HypocystaHypocysta is a genus of butterflies in the family Nymphalidae found in Oceania.SpeciesThe genus contains 12 species.Hypocysta adiante – orange ringlet Hypocysta angustata Waterhouse & Lyell, 1914 – black and white ringletHypocysta aroa Bethune-Baker, 1908Hypocysta euphemia Westwood, – rock ringletHypocysta haemonia Hewitson, 1863Hypocysta irius – northern ringletHypocysta metirius Butler, 1875 – common brown ringletHypocysta osyris Hypocysta isis Fruhstorfer, 1894Hypocysta calypso Grose-Smith, 1897Hypocysta serapis Grose-Smith, 1894Hypocysta pseudirius Butler, 1875 – dingy ringlet