Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1308173

Northwestern Fritillary
Speyeria hesperis

Observation date: July 06, 2021
Submitted by: vireo-red
Specimen type: Photograph
Observation notes: None.
Status: Resident
Verified by: mikefisher
Verified date: September 11, 2021
Coordinator notes: Certainly a fresh, newly emerged male hesperis, with darker basal area and heavier black markings than does atlantis. Mike
Checklist region(s): United States, Colorado, Jefferson County