Papilio iswara, the great Helen, is a species of large swallowtail butterfly found in parts of Southeast Asia.
Papilio iswara is not uncommon and not threatened.
Papilio iswara is a member of the helenus species group. The members of this clade are:
The holotype is conserved in the Natural History Museum, London.
Papilio iswara, the great Helen, is a species of large swallowtail butterfly found in parts of Southeast Asia.