ALFALFA BUTTERFLY (Colias eurytheme)

Flight Period: Multiple brooded in warm climates throughout the year.  This species breeds with great success on native and naturalized legumes.  It is a major pest in cultivated alfalfa fields when it is in the larval stage.  It may be found in nearly any open space.

Range: North America from Canada south through Mexico.

Host Plants: Many members of the Pea Family (Fabaceae).

Wing Span: 1 5/8 - 2 3/8" (41 - 60 mm).