Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Mnestra's Ringlet (Erebia mnestra) is a member of the Satyrinae subfamily of Nymphalidae. It is a mountain butterfly found in the Alps of Austria, France , Italy and Switzerland. The Mnestra's ringlet is named for Mnestra, a daughter of Erysichthon, King of Thessaly in Greek mythology.Satyrinae, the satyrines or satyrids, commonly known as the Browns, is a subfamily of the Nymphalidae (brush-footed butterflies). They were formerly considered a distinct family, Satyridae. This group contains nearly half of the known diversity of brush-footed butterflies. It is estimated that the true number of the Satyrinae species may exceed 2,400.