''Nacaduba schneideri '' is a species of

lycaenid Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfl ...

butterfly found in the Australasian realm where it is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the

Bismarck Archipelago The Bismarck Archipelago (, ) is a group of islands off the northeastern coast of New Guinea in the western Pacific Ocean and is part of the Islands Region of Papua New Guinea. Its area is about 50,000 square km. History The first inhabitants o ...

. The species was first described by

Carl Ribbe Carl Heinrich Michael Ribbe (November 16, 1860, Berlin - August 27, 1934, Radebeul Dresden) was a German explorer and entomologist. Carl Ribbe was an insect dealer in Berlin. He travelled widely in the South Seas, exploring Celebes, the Aru Isla ...

in 1899.''Nacaduba''
at Markku Savela's website on Lepidoptera

References

{{Taxonbar, from=Q21311346 Nacaduba Butterflies described in 1899 Lepidoptera of New Guinea Butterflies of Oceania Taxa named by Carl Ribbe