The new genus Indomerus, described below, belongs to the group Calliptamini and is closely related to the group of genera characterised by a single tooth under the apical lobe of the cercus, but differs from all of them, except Paracaloptenus I. Bol. and Peripolus Mart., by the lobiform elytra. It differs from both Paracaloptenus and Peripolus by the broad, spade-shaped prosternal tubercle. From Peripolus the new genus differs also by the shape of the apical tooth of cercus, which in Indomerus is recurved backwards and covered by the upper lobe, while in Peripolus this tooth is lobiform like the upper lobe; from Paracaloptenus it differs by the excurved posterior margin of the pronotum which in Paracaloptenus is slightly incurved.