Mustard-feeder
Guides
Anthocharis sara
Sara orangetip, Pacific orangetip
Anthocharis sara is a pierid butterfly native to western North America, ranging from Baja California north to extreme southwestern Oregon and east to the Sierra Nevada and western Nevada. It is one of three distinct species in the Sara orangetip complex, separated from A. julia and A. thoosa by >2% mitochondrial DNA COI barcode divergence and morphological characters of immature stages. The species exhibits strong seasonality with two broods annually and has been documented utilizing diverse mustard family host plants.
Euchloe ausonides coloradensis
Large Marble
Euchloe ausonides coloradensis is a subspecies of the Large Marble butterfly, a member of the Pieridae family. This subspecies occurs in the northern Great Plains and Canadian prairie provinces. The Large Marble complex has experienced significant regional declines in parts of its range, particularly in California where related populations have undergone documented crashes attributed to climate change and other factors. Adults display distinctive marbled hindwing undersides that provide effective camouflage when perched.
Pontia beckerii
Becker's white, Great Basin white, sagebrush white
Pontia beckerii is a butterfly in the family Pieridae, commonly known as Becker's white, Great Basin white, or sagebrush white. It ranges across western North America from Baja California, Mexico to southern British Columbia, Canada. The species is closely related to other checkered whites in the genus Pontia and shares their general ecology, with larvae feeding on various mustard family plants.
Pontia sisymbrii
Spring White, California White, Colorado White
Pontia sisymbrii, commonly known as the Spring White, is a small butterfly in the family Pieridae. It is one of the earliest butterflies to appear in spring in western North America, often emerging before the vernal equinox. The species exhibits sexual dimorphism, with males typically white and females sometimes yellowish. It is closely associated with mustard family host plants and has a single generation annually at higher elevations, with two generations at lower elevations.