 Beneath like medusa, but deep black above, the forewing bearing ferruginous red black-dotted spots; in the Bavarian Alps, up to 3000 ft. — transiens Ruhl-Heyne (= "medusa" var.Stgr) comes nearer psodea ; the ocelli are larger and more numerous than in "medusa" ; the hindwing beneath more or less dusted with grey in the female ; East Siberia.— Larva light green, with light-edged dark dorsal line, a light line above the stigmata, a white line above the legs, and 2 black ocelli on the head.