Adult (female), Campo Imperatore, Gran Sasso (L'Aquila), Italy, July 19, 2008
(Photo by Paolo Mazzei)

Adult (female laying eggs), Campo Imperatore, Gran Sasso (L'Aquila), Italy, July 19, 2008
(Photo by Paolo Mazzei)

Adult (male), Campo Imperatore, Gran Sasso (L'Aquila), Italy, July 19, 2008
(Photo by Paolo Mazzei)

Adult (male), Rifugio Talarico, Pietraporzio (Cuneo), Italy, July 21, 2002
(Photo by Paolo Mazzei)

Adult, Eastern Pyrenees, July 13, 2004
(Photo by Jérôme Albre)

Adult (male), Rifugio Talarico, Pietraporzio (Cuneo), Italy, July 22, 2002
(Photo by Ilaria Pimpinelli)

Adult (male), Rifugio Talarico, Pietraporzio (Cuneo), Italy, July 22, 2002
(Photo by Ilaria Pimpinelli)

Adult (male), Rifugio Talarico, Pietraporzio (Cuneo), Italy, July 22, 2002
(Photo by Ilaria Pimpinelli)

Adult, Gran Sasso (L'Aquila), Italy, June 1997
(Photo by Paolo Mazzei)

Adult, Gran Sasso (L'Aquila), Italy, July 1999
(Photo by Paolo Mazzei)

Adult, Ardre, Gotland, Sweden, July 22, 2004
(Photo by Jens Christian Schou, BioPix)

Adult, Hall-Hangvar naturreservat, Gotland, Sweden, July 22, 2004
(Photo by Jens Christian Schou, BioPix)

Adult (female) ssp. marteni Eisner, 1956, Provincia de Burgos, Spain, July 2005
(Photo by Rafael Estevez Rodríguez, fotonatura.org)

Adult (female) ssp. hispanicus Oberthür, 1883, Sierra de Albarracin (Teruel), Spain, June 2005
(Photo by Rafael Estevez Rodríguez, fotonatura.org)

Adult (female) ssp. pozazalensis Gómez-Bustillo & Fernández-Rubio, 1971, provincia de Palencia, 1350 m, Spain, July 2005
(Photo by Rafael Estevez Rodríguez, fotonatura.org)

Larva, Gran Sasso (L'Aquila), Italy, May 1997
(Photo by Paolo Mazzei)

Larva, Pied du Mélezet près de Ceillac, Hautes-Alpes (05), France, June 2004
(Photo by Claire Hoddé, Papillons: observer des papillons)

Pupa, Gran Sasso (L'Aquila), Italy, June 1997
(Photo by Paolo Mazzei)

Egg, Rifugio Talarico, Pietraporzio (Cuneo), Italy, July 22, 2002
(Photo by Paolo Mazzei)