Echinocosma catachrysa - https://inaturalist.ala.org.au/observations/325999212 https://inaturalist.ala.org.au/observations?place_id=6744&preferred_place_id=6744&quality_grade=research&taxon_id=789423 In Merocroca automima the brown patch has a rounded well defined edge and does not flare out into the yellow area.