Adult (male), Southern Hungary, June 22, 2008
(Photo by Bernard Fransen, Photography of European Butterflies and Moths)

Adult (female), Southern Hungary, June 22, 2008
(Photo by Bernard Fransen, Photography of European Butterflies and Moths)

Adult (male), Southern Hungary, June 22, 2008
(Photo by Bernard Fransen, Photography of European Butterflies and Moths)

Adult (male), Southern Hungary, June 22, 2008
(Photo by Bernard Fransen, Photography of European Butterflies and Moths)

Adult (female), Southern Hungary, June 22, 2008
(Photo by Bernard Fransen, Photography of European Butterflies and Moths)

Adult (male), Onon River right bank floodland, 7 km upstream of the village Nizhnii Tsasuchei, SE Chita Province, Transbaikalia, Siberia, Russia, July 5, 1995
(Photo by Oleg Kosterin, WildLife photography in Siberia and Central Asia)

Adult (male), Irtysh River left arm within the Omsk City, West Siberia, Russia, August 30, 1994
(Photo by Oleg Kosterin, WildLife photography in Siberia and Central Asia)

Adult (female), Onon River left bank floodland, 5 km upstream of the village Nizhnii Tsasuchei, SE Chita Province, Transbaikalia, Siberia, Russia, July 1, 1996
(Photo by Oleg Kosterin, WildLife photography in Siberia and Central Asia)