danaus affinis or the Swamp tiger is a nymphalid butterfly.they feed on Ischnostemma selangorica
It can be mistaken for Danaus melanippus, but can be distinguished by the much reduced white markings on the hindwings, which also display some orange markings, the same colour as the forewing.
Danaus affinis - Danaus chrysippus - Danaus cleophile - Danaus dorippus - Danaus eresimus - Danaus erippus - Danaus genutia - Danaus gilippus - Danaus ismare - Danaus melanippus- Danaus petilia - Danaus plexippus -