Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1424327

Muir's Hairstreak
Callophrys muiri

Observation date: June 04, 2026
Submitted by: ASchmierer
Specimen type: Photograph
Observation notes: One of 10 seen, nectaring on yellow flowers near cypress, but several were 500 yards from trees. Sunny and about 84 degrees.
Status: Resident
Verified by: Ken Davenport
Verified date: June 05, 2026
Coordinator notes: According to Nick Grishin's genomic work these are Callophrys nelsoni variants, but traditionally these have been treated as muiri.-Ken Davenport I've taken them there as well, those at Cottonwood Pass have the same genomics based on specimens I sent for sequencing-Ken Davenport