Very common butterfly found all over the island. It has a crepuscular habit and can be seen on the wing at dawn and dusk, though sometime active even day time in shady places. Under side of wings vary with season and wet season form is much darker than dry season form as shown in above figures. Common Evening Brown larva feeds by night on varies type of grasses [Arundo donax, Eleusine indica (බැල තණ/වල්මල් කුරක්කන්/Goose Grass), Cenchrus ciliaris, Imperata cylindrica (ඉලුක්/Blady Grass/Spear Grass/Cogon Grass), Ischaemum timorense Leersia hexandra (ලෙව්/Bareet Grass), Panicum maximum(ගිනි තණ/Guinea grass) Setaria barbata ] and paddy (Oryza sativa) of the family Poaceae. Its larva also fed on Carpet grass/පොටු තණකොළ (Axonopus compressus) only when offered in the lab.
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