Trichaphodioides, Paulian, 1942

Gordon, Robert D., Bordat, Patrice, Dellacasa, Giovanni & Dellacasa, Marco, 2008, Dung beetles (Coleoptera: Scarabaeidae: Aphodiinae) of the Mpala Research Centre and environs, Laikipia District, Kenya, Insecta Mundi 2008 (28), pp. 1-15 : 12

Key to Laikipia species of Trichaphodioides

1. Elytra completely pubescent, pubescence on disc distinctly visible ........ T. cinerascens (Klug)

— Elytra with apical and lateral pubescence, disc not pubescent, or if so pubescence not distinctly visible ........................................................................................................................................ 2

2(1). Ventral surface yellow, if dark then legs pale yellow; elytra pale brownish yellow, with contrasting transverse dark mark on apical declivity of each elytron ...................... T. schaumi (Harold)

— Ventral surface brown or dark brown, legs brown or yellowish brown; elytra brown, with or without obscure transverse mark on apical declivity of each elytron ...................................... 3

3(2). Dorsal color predominantly reddish brown; elytral intervals alutaceous, shiny; body comparatively short, wide ..................................................................................... T. calcaratus (Boheman)

— Dorsal color predominantly dark brown; elytral intervals alutaceous, dull; body comparatively elongate, narrow ................................................................................. T. pulchellus (Müller)