Orange Sulphur - Colias eurytheme

A female Colias eurytheme (Orange Sulphur) from Towsley Canyon in Newhall, Los Angeles County on June 29, 2008.

Orange Sulphur - Colias eurytheme

This is a male Colias eurytheme from Palomar Mountain in San Diego Co. photographed July 24, 2007.

Orange Sulphur - Colias eurytheme

This is a female Colias eurytheme that was very white, especially noticable when it was flying. They are form 'alba'. Taken at Cottonwood Spring in Joshua Tree National Park on March 18, 2008.