Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1406523

Ceraunus Blue
Hemiargus ceraunus

Observation date: July 08, 2025
Submitted by: Zencoyote
Specimen type: Photograph
Observation notes: one, maybe two individuals hanging around a large patch of Heliotrope in a mostly dry stream bed (San Diego River). Overall not much butterfly activity in the area. Weather: intermittent overcast, canyon breezes, and temp about 80.
Status: Resident
Verified by: Ken Davenport
Verified date: July 09, 2025
Coordinator notes: None.
Checklist region(s): United States, California, San Diego County