Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1411163

Queen Alexandra's Sulphur
Colias alexandra

Observation date: May 25, 1986
Submitted by: papilio1
Specimen type: Photograph
Observation notes: Juniper/ sagebrush habitat. Hostplant (Lupines & Milkvetch) are in the area. Many were observed on warm spring day. Fast fliers. Never seem to land.
Status: Resident
Verified by: Ken Davenport
Verified date: August 11, 2025
Coordinator notes: Subspecies edwardsii in California and likely in your area-Ken Davenport
Checklist region(s): United States, Nevada, Washoe County