Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1390923

Northwestern Fritillary
Speyeria hesperis

Observation date: August 10, 2024
Submitted by: Buddy Mays
Specimen type: Photograph
Observation notes: Photographed in the Cascade Mountains of central Oregon, about 8 miles southwest of Marion Forks at an altitude of 4000 feet. Nectaring on various wildflowers near a roadside spring on USFS Road 2234. Warm, smoky day with a light breeze. There were dozens of this butterfly species nectaring nearby.
Status: Resident
Verified by: Ken Davenport
Verified date: August 13, 2024
Coordinator notes: This is actually Speyeria irene dodgei based on recent genomic analysis, Bamona has not yet updated many names, it was formerly treated as Speyeria hesperis dodgei but it is in the irene group, not hesperis-Ken Davenport
Checklist region(s): United States, Oregon, Linn County