Euthalia patala, the grand duchess, is a butterfly of the family Nymphalidae (Limenitidinae). It is found in the Indomalayan realm. Subspecies E. p. patala North India, Nepal, Assam E. p. taooana (Moore, 1878) Burma, Thailand, China E. p. lengba (Tytler, 1940) Maniur References Butterflies described in 1844 patala