Genus Onitis Fabricius, 1798
Onitis Fabricius, 1798, Ent. Syst. Suppl.: 2 (Type species: Scarabaeus inuus Fabricius 1781).
Key to species of Onitis from Hong Kong.
1 Pronotum very feebly punctate ............................................................................................................................................................2
Pronotum clearly punctate....................................................................................................................................................................3 2 Metasternum transversely excavated in the middle, male genitalia in a total length of 6.6 mm ............ Onitis excavatus Arrow, 1931
Metasternum not transversely excavated in the middle, male genitalia in a total length of 5.8mm ..... Onitis falcatus (Wulfen, 1786) 3 Metasternum longitudinally grooved ........................................................................................ Onitis intermedius Frivaldszky, 1892
Metasternum flat, not grooved ............................................................................................................. Onitis subopacus Arrow, 1931