DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY
Common blue butterflies (Polyommatus icarus) on a plant with their wings closed. Male uppersides are an iridescent lilac blue with a thin black border. Females are usually brown with a row of red spots along the edges and some blue at the base of the wings. Photographed in the UK, in August.
Model release not required. Property release not available.