Zerene is a genus of butterflies in the family Pieridae commonly called dogfaces. The closest living relative is the genus Colias.Brower, Andrew V.Z. (2006): Tree of Life Web Project - Coliadinae. Version of 2006-NOW-16. Retrieved 2008-AUG-07. They are migratory.
Species Source:Zerene, funet.fi Zerene cesonia (Stoll, 1790) – southern dogfaceSouthern Dogface, Butterflies of Canada Zerene eurydice (Boisduval, 1855) – California dogface
References
External links Zerene