Onthophagus (Onthophagus) digitifer Boucomont, 1932 Plate 41B
Onthophagus digitifer Boucomont, 1932: 324 (original description. Type locality: Pérou, Puno Chanchamayo, Vilcanota; Colombie orientale, Huaso).
Onthophagus digitifer: Balthasar 1941: 352 (cited for Peru); Blackwelder 1944: 211 (list of species from Latin America); Balthasar 1951: 337 (cited for Peru); Howden and Young 1981: 111 (cited as synonym of Onthophagus coscineus Bates, 1887); Kohlmann and Solís 2001: 187 (cited as synonym of Onthophagus coscineus Bates, 1887); Ratcliffe 2002: 17 (cited as synonym of Onthophagus coscineus Bates, 1887); Pulido-Herrera and Zunino 2007: 102 (catalog of species, distribution); Solís and Kohlmann 2012: 8 (cited as synonym of Onthophagus coscineus Bates, 1887).
Onthophagus (Onthophagus) digitifer: Chamorro et al. 2018: 97 (cited for Ecuador).
Type specimens.
Onthophagus digitifer Boucomont, 1932. Five syntypes examined deposited at the MNHN and SMTD (coll. C Felsche, ex coll. A Boucomont). Lectotype to be designated in a future work on this species group.
Distribution.
Colombia, Ecuador, and Peru.
Records examined.
ORELLANA: Estación de Biodiversidad Tiputini USFQ, 215 m, Parque Nacional Yasuní (5 specimens CEMT; 1 specimen MUTPL). SUCUMBÍOS: El Dorado de Cascales Pozo Mascarey, 395 m (1 specimen MUTPL).
Temporal data.
Collected in May and June.
Remarks.
Inhabits the lowland evergreen forests of the Amazon region from 215-395 m a.s.l. Collected with flight interception traps and pitfall traps baited with carrion and human feces.