Dichotomius (Dichotomius) monstrosus (Harold, 1875)

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

Dichotomius (Dichotomius) monstrosus (Harold, 1875) Plate 25C

Pinotus monstrosus Harold, 1875c: 210 (original description. Type locality: Medellin und La Mesa Nue Granda [= Nueva Granada, Colombia]).

Pinotus monstrosus : Gillet 1911a: 61 (complete list of species); Campos 1921: 56 (cited for Ecuador); Luederwaldt 1929: 45 (characters in key); Blackwelder 1944: 207 (list of species from Latin America); Contreras 1951: 222 (cited for Colombia).

Dichotomius monstrosus : Medina et al. 2001: 138 (cited for Colombia); Carvajal et al. 2011: 320-321 (cited for Ecuador); Krajcik 2012: 91 (complete list of species); Arias-Buriticá and Vaz-de-Mello 2013: 216 (distribution); Sarmiento-Garcés and Amat-García 2014: 34 (characters in key), 35 (diagnosis).

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

Type specimens.

Pinotus monstrosus Harold, 1875. Two syntypes examined deposited at the MNHN (ex coll. E Steinheil). Lectotype to be designated in a future work on this species group.

Distribution.

Colombia and Ecuador.

Records examined.

CARCHI: El Carmelo, 2800 m (2 specimens MUTPL). NAPO: Cosanga, 2150 m (1 specimen MEPN); Cordillera de los Guacamayos (1 specimen CEMT); Oyacachi road to Chaco, 2600 m (1 specimen CEMT); Oyacachi, 2350 (1 specimen CEMT); Sumaco, 3100 m (2 specimen MQCAZ). SUCUMBÍOS: La Bonita (1 specimen CEMT).

Literature records.

MORONA SANTIAGO: Macas ( Campos 1921: 56). PASTAZA: Canelos ( Campos 1921: 56); Sarayacu ( Campos 1921: 56).

Temporal data.

Collected in January, February, March, July, October, and November.

Remarks.

Inhabits the montane cloud forests and the evergreen high montane forests of the Andean region from 2150-3100 m a.s.l. Collected manually.