Tribe Onthophagini Burmeister, 1846

Onthophagini Burmeister, 1846, Genera Quaedam Insectorum:? [unnumbered pages] (Orignal spelling as Onthophagidae, type genus: Onthophagus Latreille, 1802).

Alloscelini Janssens, 1946, Mém. Mus. R. Hist. Nat. Belg.: 10 (Orignal spelling as Alloscelides, type genus: Alloscelus Boucomont, 1923).

Key to genera of Onthophagini from Hong Kong.

1 Front margin of protibia straight and perpendicular to the inner margin; pronotum with marginate antennae concave......................... .................................................................................................................................................................. Caccobius Thomson, 1863 The above characteristics not present or not present at the same time ................................................... Onthophagus Latreille, 1802