Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1284855

Rocky Mountain Duskywing
Erynnis telemachus

Observation date: May 04, 2017
Submitted by: Tommie Rogers
Specimen type: Photograph
Observation notes: None.
Status: Resident
Verified by: mikefisher
Verified date: April 09, 2021
Coordinator notes: We have the similar species E. telemachus in the higher Rocky Mountain West...which has similarly marked like the eastern species juvenalis - your suggested ID. The hindwings on telemachus/juvenalis lack any white spots that are characteristic to the Afranius Duskywing (E. afranius and Persius Duskywing (E. persius). Mike PS I'll finish the rest of your sightings next time I get back to this....
Checklist region(s): United States, Colorado, Eagle County