Key to species of Ochodaeus in Madagascar

1. Pronotum everywhere strongly, densely granulate with elevated tubercles (Fig. 13)........ 2

— Pronotum either entirely smooth and punctate or with weak granulation confined to disc (Fig. 14)........................................................................ 4

2(1). Elytral tubercles on intervals sparse; body length less than 4 mm.... O. pygmaeus Paulian

— Elytral tubercles dense; body length greater than 4 mm............................... 3

3(2). Median thickening of clypeal bead variable, lateral thickening always evident (Fig. 15); body usually> 9.0 mm....................................... O. isoanalensis Paulian

— Median thickening of clypeal bead simply convex, bead thin laterally (Fig. 16); body length usually 4.5–8.0 mm................................................... O. miliaris Klug

4(1). Pronotal surface simply punctate............. O. modopunctatus Paulsen, new species

— Pronotal surface weakly granulate on disc.......................................... 5

5(4). Clypeal bead evenly curved (Fig. 17). Mentum deeply, entirely furrowed (Fig. 5). Males usually with 2 pollices on protibia.................. O. polypollicatus Paulsen, new species

— Clypeal bead wavy (Fig. 18). Mentum with furrow not reaching past middle (Fig. 6). Males with a single pollex on protibia...................... O. meandrus Paulsen, new species