Mycalesis fuscum

{{Short description|Species of butterfly}}

{{Speciesbox

| name = Malayan bush brown

| image = Mycalesis margites.JPG

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| taxon = Mycalesis fuscum

| authority = (C. & R. Felder, 1860)[http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/nymphalidae/satyrinae/mycalesis/ "Mycalesis Hübner, 1818"] at Markku Savela's Lepidoptera and Some Other Life Forms

| synonyms =

• Mycalesis fusca
• Dasyomma fuscum C. & R. Felder, 1860
• Mycalesis diniche Hewitson, 1862
• Mycalesis margites Hewitson, 1874
• Mycalesis margarites
• Mycalesis adustata Fruhstorfer, 1906
• Mycalesis musculus Fruhstorfer, 1906

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Mycalesis fuscum, the Malayan bush brown, is a butterfly of the family Nymphalidae. It is found on Peninsular Malaysia, Java, Borneo, and Nias.