iNat·217398SpeciesInsecta272 field observationsThe Nature Library · Open stacks
- Animals
- ›Arthropods
- ›Hexapods
- ›Insects
- ›Winged and Once-winged Insects
- ›Butterflies and Moths
- ›Butterflies
- ›Whites, Yellows, and Sulphurs
- ›Yellows and Sulphurs
- ›Coliadini
- ›Coliadina
- ›Colias

Scudder's Sulphur
Colias scudderii
Colias scudderii, the willow sulphur, is a butterfly in the family Pieridae. It is found from Alaska south through the Rocky Mountains to northern New Mexico. The habitat consists of mountain meadows and willow bogs.
§·
Listen
Looking for field recordings…
§·
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
§·
In the stacks
Searching the stacks…
Every page naming Colias scudderii in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 217398.