Scarabaeinae dung beetles from Ecuador: a catalog, nomenclatural acts, and distribution records Author Chamorro, William Author Marin-Armijos, Diego Author senjo, Angelico Author Vaz-De-Mello, Fernando Z. text ZooKeys 2019 826 1 343 http://dx.doi.org/10.3897/zookeys.826.26488 journal article http://dx.doi.org/10.3897/zookeys.826.26488 1313-2970-826-1 B1550A3AE54744509A44BC4366D5E110 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 : Martinez 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-rio Shiripuno, 250 m (1 specimen MUTPL); Tiputini Biodiversity Station, Parque Nacional Yasuni , 215 m (1 specimen MUTPL); road to Maxus km 90 Zaparo, Parque Nacional Yasuni , 245 m (1 specimen MUTPL). PASTAZA: Bosque Protector Oglan Alto, 950 m (3 specimens MUTPL). SUCUMBIOS : 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.