Onthophagus parafuscus Zunino & Halffter, 2005, new rank
Figs. 9–10, 18–20
Onthophagus fuscus orientalis Zunino & Halffter, 1988: 82 –83; Krajcik 2006: 106; Onthophagus fuscus parafuscus Zunino & Halffter, 2005: 149 (replacement name); Pulido-Herrera & Zunino 2007: 103; Moctezuma et al. 2016: 33, 35–36
Type material examined (1 male, 1 female). Holotype male: “ México, Agua Blanca, Edo. de Hidalgo, 5/VII/70, J. Gimate col.” (GHC). Paratype. 1 female: “ México, Agua Blanca, Edo. de Hidalgo, 5/VII/70, J. Gimate col.” (GHC) .
Non-type material examined. 1 male: “ México, Veracruz, Cruz Blanca, Carretera Xalapa Perote. 17/X/1989. L. Arellano col. Potrero. Alt. 2340 m. Colecta directa en excremento de vaca” (CEMT) .
Remarks. Length: 9.1 ± 0.1 mm. The following set of characters support the new status of O. parafuscus (Table 1): pronotal and elytral pubescence sparse and short sized (more crowded and longer in O. fuscus); major male clypeal carina lacking (weakly developed in O. fuscus); major male frontal carina complete (not impressed laterally in O. fuscus); apex of the major male pronotal prominence blunt (acute in O. fuscus); female frontal carina complete (not impressed laterally in O. fuscus); apical-superior area of the parameres right angled, laterally concave (obtuse in O. fuscus); apex of the lamella copulatrix acute (claw shaped in O. fuscus). Onthophagus parafuscus occurs in the Southern Sierra Madre Oriental, Eastern Trans-Mexican Volcanic Belt (Fig. 17).