Onthophagus (Colobonthophagus) triceratops Arrow, 1913

Kharel, Bhim Prasad, Schoolmeester, Paul & Sarkar, Subhankar Kumar, 2020, A first faunistic account on the Onthophagus Latreille, 1802 (Coleoptera, Scarabaeidae, Scarabaeinae) of the Nadia district, West Bengal, with a preliminary checklist from India, Check List 16 (2), pp. 361-381 : 371

Onthophagus (Colobonthophagus) triceratops Arrow, 1913

Figure 4G

Material examined (1♂). India, West Bengal, Nadia, Nakashipara (23°35′34″N, 088°20′55″E), S.K. Sarkar leg., 11.IX.2018, KUZEN S0235 (1♂).

Identification (♂). This species can be distinguished from other Onthophagus species by the broad head, which is angularly dilated above eyes and with a pair of strongly curved and convergent horns on the vertex, the base of which is flat and plate like; clypeus truncate, with a feeble straight carina separating it from the forehead, clypeal margin strongly reflexed; pronotum minutely and sparsely punctate, with anterior angles pointed and posteriorly slightly rounded; metaventrite coarsely punctate laterally.

Geographical distribution. India: Arunachal Pradesh, Assam, Gujarat, Karnataka, Rajasthan, Tripura, and West Bengal ( Arrow 1931; Biswas and Chatterjee 1985, 1986a; Chatterjee and Biswas 2000; Sewak 2006, 2009a; Karimbumkara and Priyadarsanan 2013; Sarkar et al. 2015).

Remarks. This species is widely distributed throughout the country.