whites, yellows, and sulphurs

family Pieridae

Member of butterflies (superfamily Papilionoidea)
butterflies and moths (order Lepidoptera)
insects (class Insecta)
hexapods (subphylum Hexapoda)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)

garden whites
genus Pieris

sara orangetip
Anthocharis sara

orange sulphur
Colias eurytheme

orange sulphur
Colias eurytheme

I don’t know how it’s distinguished from california dogface (Zerene eurydice).

4 observed taxons / 1 key

Chris’s observations: 10 (7 are research grade)

Locations:

Coyote Hills RP: 2
Ed R. Levin CP
Fremont Older OSP
Henry Coe SP
Kauai, HI
Mt. Tamalpais Watershed
Murray Ranch SP
Russian Ridge OSP
Sweeney Ridge National Recreation Area

Months:

Jan.: 1
Feb.: 1
Mar.: 2
Apr.: 0
May: 1
Jun.: 0
Jul.: 3
Aug.: 1
Sep.: 0
Oct.: 1

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Taxon info: iNaturalist – BugGuide

Bay Area species: iNaturalist