Colias eurytheme or Colias eurytheme Boisduval 1852.Please Google "Alfalfa Butterfly" or go to www.zipcodezoo.com (one of the many fine websites that have outstanding pictures) to identify your specimen. Zipcodezoo also lists the complete taxonomy of its entries, from Domain to Scientific Name.
The California dog-face butterfly (Colias eurydice).
The scientific name of the yellow grass butterfly is Eurema lisa.
The accepted scientific name is Colias eurytheme.
The accepted scientific or common name is Colias eurytheme.
Colias wiskotti was created in 1882.
Colias croceus was created in 1785.
Colias erate was created in 1805.
Colias behrii was created in 1866.
Colias electo was created in 1763.
Colias dimera was created in 1847.
Colias thisoa was created in 1832.