Hesp. rafflesia, McLeay, Appendix to King's Survey of Australia, 463.
Anterior wings black above, with a transverse macular sulphur-coloured band beyond the middle, and a submarginal one, broadest towards the apex, composed of greenish atoms. Posterior wings with a large oval sulphur-coloured spot in the cell, separated only by the median nervure from a smaller one on the abdominal margin near the base, and followed by a sub-trigonate one divided into three parts by the median nervules. Below, the markings are nearly as above, with the addition of a greenish line along the costa of the anterior wings, bending downwards at its termination. Posterior wings encircled by a marginal band of the same greenish colour.
Head black, orbits of the eyes and a line across the vertex white. Palpi bright crimson except the last joint which is black. Antennae black. Thorax black. Abdomen above black, the base and the edges of four of the segments whitish, last segment bright crimson; below, whitish at the base, crimson beyond the middle.
Exp. alar. 2 un. 9 lin.
Habitat: New Holland.
Genus SYNEMON, Doubleday.
Head round, eyes large, forehead broad.
Maxillae rather long.
Labial palpi short, clothed with dense long scales, first joint short, second more than double the length of the first, tapering towards its extremity, third joint about equal in length to the second, sub cylindric, tapering towards the apex. Antennae with a stout, short club, more or less mucronate at the apex, the mucro mostly if not always with a tuft of scales at the point, the club sometimes appearing compressed (perhaps from desiccation).