Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1402166

Ceraunus Blue
Hemiargus ceraunus

Observation date: May 29, 2025
Submitted by: Zencoyote
Specimen type: Photograph
Observation notes: A few individuals intermixed with large numbers of Behr’s Metalmarks congregating around newly blossoming Buckwheat and associated chaparral plants. Weather, low to mid 70s, high overcast to clear, slight breeze.
Status: Resident
Verified by: Ken Davenport
Verified date: May 31, 2025
Coordinator notes: None.
Checklist region(s): United States, California, San Diego County