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The upper side of the male's wings is yellow with black borders. The upper side of the female's wings is either yellow or greenish-white with yellow- or white-spotted black borders. The underside of the male's wings is yellow while the female's is yellow or greenish-white, and both have a double hind wing spot trimmed in brownish-red. Its wingspan 32 to 54 mm.
This butterfly may be encountered in fields, lawns, Alfalfa or Clover fields, meadows, and roadsides. Swarms of these butterflies will congregate at mud puddles. They range over most of North America with the exception of Labrador, Nunavut, and northern Quebec.