Pontia sisymbrii, the spring white, California white, or Colorado white, is a butterfly in the family Pieridae. It is found in mountainous areas of western Canada and the United States.[1]
It is mostly white with small black markings; females may be yellowish. Similar to other checkered whites such as, Pontia beckerii, Pontia protodice, and Pontia occidentalis.[1] [2]
The wingspan is 31 to 40 millimeters.[1]
The host plants are in Brassicaceae (the mustard family) and include Caulanthus, Streptanthus, and Sisymbrium altissimum, Arabis glabra, Arabis furcata, and Arabis holboelli.[3]
Listed alphabetically.[3]