Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1397229

'Rustic' Arctic Blue
Plebejus glandon rusticus

Observation date: August 12, 2024
Submitted by: sgguthart
Specimen type: Photograph
Observation notes: These butterflies were seen about half-way up the Alpine Ridge Trail from the Alpine Visitor's Center at Rocky Mountain Nat'l Park. Elevation at the top of the trail is at 12,005'. Temperatures were in the mid-60's with partly cloudy skies.
Status: Resident
Verified by: mikefisher
Verified date: November 17, 2024
Coordinator notes: Yes Sally...your tentative suggestion is correct...a male and female. Looks like they are feeding at Sedum flowers. Mike
Checklist region(s): United States, Colorado, Larimer County