Archduke

The archdukes are a genus, Lexias, of tropical forest-dwelling butterflies that are common throughout Southeast Asia and Australasia. Members of the brush-footed butterfly family Nymphalidae, the genus is represented by about 17 species. Two very similar and coexisting genera are Tanaecia (the viscounts and earls) and Euthalia (the barons and counts), the latter previously including some Lexias species. The largest species reach a wingspan of about .