Brephidium exilis or Brephidium exile
Still listed as the smallest butterfly in the world. Just slightly over a half and inch, these are hard to spot as they constantly fly close to the ground. Wings are blue gray near the abdomen and copper most of the wings. The edges are dark with white fringe. The hind wings have black small slashes. Antennae white with black bands. The underside of the wings are a dusty white with copper and white markings and the hind wing had larger black spots than top.
Usually found in alkaline habitats like deserts and salt marshes.
Lat: 37.56, Long: -122.09
Spotted on Oct 26, 2017
Submitted on Nov 14, 2017
and 4 other people favorited this spotting