Onthophagus onthochromus Arrow, 1913
Onthophagus onthochromus Arrow 1913a: 460 (Brazil - LECTOTYPE)
Distribution. Guyana: Forsyth and Gill 1993: 70. Brazil (NA): Arrow 1913a: 460; Gillet and Boucomont 1927: 207; Boucomont 1932: 328; Blackwelder 1944: 211; Bacchus 1978: 106 (designation LECTOTYPE Onthophagus onthochromus); Vaz-de-Mello 2000: 194 (as O. (Onthophagus) onthochromus); Quintero and Roslin 2005: appendix A (NA); Pulido Herrera and Zunino 2007: 111; Gardner et al. 2008: table S1 (NA). Other: Pulido Herrera and Zunino 2007: 111 (Bolivia).