The Eyed Brown or Marsh Eyed Brown (Satyrodes eurydice) is a species of Satyrinae that is native to North America.There are two subspecies—the nominate species, Eyed Brown (S. e. eurydice), and the Smokey Eyed Brown (S. e. fumosa) (Leussler, 1916).Wingspan: 38 to 48 mm.They have one brood with a flight period from late June through August.Larvae feed on sedges (Carex) in particular Carex lacustris, Carex atherodes, Carex rostrata, and Carex stricta.