Eresia nauplius, the Peruvian crescent or Nauplius crescent, is a butterfly of the family Nymphalidae. It was described by William Chapman Hewitson in 1852. It is found in most of the Amazon region. The habitat consists of forest edges with low vegetation, including river banks, forest clearings, glades and roadsides.
The wingspan is about 45 mm.Parque Nacional Sangay (Ecuador)learnbutterflies.com
Subspecies Eresia nauplius nauplius (Guyanas, Brazil: Amazonas) Eresia nauplius extensa (Hall, 1929) (Brazil: Mato Grosso, lower Rio Madeira) Eresia nauplius plagiata (Röber, 1913) (Brazil, Colombia, Peru, Ecuador)
References
Eresia nauplius at MCZBASE: The Database of the Zoological Collections