Colias eurytheme Boisduval, 1852
Status: Abundant resident
NENHP Ranking: Not listed
Range: Inhabits North America south of southern Canada. In Nebraska it can be found statewide.
Broods/Flight Times: Multiple broods from spring thaw to killing frost
Larval Hostplant(s): Many herbaceous legumes, but especially alfalfa (Medicago sativa).
Habitat: Equally at home in urban and rural setting but especially abundant near cultivated alfalfa
Overwintering: As pupae
Similar Species: Clouded and Queen Alexandra’s Sulphurs
Notes: Nebraska’s most common butterfly. Males fluoresce under ultraviolet light. Albinic individuals (always females) are common.