"Polychroa (Billberg, 1820)" . . "Epicallia (Erichson, 1848 (non H\u00FCbner,[1820]:preoccupied)" . . . "Nessaea is a genus of nymphalid butterfly found in the Neotropical Ecozone. Unlike virtually all other butterflies with blue coloration, the blue colors in this genus are due to pigmentation[1] rather than iridescence (e.g., Morpho species)."@en . . . "Nessaea"@en . . . .