Renorphnus Frolov et Montreuil, 2009
Type species: Orphnus clementi Petrovitz, 1971, by monotypy.
Body small sized (length 7.0 to 9.5 mm), with uniform brown coloration. Mandibles subsymmetrical. Clypeus of both sexes similar, not tuberculate, with more or less raised anterior margin in the middle. Pronotum wider than long, smooth, similar in both sexes, with shallow, sometimes almost indistinct depression anteriorly and 2 small tubercles aside the depression. Propleurae smoothly convex, without carinae separating anterolateral areas from basal area. Scutellum triangular, narrowly rounded apically, about 1/12 length of elytra. Elytra convex, with humeral umbones, with only first stria distinct. Wings fully developed. Metepisternon triangular, tapering caudally, with slightly widened anterodorsal angle slightly overlapping epypleuron. Anterior tibiae of males with apical outer tooth directed almost parallel to the inner margin of tibia, while in female it is directed somewhat laterad. Phallobase strongly sclerotized dorsally and with a thin membrane ventrally. Parameres tapering apically in lateral view and with a minute teeth at very apex, without setae. Internal sac with an area composed of small spinules and with 2 characteristic semicircular sclerites.
Species composition. One species is known.
Distribution. Endemic to Madagascar. R. clementi is widely distributed in the island. The beetles were collected in wet forests in the eastern part of the island including littoral forests on the eastern coast and in relatively dry areas with secondary forest in western part of Madagascar.
Paulian, R. (1977) Les Orphnidae de Madagascar. Bulletin du Muséum National d'histoire naturelle, Paris. Ser. 3., 411, 1199-1223.
Petrovitz, R. (1971) Beitrag zur Kenntnis der Gattung Orphnus M'Leay (Orphninae, Scarabaeidae, Coleoptera). Revue de Zoologie et Botanique Africaine, 84, 1-46.