Onthophagus (Onthophagus) osculatii Guerin-Meneville, 1855 Plate 43A

Onthophagus osculatii Guérin-Méneville, 1855: 589 (original description. Without type locality).

Onthophagus osculatii: Gemminger and Harold 1869: 1034 (catalog, cited as Onthophagus Osculatii Guér); Harold 1880a: 30 (distribution, cited for Nueva Granada [= Colombia]); Gillet 1911a: 207 (catalog, cited as Onthophagus Osculatii Guér); Boucomont and Gillet 1927: 207 (catalog of species, cited as Onthophagus Osculatii Guér); Boucomont 1932: 305 (characters in key), 329 (distribution, cited for Ecuador); Blackwelder 1944: 212 (list of species from Latin America); Vulcano and Pereira 1967: 564 (characters in key); Zunino and Halffter 1997: 161 (list of species); Medina et al. 2001: 140 (cited for Colombia); Hamel-Leigue et al. 2006: 17 (cited for Bolivia); Pulido-Herrera and Zunino 2007: 112 (catalog of species); Carvajal et al. 2011: 322-323 (cited for Ecuador); Krajcik 2012: 183 (complete list of species); Ratcliffe et al. 2015: 195 (cited for Peru); Rossini et al. 2018a: 546 (figures: 1a-b, 1g-h, 1k-m, 5a), 551-553 (characters in key), 554 (redescription), 555 (distribution); Rossini et al. 2018b: 10 (list of species from osculatii complex).

Onthophagus (Onthophagus) osculatii: Vaz-de-Mello 2000: 194 (cited for Brazil); Chamorro et al. 2018: 97 (cited for Ecuador).

Type specimens.

Onthophagus osculatii Guérin-Méneville, 1855. The neotype (♂) is deposited at the IRSN (see Rossini et al. 2018a: 557). Locality: Brasil. Amazonas. BR 319 km 350, not examined.

Distribution.

Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, and Surinam.

Literature records.

NAPO: 20 km S de Tena (Rossini et al. 2018a: 559); Jatun Sacha Biological Station., 450 m (Rossini et al. 2018a: 559); same locality, 21 km E Puerto Napo, 400 m (Rossini et al. 2018a: 559). NAPO (= ORELLANA): Yasuní ., 250 m (Rossini et al. 2018a: 559). ORELLANA: Estación Cientifica Yasuní, 215 m (Rossini et al. 2018a: 559); Tiputini (Rossini et al. 2018a: 560). PASTAZA: Villano (Rossini et al. 2018a: 559). UNDETERMINED PROVINCE: without specific locality (Boucomont 1932: 305).

Temporal data.

Collected in February, April, July, August, and September.

Remarks.

Inhabits the lowland evergreen forests of the Amazon region from 215-450 m a.s.l. According to Rossini et al. (2018a), this species has been collected with pitfall traps baited with carrion and human feces.