The Post of Wallis & Futuna Islands issued a set of two stamps feature the endemic butterflies species, Papilio montrouzieri and Danaus pumila on June 28, 2005 .
Papilio montrouzieri is a species of swallowtail butterfly from the genus Papilio that is endemic to New Caledonia. General description is scale up to 10 cm and metallic blue on top of the wings.Distributed in Grande Terre and the Loyalty Islands in New Caledonia. Their habitat are in harvested forest like : Pine Peak, Port Wooded.
Danaus pumila , The Least Tiger (Parantica pumila) is a species of butterfly in the Danainae subfamily. It is found in New Caledonia and Vanuatu.