Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1413412

'Rustic' Arctic Blue
Plebejus glandon rusticus

Observation date: July 12, 2021
Submitted by: Rgilson
Specimen type: Photograph
Observation notes: None.
Status: Resident
Verified by: mikefisher
Verified date: September 04, 2025
Coordinator notes: Your suggested ID is correct...a female...females have darker tone to the underwing color (males whiter). Mike
Checklist region(s): United States, Colorado, Park County