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Nessaea batesii MHNT dos.jpg
Nessaea batesii from French Guyana
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Nymphalidae
Subfamily: Biblidinae
Tribe: Epicaliini
Genus: Nessaea
Hübner, 1819
Type species
Papilio ancaeus
Linnaeus, 1758

Epicallia Erichson, 1848 (non Hübner, [1820]: preoccupied)
Polychroa Billberg, 1820

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)][1] rather than iridescence (e.g., Morpho species).




Vane-Wright, R.I. 1979. The coloration, identification and phylogeny of Nessaea butterflies (Lepidoptera: Nymphalidae). Bulletin of the British Museum (Natural History), Entomology, 38: 27–56.

  1. ^ Doug Taron, "It's all in the structure", Gossamer Tapestry, Retrieved January 25, 2017

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