Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1318605

Observation date: August 25, 2021
Submitted by: Moligale
Specimen type: Photograph
Observation notes: None.
Status: Temporary Colonist
Verified by: mikefisher
Verified date: January 27, 2022
Coordinator notes: Correct ID of possibly the most recognized butterflies in the world. A male. Latest record this year has been Nov. 9th from Boulder County (Walden Ponds)...very unusual that late in the season. They should be well on their way to Mexico by then! Mike
Checklist region(s): United States, Colorado, Larimer County