Medusa part of their religion. Medusa was beheaded by the hero Perseus, who thereafter used her head, which retained its ability to turn onlookers to stone, as a weapon until he gave it to the goddess Athena to place on her shield. In classical antiquity the image of the head of Medusa appeared in the evil-averting device known as the "Gorgoneion". The three Gorgon sisters—Medusa, Stheno, and Euryale—were all children of the ancient marine deities Phorcys (or "Phorkys") and his sister Ceto (or "Keto"), chthonic monsters from an archaic world. Their genealogy is shared with other sisters, the Graeae, as in
Erebia euryale year as a caterpillar. The eggs, pearly grey, hatch in the spring. Adults fly from June to September. They feed at mountain flowers, specially at yellow daisies. Caterpillars feed on various grasses ("Anthoxanthum odoratum", "Brachypodium sylvaticum", "Deschampsia cespitosa", "Festuca ovina", "Festuca rubra", "Festuca alpina", "Poa nemoralis", "Carex flacca", "Digitaria", "Milium", "Carex" and "Sesleria" species). Erebia euryale Erebia euryale, the large ringlet, is a species of butterfly belonging to the family Nymphalidae. Subspecies include: This species is endemic to Europe. It can be found in southern Europe, in the Alps, Cantabrian, Pyrenees, Carpathians, Balkans, in northern Europe from Finland to the