California or Spring White
Pontia sisymbrii (Boisduval, 1852)
Status: Uncommon resident
NENHP Ranking: S3, Tier 2
Range: This species inhabits western North America from the Yukon and Northwest Territories south through California, Arizona and New Mexico. In Nebraska it is restricted to the Pine Ridge areas of the panhandle counties.
Broods/Flight Times: One spring flight, primarily in may
Larval Hostplant(s): Crucifers, particularly Arabis holboellii.
Habitat: Adults are found on rocky hillsides and hilltops in open areas of ponderosa pine forest.
Found at: Gilbert-Baker SWMA, Wildcat Hills SRA
Overwintering: As a pupa
Similar Species: Checkered and Western Whites