Canthidium (Canthidium) onitoides (Perty, 1830) Plate 8D

Onthophagus onitoides Perty, 1830: 41 (original description. Type locality: Brazilia australi, Prov. S Pauli.).

Canthidium onitoides: Harold 1867a: 31 (redescription under the new combination as C. onitoides); Harold 1867b: 79 (redescription); Gemminger and Harold 1869: 1006 (complete list of species); Gillet 1911a: 56 (complete list of species); Blackwelder 1944: 205 (list of species of Latin America); Vulcano and Pereira 1967: 594 (characters in key); Vaz-de-Mello 2000: 191 (cited for Brazil); Medina et al. 2001: 138 (cited for Colombia); Krajcik 2012: 62 (complete list of species).

Canthidium (Eucanthidium) onitoides: Martínez and Halffter 1986: 33 (cited for Brazil: Amazonas).

Canthidium (Canthidium) onitoides: Cupello 2018: 462 (transferred to the subgenus Canthidium (Canthidium) Erichson, 1847); Chamorro et al. 2018: 88 (figure 11E), 89 (figure 12 D), 92 (cited for Ecuador).

Choeridium trituberculatum Lucas, 1857: 102 (original description); Harold 1867b: 79 (cited as synonym of Canthidium onitoides Perty, 1830); Gemminger and Harold 1869: 1006 (cited as trituberculatum Luc); Gillet 1911a: 56 (cited as trituberculatum Luc); Blackwelder 1944: 205 (cited as trituberculatum Luc); Cupello, 2018: 462 (cited for Peru).

Type specimens.

Onthophagus onitoides Perty, 1830. One syntype examined deposited at the ZSM. Lectotype to be designated in a future work on this species group.

Choeridium trituberculatum Lucas, 1857. The holotype is deposited at the MNHN. Locality: Perou Rio Ucayali, examined.

Holotype (sex unknown): "10 / 47 [hw]", "Perou / Rio. / Ucayali / de Castelnau / 10-1847 [hw]", "Choeridium / trituberculatum / Luc. [hw]", "HOLOTYPE [p, red label, black margin]".

Distribution.

Brazil, Colombia, and Ecuador.

Records examined.

ORELLANA: Ines Arango road Tiwino-río Shiripuno, 250 m (1 specimen MUTPL); Tiputini Biodiversity Station, Parque Nacional Yasuní, 215 m (1 specimen MUTPL); road to Maxus km 90 Zaparo, Parque Nacional Yasuní, 245 m (1 specimen MUTPL). PASTAZA: Bosque Protector Oglán Alto, 950 m (3 specimens MUTPL). SUCUMBÍOS: Pacayacu Campo Libertador Tapi, 265 m (1 specimen MUTPL).

Literature records.

PASTAZA: Sarayacu (Gemminger and Harold 1869:1006).

Temporal data.

Collected in January, April, July, October, and December.

Remarks.

Inhabits the lowland evergreen forests and the foothill evergreen forests of the Amazon region from 215-950 m a.s.l. Collected with pitfall traps baited with human feces and canopy fogging methods.