Dichotomius (Dichotomius) ohausi (Luederwaldt, 1923)

Chamorro, William, Marin-Armijos, Diego, senjo, Angelico & Vaz-De-Mello, Fernando Z., 2019, Scarabaeinae dung beetles from Ecuador: a catalog, nomenclatural acts, and distribution records, ZooKeys 826, pp. 1-343 : 112-114

Dichotomius (Dichotomius) ohausi (Luederwaldt, 1923) Plate 25D

Pinotus ohausi Luederwaldt, 1923: 6 (original description. Type locality: Napo, Ecuador).

Pinotus ohausi : Luederwaldt 1929: 33 (characters in key); Blackwelder 1944: 207 (list of species of Latin America).

Dichotomius ohausi : Vaz-de-Mello 2000: 193 (cited for Brazil); Medina et al. 2001: 138 (cited for Colombia); Sarmiento-Garcés and Amat-García 2009: 288 (redescription), 295 (characters in key); Carvajal et al. 2011: 320-321 (cited for Ecuador); Krajcik 2012: 91 (complete list of species); Sarmiento-Garcés and Amat-García 2014: 50 (characters in key), 56 (diagnosis), 57 (cited for Ecuador); Ratcliffe et al. 2015: 196 (cited for Peru).

Dichotomius (Dichotomius) ohausi : Chamorro et al. 2018: 94 (cited for Ecuador).

Type specimens.

Pinotus ohausi Luederwaldt, 1923. One syntype examined deposited at the MZUSP. Lectotype to be designated in a future work on this species group.

Syntype (♂): "-Napo- / (Ecuad.) / R. Haensch S [p]", "Pinotus ♂ / divergens L. / Lüd. det. 22 [hw]", "17130 [p]", "F. Pereira 1941 [hw]", "COTIPO [p, red label, black margin]".

Distribution.

Brazil, Colombia, Ecuador, and Peru.

Records examined.

MORONA SANTIAGO: Koan, Cordillera del Kutukú (2 specimens MUTPL); NAPO: Bloque 20, Pungarayacu, 610 m (1 specimen MQCAZ); Estación Biológica Jatun Sacha, 400 m, 21 km E de Puerto Napo (8 specimens MECN); without specific locality (1 specimen MZUSP). ORELLANA: Cononaco, Bloque 16 YPF, Parque Nacional Yasuní, 250 m (2 specimens MUTPL); Dayuma Campo Hormiguero, plataforma Hormiguero, 320 m (1 specimen MUTPL); Dayuma Campo Palanda, LLumpac, 295 m (1 specimen MGO-UC; 1 specimen MUTPL); El Dorado plataforma Guarango, 300 m (1 specimen MUTPL); Estación de Biodiversidad Tiputini USFQ, 220 m, Parque Nacional Yasuní (1 specimen MUTPL); Estación Yasuní PUCE, 300 m, Parque Nacional Yasuní (19 specimens MQCAZ); Pozo Daimi 1 (1 specimen CEMT); Rodrigo Borja IAMOE (2 specimens CEMT; 9 specimens MECN); San Sebastian de Coca, 345 m, Comuna Guataraco Campo Pata (1 specimen MUTPL); San Sebastián del Coca, 345 m, Comuna Shamanal Campo Palo Azul (1 specimen MUTPL); Lago San Pedro, plataforma Copal 310 m (1 specimen MUTPL). PASTAZA: Bosque Protector Oglán Alto, 660-810 m (1 specimen MUTPL); road Triunfo-Arajuno (1 specimen CEMT). SUCUMBÍOS: Limoncocha, 250 m (1 specimen MUTPL); 6 km de Dureno, Precooperativa Los Vergeles, 290 m (2 specimens MGO-UC); Bermejo plataforma ER-A road to Lumbaqui (1 specimen MUTPL); Gonzalo Pizarro, Simón Bolivar, 1200 m (5 specimens MECN); Nueva Loja, plataforma Iguana, 310 m (1 specimen MUTPL); Pacayacu Campo Libertador, Tapi, 260 m (1 specimen MUTPL); Pacayacu Campo Libertador, Tetete, 290 m (2 specimens MUTPL); Shushufindi (5 specimens MECN); Tarapoa Campo Marian, plataforma Fanny 5, 260 m (1 specimen MUTPL); Tarapoa, Nuevo Manabí, 270 m (1 specimen MUTPL).

Temporal data.

Collected every month of the year.

Remarks.

Inhabits the lowland evergreen forests, varzea forests and the foothill evergreen forests of the Amazon region from 200-1060 m a.s.l. Collected with pitfall traps baited with carrion and human feces.