Delias heroni is a butterfly in the family Pieridae. It was described by George Hamilton Kenrick in 1909. It is found in New Guinea (Arfak Mountains).
The wingspan is about 45 mm.
Delias heroni, sp.n. (Pl. VI. fig. 3.)
Male: Differs from pratti in the fore wings being broader and shorter ; the upperside is black, without bronze reflections ; four-fifths of the cell and three-quarters of the inner margin is white; in the hind wings the whole is white, with a black patch at the apex, tapering rapidly into a narrow black border. Underside: the white occupies half the fore wings, and there is a distinct black patch at the end of the cell.The hind wing has no white costal streak, a smaller yellow costal patch at the base, and the black spot double, of quite a different shape, and horizontal, and the whole colour blacker ; the large duller bronzy patch is different in shape.Expanse 50 mm. Hab. Momi, 4000 feet, November and December.