Euthalia patala, the grand duchess, is a butterfly of the family Nymphalidae (Limenitidinae). It is found in the Indomalayan realm."Euthalia Hübner, " at Markku Savela's Lepidoptera and Some Other Life Forms
Description Wings olive-green with black in the costal nervure; the forewings with a spotted white band across the middle, from the middle of the anterior margin towards the posterior angle, and two white spots near the summit; the hinder wings with three spots in the centre of the anterior margin.Under surface like the upper, but of a cinereous colour.Expanse of wings four inches.
Subspecies E. p. patala North India, Nepal, Assam E. p. taooana (Moore, 1878) Burma, Thailand, China E. p. lengba (Tytler, 1940) Maniur
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