About Lethe eurydice Linnaeus, 1763
This butterfly species, currently cited as Lethe eurydice Linnaeus, 1763, is also known under the synonym Satyrodes eurydice. It is commonly called the eyed brown or marsh eyed brown, and is a member of the Satyrinae subfamily of butterflies native to North America. This species has two recognized subspecies: the nominate subspecies Lethe eurydice eurydice, commonly called the eyed brown, and Lethe eurydice fumosa, commonly called the smokey eyed brown, first described by Leussler in 1916. The wingspan of adults ranges from 38 to 48 millimeters. This species produces one generation of offspring per year, with adults active in flight from late June through August. Larvae of this species feed on sedges from the genus Carex, with confirmed host plants including Carex lacustris, Carex atherodes, Carex rostrata, and Carex stricta.
