About Pontia sisymbrii (Boisduval, 1852)
Pontia sisymbrii, commonly called the spring white, California white, or Colorado white, is a butterfly species belonging to the Pieridae family. This butterfly is found in mountainous regions of western Canada and the United States. Its body and wings are mostly white with small black markings; female individuals may have a yellowish coloration. It resembles other checkered white butterflies in the same genus, including Pontia beckerii, Pontia protodice, and Pontia occidentalis. The wingspan of Pontia sisymbrii ranges from 31 to 40 millimeters. Its host plants belong to the Brassicaceae (mustard) family, and include Caulanthus, Streptanthus, Sisymbrium altissimum, Arabis glabra, Arabis furcata, and Arabis holboelli.
