Butterflies – UCSC Campus Natural Reserve

HABITAT: ALL = all habitats, AG = agricultural, AR = arboretum, CH = chaparral, DI = disturbed, GR = grassland, prairie, ME = mixed evergreen forest, RI = riparian, RW = redwood forest

HOST FOOD describes the plant(s) eaten by caterpillars: + = many larval host foods

from: “The Natural History of the UC Santa Cruz Campus” 2nd edition.

A PDF version of this list can be accessed here.

Species	Common Name	Habitat	Host Food
Family Papilionidae
Battus philenor	Pipevine swallowtail	AR	Pipevine
Papilio eurymedon	Pale swallowtail	CH, AR	Buckthorn, Rose families
Papilio rutulus	Western tiger swallowtail	AR, DI	Willow family
Papilio zelicaon	Anise swallowtail	DI	Carrot family

Family Pieridae
Anthocharis sara	Sara orangetip	ME	Mustard family
Colias eurytheme	Orange sulphur	AR, DI, GR	Pea family
Euchloe ausonides	Large marble	GR, AR	Mustard family
Pieris napi	Mustard white	RW	Mustard family
Pieris rapae	Cabbage white	DI, AG, GR	Mustard family
Phoebis sennae	Cloudless sulphur	AR	Planted Cassia
Pontia protodice	Checkered white	DI, AR	Mustard family

Family Lycaenidae
Callophrys augustinus	Brown elfin	CH	Many
Callophrys dumetorum	Bramble hairstreak	CH	Buckwheat, deerweed
Celastrina ladon	Spring azure	ME, AR	Shrubs and trees
Everes amyntula	Western tailed blue	CH, RW	Pea family
Glaucopsyche lygdamus	Silvery blue	GR, AR	Pea family
Habrodais grunus	Golden hairstreak	CH, ME	Chinquapin
Leptotes marina	Marine blue	GR	Pea family
Lycaena helloides	Purplish copper	AR	Dock
Lycaena xanthoides	Great copper	CH, GR	Dock
Plebejus acmon	Acmon blue	CH, AR, GR	Pea, Buckwheat families
Plebejus icarioides	Biosduval’s blue	GR	Lupine
Satyrium californicum	California hairstreak	CH	Oaks
Satyrium saepium	Hedgerow hairstreak	CH, ME	Ceanothus
Satyrium sylvinum	Sylvan hairstreak	RI	Willows
Strymon melinus	Gray hairstreak	All	Many

Family Nymphalidae
Adelpha brewdowii	California sister	ME, AR	Oaks
Agraulis vanillae	Gulf fritillary	AR	Passionvine
Boloria epithore	Pacific fritillary	ME	Violets
Ceryonis pegala	Common wood-nymph	GR, RI	Grasses
Chlosyne palla	Northern checkerspot	ME, GR, AR	Sunflower family
Coenonympha tullia	Common ringlet	AR, GR	Grasses
Danaus plexippus	Monarch	AR, GR, All	Milkweeds
Euphydryas chalcedona	Variable checkerspot	AR, GR	Figwort, Honeysuckle families
Junonia ceonia	Common buckeye	GR, DI, AR	Plantain +
Limenitis lorquini	Lorquins Admiral	AR, RI	Willow family +
Nymphalis antiopa	Mourning cloak	AR, ME, GR	Willow family +
Nymphalis californica	California tortoiseshell	ME	Ceanothus
Nymphalis milberti	Milbert’s tortoiseshell	ME	Nettles
Phyciodes mylitta	Mylitta crescent	AR, DI	Thistles
Phyciodes campestris	Field crescent	AR, GR, DI	Sunflower family
Polygonia satyrus	Satyr comma	ME	Nettles
Speyeria adiaste	Unsilvered fritillary	RW	Violets
Speyeria coronis/callippe	Callipe/Coronis fritillary	ME, AR	Violets
Vanessa annabella	West coast lady	GR, DI	Mallow family
Vanessa atlanta	Red admiral	AR	Nettles
Vanessa cardui	Painted lady	GR, AR	Thistles +
Vanessa virginiensis	American lady	GR, AR	Sunflower family

Family Hesperiidae
Atalopedes campestris	Sachem	DI, GR, AR	Grasses
Erynnis pacuvius	Pacuvius duskywing	ME, CH	Ceanothus
Erynnis propertius	Propertius duskywing	ME	Oaks
Erynnis tristis	Mournful duskywing	ME	Oaks
Heliopetes ericetorum	Northern white-skipper	CH	Mallow family
Hesperia comma	Common branded skipper	GR	Grasses
Hylephila phyleus	Fiery skipper	GR, DI, AR	Grasses
Lerodea eufala	Eufala skipper	GR, AR	Grasses
Ochlodes agricola	Rural skipper	AR, DI	Grasses
Ochlodes sylvanoides	Woodland skipper	All	Grasses
Poanes melane	Umber skipper	ME, GR, AR	Grasses
Polites sabuleti	Sandhill skipper	GR	Grasses
Pyrgus communis	Common checkered-skipper	DI, GR, AR	Mallow family
Pyrgus ruralis	Two-banded checkered-skipper	GR, AR	Rose family
Thorybes pylades	Northern cloudywing	GR, AR	Pea family

A monarch butterfly found in the UCSC Campus Reserve

Cougar tracks along an early morning fire road