Watch for These Butterflies in El Dorado County, California...

This is a modified list of butterflies in northern California based on the one from Butterflies and Moths of North America, but minus several species that were not mapped for this area in Butterflies through Binoculars: West, certainly my favorite guide to what's out there.

Parnassians and Swallowtails (Papilionidae)

Parnassians (Parnassiinae)

Clodius Parnassian (Parnassius clodius) ; food: bleeding-heart
Behr's Parnassian (Parnassius phoebus behrii)

Swallowtails (Papilioninae)

Pipevine Swallowtail (Battus philenor) ; food: pipevines
Anise Swallowtail (Papilio zelicaon) food: parsley family
Indra Swallowtail (Papilio indra) ; food: mainly lomatiums, other parsley family also
Western Tiger Swallowtail (Papilio rutulus) ; food: willows, aspens, other trees too
Pale Swallowtail (Papilio eurymedon) ; food: Rhamnus, Ceanothus, also other rose family
Two-tailed Swallowtail (Papilio multicaudata) ; food: Cherry, ashe, etc.

Whites and Sulphurs (Pieridae)

Whites (Pierinae)

Checkered White (Pontia protodice) ; food: crucifers
Spring White (Pontia sisymbrii) ; food: rock cress, other crucifers
Becker's White (Pontia beckerii) ; food: crucifers
Cabbage White (Pieris rapae) ; food: crucifers
Margined White (Pieris marginalis) ; food: crucifers
Pine White (Neophasia menapia) ; food: Ponderosa and other pines
Large Marble (Euchloe ausonides) ; food: rock cress, other crucifers
Pearly Marble (Euchloe hyantis) ; food: crucifers
Gray Marble (Anthocharis lanceolata) ; food: rock cress, other crucifers
Pacific (also Sara) Orangetip (Anthocharis sara) ; food: crucifers
Stella Orangetip (Anthocharis stella)

Sulphurs (Coliadinae)

Orange Sulphur (Colias eurytheme) ; food: fabaceae
Clouded Sulphur (Colias philodice) ; food: clovers and other legumes

Gossamer-wing Butterflies (Lycaenidae)

Coppers (Lycaeninae)

Edith's Copper (Lycaena editha) ; food: docks and horkelias
Great Copper (Lycaena xanthoides) ; food: docks
Lustrous Copper (Lycaena cupreus) ; food: docks and sorrels
Tailed Copper (Lycaena arota) ; food: ribes
Gorgon Copper (Lycaena gorgon) ; food: eriogonum nudum
Ruddy Copper (Lycaena rubidus) ; food: docks
Blue Copper (Lycaena heteronea) ; food: eriogonum
Purplish Copper (Lycaena helloides) ; food: docks, knotweed
Lilac-bordered Copper (Lycaena nivalis) ; food: knotweeds
Mariposa Copper (Lycaena mariposa) ; food: vaccinium

Hairstreaks (Theclinae)

Great Purple Hairstreak (Atlides halesus) ; food: mistletoe on cottonwood
Golden Hairstreak (Habrodais grunus) ; food: canyon oak [flies around twilight, look for perching on host plant]
Behr's Hairstreak (Satyrium behrii) ; food: bitterbrush and Purshia
Sooty Hairstreak (Satyrium fuliginosum) ; food: lupines
California Hairstreak (Satyrium californica) ; food: oaks and mountain mahogany
Sylvan Hairstreak (Satyrium sylvinus) ;food: willows
Hedgerow (Sepia) Hairstreak (Satyrium saepium) ; food: ceanothus
Gold-hunter's Hairstreak (Satyrium auretorum) ;food: oaks
Mountain Mahogany Hairstreak (Satyrium tetra) ; food: mountain mahogany
Bramble Hairstreak (Calloprys dumetorum) ; food: buckwheats, Ceanothus, deerweed
Sheridan's Green Hairstreak (Callophrys sheridani) ; food: buckwheats
Nelson's Hairstreak (Callophrys nelsoni) ; food: incense cedar, possibly juniper?
Juniper Hairstreak (Callophrys gryneus) ;
Thicket Hairstreak (Callophrys spinetorum) ; food: mistletoe on conifers
Johnson's Hairstreak (Callophrys johnsoni) ; food: mistletoe on conifers
Brown Elfin (Incasalia augustinus) *some sources use Callophrys eryphon!; food: many families
Moss' Elfin (Callophrys mossii) ; food: stonecrops
Western Pine Elfin (Incisalia eryphon) *some sources use Callophrys eryphon! ; food: pines
Gray Hairstreak (Strymon melinus)

Blues (Polyommatinae)

Gray Blue (Agriades podarce) ; food: variety, but especially primrose
Western Pygmy-Blue (Brephidium exile) ; food: Chenopodiaceae
Anna's Northern Blue (Lycaeides idas anna) ; food: mainly lupine, but also lotus, vetch
Marine Blue (Leptotes marina) ; food: legumes
Western Tailed-Blue (Everes amyntula)
Spring Azure (Celastrina ladon echo)
Sonoran Blue (Philotes sonorensis)
Square-Spotted Blue (Euphilotes battoides)
Arrowhead Blue (Glaucopsyche piasus)
Silvery Blue (Glaucopsyche lygdamus)
Boisduval's Blue (Plebejus icarioides)
Dotted-Blue (Euphilotes enoptes)
Greenish Blue (Plebejus saepiolus)
Melissa Blue (Plebejus melissa)
Acmon Blue (Plebejus acmon)
Lupine Blue (Plebejus lupini)
Gray Blue (Agriades podarce)
Shasta Blue (Plebejus shasta)
Sierra Nevada Blue (Plebejus podarce)

Metalmarks (Riodinidae)

Mormon Metalmark (Apodemia mormo)

Brush-footed Butterflies (Nymphalidae)

Greater Fritillaries (Speyeria)

Great Spangled Fritillary (Speyeria cybele leto)
Coronis Fritillary (Speyeria coronis)
Atlantis Fritillary (Speyeria atlantis irene)
Hydaspe Fritillary (Speyeria hydaspe)
Zerene Fritillary (Speyeria zerene)
Callippe Fritillary (Speyeria callippe)
Great Basin Fritillary (Speyeria egleis)
Mormon Fritillary (Speyeria mormonia)
Pacific Fritillary (Boloria epithore)

Brushfoots (Nymphalinae)

Leanira Checkerspot (Chlosyne leanira)
Northern Checkerspot (Chlosyne palla)
Hoffmann's Checkerspot (Chlosyne hoffmanni)
Chalcedon [Variable] Checkerspot (Euphydryas chalcedona sierra)
Edith's Checkerspot (Euphydryas editha)
Field Crescent (Phyciodes campestris var. montana)
California Crescent (Phyciodes orseis)
Mylitta Crescent (Phyciodes mylitta)

True Brushfoots (Nymphalidae)

Satyr Comma (Polygonia satyrus)
Hoary Comma (Polygonia gracilis)
Green Comma (Polygonia faunus)
Mourning Cloak (Nymphalis antiopa)
California Tortoiseshell (Nymphalis californica)
Milbert's Tortoiseshell (Aglais milberti)
Red Admiral (Vanessa atalanta)
West Coast Lady (Vanessa annabella)
American Lady (Vanessa virginiensis)
Painted Lady (Vanessa cardui)
Common Buckeye (Junonia coenia)

Admirals and Relatives (Limenitidinae)

Lorquin's Admiral (Limenitis lorquini)
California Sister (Adelpha bredowii)

Satyrs (Satyrinae)

Ox-Eyed Satyr (Cercyonis pegala boopis)
Great Basin Wood-Nymph (Cercyonis sthenele silvestris)
Small Wood-Nymph (Cercyonis oetus)
Common Ringlet (Coenonympha tullia)

Milkweed Butterflies (Danainae)

Monarch (Danaus plexippus)
Queen (unlikely but possible: Danaus gilippus)

Skippers (Hesperiidae)

Spread-wing Skippers (Pyrginae)

Silver-spotted Skipper (Epargyreus clarus)
Northern Cloudywing (Thorybes pylades)
Western Cloudywing (Thorybes diversus)
Mexican Cloudywing (Thorybes mexicana)
Propertius Duskywing (Erynnis propertius)
Mournful Duskywing (Erynnis tristis)
Pacuvius Duskywing (Erynnis pacuvius)
Persius Duskywing (Erynnis persius)
Dreamy Duskywing (Erynnis icelus)
Sleepy Duskywing (Erynnis brizo)
Common Checkered-Skipper (Pyrgus communis)
Two-banded Checkered-Skipper (Pyrgus ruralis)
Northern White-Skipper (Heliopetes ericetorum)
Common Sootywing (Pholisora catullus)

Grass Skippers (Hesperiinae)

Western Branded Skipper (Hesperia comma)
Juba Skipper (Hesperia juba)
Lindsey's Skipper (Hesperia lindseyi)
Nevada Skipper (Hesperia nevada)
Fiery Skipper (Hylephila phyleus)
Sachem (Atalopedes campestris)
Sonoran Skipper (Polites sonora)
Sandhill Skipper (Polites sabuleti)
Woodland Skipper (Ochlodes sylvanoides)
Umber Skipper (Poanes melane)
Rural Skipper (Ochlodes agricola)
Common Roadside-Skipper (Amblyscirtes vialis)
Eufala Skipper (Lerodea eufala)

Moths

Ridings Forester (Alypia ridingsi) (Read NeoArctica's info about this moth...)
Police Car Moth (Gnophaela vermiculata)

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