Onthophagus parafuscus Zunino & Halffter, 2005

Joaqui, Tatiana, Moctezuma, Victor, Sánchez-Huerta, José Luis & Escobar, Federico, 2019, The Onthophagus fuscus (Coleoptera: Scarabaeidae) species complex: an update and the description of a new species, Zootaxa 4555 (2), pp. 151-186 : 165

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 ).

Figures

FIGURE 9. Onthophagus parafuscus male dorsal habitus, holotype.

FIGURE 10. Onthophagus parafuscus female dorsal habitus, paratype.

FIGURE 17. Onthophagus fuscus species group distribution. Species distributions were determined according to specimen labels and specialized literature (Bates 1886–1890; Zunino & Halffter 1988; Delgado & Capistan 1996; Navarrete-Heredia et al. 2001; Zunino 2003; Moctezuma et al. 2016).

FIGURE 18. Aedeagus: A, Onthophagus fuscus; B, O. canescens; C, O. mycetorum; D, O. parafuscus; E, O. pseudofuscus. Redrawn from Zunino & Halffter (1988).

FIGURE 19. Lamella copulatrix: A, O. fuscus; B, O. canescens; C, O. mycetorum; D, O. parafuscus; E, O. pseudofuscus. Redrawn from Zunino & Halffter (1988).

FIGURE 20. Female genitalia: A, O. fuscus; B, O. canescens; C, O. mycetorum; D, O. parafuscus. Redrawn from Zunino & Halffter (1988).