanes melane

Common Name:  Umber Skipper
Family:  Hesperiidae

Polites sabuleti sabuleti

Common Name:  Sandhill Skipper
Family:  Hesperiidae

Polites sabuleti ssp.

Common Name:  "Verdi" Sandhill Skipper
Family:  Hesperiidae

Polites sabuleti tecumseh

Common Name:  Tecumseh Skipper
Family:  Hesperiidae

Polites sonora

Common Name:  Sonoran Skipper
Family:  Hesperiidae

Pyrgus communis

Common Name:  Common Checkered Skipper
Family:  Hesperiidae

Pyrgus ruralis

Common Name:  Two-Banded Skipper
Family:  Hesperiidae

Pyrgus scriptura

Common Name:  Small Checkered Skipper, Least Checkered Skipper
Family:  Hesperiidae

Thorybes diversus

Common Name:  Western Cloudy-Wing
Family:  Hesperiidae

Thorybes mexicana nevada

Common Name:  Nevada Cloudy-Wing
Family:  Hesperiidae

Thorybes pylades

Common Name:  Northern Cloudy-Wing
Family:  Hesperiidae

Adelpha bredowii californica

Common Name:  California Sister
Family:  Nymphalidae

Agraulis vanillae

Common Name:  Gulf Fritillary
Family:  Nymphalidae

Boloria epithore

Common Name:  Western Meadow Fritillary
Family:  Nymphalidae

Cercyonis oetus

Common Name:  Small Wood-Nymph
Family:  Nymphalidae

Cercyonis pegala boopis

Common Name:  Ox-Eyed Satyr
Family:  Nymphalidae

Cercyonis sthenele silvestris

Common Name:  Cercyonis sthenele silvestris
Family:  Nymphalidae

Chlosyne hoffmanni

Common Name:  Hoffmann's Checkerspot
Family:  Nymphalidae

Chlosyne lacinia

Common Name:  Bordered Patch
Family:  Nymphalidae

Chlosyne palla

Common Name:  Northern Checkerspot
Family:  Nymphalidae

Coenonympha tullia ampelos

Common Name:  Great Basin Ringlet, East Slope Ringlet
Family:  Nymphalidae

Coenonympha tullia california

Common Name:  California Ringlet
Family:  Nymphalidae

Danaus gilippus

Common Name:  Queen
Family:  Nymphalidae

Danaus plexippus

Common Name:  Monarch
Family:  Nymphalidae

Euphydryas chalcedona

Common Name:  Variable Checkespot, Chalcedon Checkerspot
Family:  Nymphalidae

Euphydryas editha

Common Name:  Edith's Checkerspot
Family:  Nymphalidae

Junonia coenia

Common Name:  Buckeye
Family:  Nymphalidae

Limenitis lorquini

Common Name:  Lorquin's Admiral
Family:  Nymphalidae

Nymphalis antiopa

Common Name:  Mourning Cloak
Family:  Nymphalidae

Nymphalis californica

Common Name:  California Tortoiseshell
Family:  Nymphalidae

Nymphalis milberti

Common Name:  Milbert's Tortoiseshell
Family:  Nymphalidae

Oeneis chryxus ivallda

Common Name:  Ivallda Arctic
Family:  Nymphalidae

Phyciodes campestris campestris

Common Name:  Field Crescent
Family:  Nymphalidae

Phyciodes campestris campestris/montana

Common Name:  Feather River Crescent
Family:  Nymphalidae

Phyciodes campestris inornatus

Common Name:  Northeastern California Crescent
Family:  Nymphalidae

Phyciodes campestris montana

Common Name:  Montana Crescent
Family:  Nymphalidae

Phyciodes mylitta

Common Name:  Mylitta Crescent
Family:  Nymphalidae

Phyciodes orseis herlani

Common Name:  California Crescent
Family:  Nymphalidae

Polygonia faunus

Common Name:  Faun, Green Comma
Family:  Nymphalidae

Polygonia satyrus

Common Name:  Satyr Anglewing
Family:  Nymphalidae

Polygonia zephyrus

Common Name:  Zephyr Anglewing
Family:  Nymphalidae

Speyeria atlantis irene

Common Name:  
Family:  Nymphalidae

Speyeria callippe juba

Common Name:  Callippe Fritillary
Family:  Nymphalidae

Speyeria callippe nevadensis

Common Name:  Nevada Silverspot
Family:  Nymphalidae

Speyeria callippe ssp.

Common Name:  Callippe Fritillary
Family:  Nymphalidae

Speyeria coronis

Common Name:  Crown Fritillary, Coronis Fritillary
Family:  Nymphalidae

Speyeria cybele leto

Common Name:  Leto Fritillary
Family:  Nymphalidae

Speyeria egleis

Common Name:  Great Basin Fritillary, Egleis Fritillary
Family:  Nymphalidae

Speyeria hydaspe

Common Name:  Hydaspe Fritillary
Family:  Nymphalidae

Speyeria mormonia

Common Name:  Mormon Fritillary
Family:  Nymphalidae

Speyeria zerene

Common Name:  Zerene Fritillary
Family:  Nymphalidae

Thessalia leanira

Common Name:  Leanira Checkerspot
Family:  Nymphalidae

Vanessa annabella

Common Name:  West Coast Lady
Family:  Nymphalidae

Vanessa atalanta

Common Name:  Red Admiral
Family:  Nymphalidae

Vanessa cardui

Common Name:  Painted Lady
Family:  Nymphalidae

Vanessa virginiensis

Common Name:  West Virginia Lady, American Painted Lady
Family:  Nymphalidae

Agriades podarce

Common Name:  Gray Blue
Family:  Lycaenidae

Atlides halesus

Common Name:  Great Purple Hairstreak
Family:  Lycaenidae

Brephidium exile

Common Name:  (Western) Pygmy Blue
Family:  Lycaenidae

Callophrys dumetorum

Common Name:  Bramble Hairstreak
Family:  Lycaenidae

Callophrys sheridanii lemberti

Common Name:  Lembert's Green Hairstreak
Family:  Lycaenidae

Celastrina ladon echo

Common Name:  Spring Azure, Echo Blue
Family:  Lycaenidae

Euphilotes battoides

Common Name:  Square-Spotted Blue
Family:  Lycaenidae

Euphilotes enoptes

Common Name:  Dotted Blue
Family:  Lycaenidae

Everes amyntula

Common Name:  Western Tailed Blue
Family:  Lycaenidae

Everes comyntas

Common Name:  Eastern Tailed Blue
Family:  Lycaenidae

Glaucopsyche lygdamus

Common Name:  Silvery Blue
Family:  Lycaenidae

Glaucopsyche piasus

Common Name:  Arrowhead Blue
Family:  Lycaenidae

Habrodais grunus

Common Name:  Golden Hairstreak, Golden Oak Hairstreak
Family:  Lycaenidae

Hemiargus isola

Common Name:  Reakirt's Blue
Family:  Lycaenidae

Incisalia augustinus iroides

Common Name:  Western Brown Elfin
Family:  Lycaenidae

Incisalia eryphon

Common Name:  Western Pine Elfin
Family:  Lycaenidae

Incisalia mossii

Common Name:  Moss' Elfin
Family:  Lycaenidae

Leptotes marina

Common Name:  Marine Blue
Family:  Lycaenidae

Lycaeides idas anna

Common Name:  Anna Blue
Family:  Lycaenidae

Lycaeides melissa melissa

Common Name:  "Agricultural" Melissa Blue
Family:  Lycaenidae

Lycaena arota arota

Common Name:  Tailed Copper
Family:  Lycaenidae

Lycaena arota virginiensis

Common Name:  Desert Tailed Copper
Family:  Lycaenidae

Lycaena cupreus

Common Name:  Lustrous Copper
Family:  Lycaenidae

Lycaena editha

Common Name:  Edith's Copper
Family:  Lycaenidae

Lycaena gorgon

Common Name:  Gorgon Copper
Family:  Lycaenidae

Lycaena helloides

Common Name:  Purplish Copper
Family:  Lycaenidae

Lycaena heteronea

Common Name:  Blue Copper, "Varied Blue"
Family:  Lycaenidae

Lycaena nivalis

Common Name:  Snowy Copper, Lilac-Bordered Copper
Family:  Lycaenidae

Lycaena rubidus

Common Name:  Ruddy Copper
Family:  Lycaenidae

Lycaena xanthoides

Common Name:  Great Copper
Family:  Lycaenidae

Mitoura gryneus chalcosiva

Common Name:  Juniper Hairstreak
Family:  Lycaenidae

Mitoura gryneus nelsoni

Common Name:  Nelson's Hairstreak
Family:  Lycaenidae

Mitoura johnsoni

Common Name:  Johnson's Hairstreak
Family:  Lycaenidae

Mitoura spinetorum

Common Name:  Thicket Hairstreak
Family:  Lycaenidae

Philotes sonorensis

Common Name:  Sonoran Blue
Family:  Lycaenidae

Plebejus acmon

Common Name:  Acmon Blue
Family:  Lycaenidae

Plebejus icarioides

Common Name:  Icarioides Blue, Boisduval's Blue
Family:  Lycaenidae

Plebejus lupini

Common Name:  Lupine Blue
Family:  Lycaenidae

Plebejus saepiolus

Common Name:  Greenish Blue
Family:  Lycaenidae

Plebejus shasta

Common Name:  Shasta Blue
Family:  Lycaenidae

Satyrium auretorum

Common Name:  Gold-Hunter's Hairstreak
Family:  Lycaenidae

Satyrium behrii

Common Name:  Behr's Hairstreak
Family:  Lycaenidae

Satyrium californica

Common Name:  California Hairstreak
Family:  Lycaenidae

Satyrium fuliginosum fuliginosum

Common Name:  Sooty Gossamer-Wing
Family:  Lycaenidae

Satyrium fuliginosum semiluna

Common Name:  Sooty Gossamer-Wing
Family:  Lycaenidae

Satyrium saepium

Common Name:  Sepia Hairstreak
Family:  Lycaenidae

Satyrium sylvinus

Common Name:  Willow Hairstreak
Family:  Lycaenidae

Satyrium tetra

Common Name:  Mountain-Mahogany Hairstreak
Family:  Lycaenidae

Strymon melinus

Common Name:  Gray Hairstreak, Common Hairstreak
Family:  Lycaenidae

Battus philenor

Common Name:  Pipevine Swallowtail
Family:  Papilionidae

Papilio eurymedon

Common Name:  Pale Swallowtail
Family:  Papilionidae

Papilio indra

Common Name:  Indra Swallowtail
Family:  Papilionidae

Papilio multicaudatus

Common Name:  Two-Tailed Swallowtail
Family:  Papilionidae

Papilio rutulus

Common Name:  Western Tiger Swallowtail
Family:  Papilionidae

Papilio zelicaon

Common Name:  Anise Swallowtail
Family:  Papilionidae

Parnassius clodius

Common Name:  Clodius Parnassian
Family:  Papilionidae

Parnassius phoebus behrii

Common Name:  Behr's Parnassian
Family:  Papilionidae

Anthocharis lanceolata

Common Name:  Gray Marble, Boisduval's Marble
Family:  Pieridae

Anthocharis sara sara

Common Name:  Sara Orange-Tip
Family:  Pieridae

Anthocharis sara thoosa

Common Name:  Thoosa Orange-Tip
Family:  Pieridae

Anthocharis stella

Common Name:  Stella Orange-Tip
Family:  Pieridae

Colias alexandra

Common Name:  Queen Alexandra's Sulphur
Family:  Pieridae

Colias eurytheme

Common Name:  Orange Sulphur, Alfalfa Butterfly
Family:  Pieridae

Colias philodice (eriphyle)

Common Name:  Yellow Sulphur
Family:  Pieridae

Euchloe ausonides

Common Name:  Large Marble
Family:  Pieridae

Euchloe hyantis "foothill"

Common Name:  Small Marble
Family:  Pieridae

Euchloe hyantis hyantis

Common Name:  Small Marble
Family:  Pieridae

Euchloe hyantis lotta

Common Name:  East Slope Marble
Family:  Pieridae

Nathalis iole

Common Name:  Dainty Sulphur
Family:  Pieridae

Neophasia menapia

Common Name:  Pine White
Family:  Pieridae

Phoebis sennae

Common Name:  Cloudless Sulphur
Family:  Pieridae

Pieris napi

Common Name:  Gray-Veined White
Family:  Pieridae

Pieris rapae

Common Name:  European Cabbage Butterfly, Imported Cabbageworm, Cabbage White
Family:  Pieridae

Pontia beckerii

Common Name:  Becker's White
Family:  Pieridae

Pontia occidentalis

Common Name:  Western White
Family:  Pieridae

Pontia protodice

Common Name:  Checkered White
Family:  Pieridae

Pontia sisymbrii

Common Name:  Spring White, California White
Family:  Pieridae

Zerene eurydice

Common Name:  California Dog-Face
Family:  Pieridae

Apodemia mormo

Common Name:  Mormon Metal-Mark
Family:  Riodinidae