Euthalia anosia, the grey baron, is a butterfly of the family Nymphalidae (Limenitidinae). It is found in the Indomalayan realm.<ref>[http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/nymphalidae/limenitidinae/euthalia/ " Euthalia " Hübner, [1819"] at Markku Savela's Lepidoptera and Some Other Life Forms</ref> SubspeciesE. a. anosia Assam, Burma, Thailand, YunnanE. a. phernes Fruhstorfer, 1913 SikkimE. a. saitaphernes Fruhstorfer, 1913 SikkimE. a. yenadora Fruhstorfer, 1913 JavaE. a. bunaya Fruhstorfer, 1913 Peninsular Malaya, SumatraE. a. dodanda Fruhstorfer, 1913 MalayE. a. yapola Fruhstorfer, 1913 BorneoE. a. pagiana Corbet, 1942 Mentawei IslandE. a. mindanaensis Schröder & Treadaway, 1978 Philippines (Mindanao)E. a. yao'' Yoshino, 1997 Guanxi References Butterflies described in 1857 anosia