Sevenia, commonly called tree nymphs, is a genus of forest butterflies in the Nymphalidae family that, as larvae, feed on plants of the Euphorbiaceae family. There are 14 species from continental Africa and 2 (or 3) species from Madagascar. See Idea for the genus of Southeast Asian tree nymphs. ==Taxonomy== Sevenia (as Sallya) has been viewed as a...