Click a pic for more photos and links to butterfly host plants.

Lorquin's admiral butterfly

Mourning cloak butterfly

Milbert's tortoiseshell butterfly

California tortoiseshell butterfly

Satyr anglewing

Two-Tailed swallowtail butterflies

Western tiger swallowtail

Pale swallowtail butterfly

Oregon swallowtail butterfly

Anise swallowtail butterfly

Western pine elfin

Sheridan's green hairstreak butterfly

Brown elfin

Thicket hairstreak

Behr's hairstreak butterfly

Gray hairstreak butterfly

Sooty hairstreak butterfly

Boisduval's blue

Silvery blue butterfly

Acmon/Lupine blue butterfly

Square spotted blue butterfly

Melissa's blue

Arrowhead blue

Spring azure butterfly

Greenish blue butterfly

Western-tailed blue butterfly

Great spangled fritillary butterfly

Zerene fritillary

Coronis fritillary

Hydaspe fritillary

Callippe fritillary

Silver-bordered fritillary

Northern checkerspot

Sagebrush checkerspot

Anicia checkerspot

Chalcedona checkerspot

Mylitta crescent butterfly

Field crescent butterfly

Northern crescent butterfly

Pale crescent butterfly

Mormon metalmark butterfly

Purplish copper butterfly

Mariposa copper butterfly

Lilac-bordered copper butterfly

Blue copper butterfly

painted lady butterfly

Common wood nymph butterfly

Dark wood nymph butterfly

Butler's alpine

Ochre or common ringlet

Clouded sulphur butterfly

Orange sulphur butterfly

Sara's orangetip butterfly

Western white butterfly

Pine white butterfly

Spring white butterfly

Becker's white butterfly

Desert marble butterfly

Large marble butterflies

Mountain parnassian butterfly

Cabbage white butterfly

Woodland skipper

Juba skipper

Common roadside skipper

Common sootywing

Common checkered skipper

Propertius duskywing or western oak dusky wing

Persius duskywing

Dreamy duskywing