Nessaea

Nessaea is a genus of nymphalid butterflies found in the Neotropical realm. Unlike virtually all other butterflies with blue coloration, the blue colors in this genus are due to pigmentation [pterobilin (biliverdin IXγ)] rather than iridescence (e.g., Morpho species).

Species
Accepted species:
 * Nessaea aglaura Doubleday [1848] – common olivewing, northern nessaea or Aglaura olivewing
 * Nessaea ecuadorensis Talbot 1932
 * Nessaea batesii C. & R. Felder 1860 – Bates olivewing
 * Nessaea magniplaga Röber 1928
 * Nessaea hewitsonii C. & R. Felder 1859 – Hewitson's olivewing
 * Nessaea obrinus Linnaeus 1758 – obrina olivewing
 * Nessaea faventia Fruhstorfer 1910
 * Nessaea latifascia Röber 1928
 * Nessaea romani Bryk 1953
 * Nessaea regina Salvin 1869
 * Nessaea thalia Bargmann 1928

Unaccepted species:
 * Nessaea margaretha Krüger 1933 - unavailable name and infrasubspecific name
 * Nessaea ancaeus Linnaeus 1767 - junior subjective synonym
 * Nessaea lesoudieri Le Moult 1933 - junior subjective synonym
 * Nessaea coniuncta Krüger 1933 - unavailable name and infrasubspecific name