wingspan : male 50/55 mm, female 55/60 mm
Eresia datis (formerly Eresia moesta) flies from Colombia to Peru (d’Abrera 1987) ; this butterfly is a Nymphalid which looks like some Ithomiids.
this species has many different and sympatric forms ; f. heliconiformis is the commonest along with the typical form.
seen at Topo, 1300m, at rio Palora and near Mendez.