Onthophagus (Onthophagus) marginicollis Harold, 1880 Plate 42B
Onthophagus marginicollis Harold, 1880a: 31 (original description. Type locality: Ambalema).
Onthophagus marginicollis: Gillet 1911a: 207 (catalog of species); Boucomont and Gillet 1927: 207 (catalog of species); Boucomont 1932: 303 (characters in key), 327 (distribution); Blackwelder 1944: 211 (list of species from Latin America); Vulcano and Pereira 1967: 563 (characters in key); Zunino and Halffter 1997: 161 (list of species); Vaz-de-Mello 2000: 194: (cited for Brazil); Medina et al. 2001: 139 (list of species from Colombia); Pulido-Herrera and Zunino 2007: 108 (catalog of species); Krajcik 2012: 182 (complete list of species); Ratcliffe et al. 2015: 195 (cited for Peru); Rossini et al. 2018b: 10 (list of species of the hircus complex), 11 (figure 3c); Delgado and Curoe 2014: 65 (characters in key, cited for Panama).
Onthophagus (Onthophagus) marginicollis: Chamorro et al. 2018: 97 (cited for Ecuador).
Types specimens.
Onthophagus marginicollis Harold, 1880. Two syntypes examined deposited at the MNHN. Lectotype to be designated in a future work on this species group.
Distribution.
Brazil, Bolivia, Colombia, Costa Rica, Cuba, Ecuador, El Salvador, Guatemala, Guyana, Mexico, Nicaragua, Panama, Peru, and Venezuela.
Records examined.
ORELLANA: Coca-Napo (1 specimen MQCAZ).
Temporal data.
Collected in April.
Remarks.
Inhabits the lowland evergreen forests of the Amazon region. The collection method is unknown.