Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1389489

Chalcedon Checkerspot
Euphydryas chalcedona

Observation date: July 30, 2024
Submitted by: ASchmierer
Specimen type: Photograph
Observation notes: 8900 ft, ~0.5 trail miles north along Pacific Coast Trail from Ebbetts Pass, at base of scree slope/rockslide. It flew down from top of slope and briefly nectared on a tall, yellow composite. It looked too large to be checkerspot, but the underwing pattern does not match any greater frits.
Status: Resident
Verified by: Ken Davenport
Verified date: August 02, 2024
Coordinator notes: Subspecies sierra, well known from Ebbetts Pass per Jim Brock. I hope to make it there someday-Ken Davenport
Checklist region(s): United States, California, Alpine County