Nelson's Hairstreak (Callophrys nelsoni)
or Juniper Hairstreak (Callophrys gryneus nelsoni)

Greenhorn Mountains, Kern Co., CA
31 May 1999

Greenhorn Mountains, Kern Co., CA
31 May 1999

Hodgdon Meadow, Yosemite N.P., Tuolumne Co., CA
29 May 2000