Onthophagus (Onthophagus) socialis Arrow, 1931

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 : 370-371

Onthophagus (Onthophagus) socialis Arrow, 1931

Figure 4F Material examined (1♀). India, West Bengal, Santi-

pur (23°15′57″N, 088°26′29″E), B.P.Kharel leg., 23.VIII. 2018, KUZEN S0234 (1♀).

Identification (♀). This species can be distinguished from other Onthophagus species by the head broad, strongly rounded laterally, with a straight carina on vertex; clypeus rugose, anteriorly rounded, with a strong carina separating it from the forehead; pronotum strongly punctate, with a pair of prominences behind the front margin, anterior angles blunt; elytra deeply striate, with convex interstriae; metaventrite coarsely punctate.

Geographical distribution. India: Maharashtra, Karnataka, and Tamil Nadu ( Arrow 1931; Chandra 2005; Karimbumkara and Priyadarsanan 2013).

Remarks. This species is newly recorded for West Bengal state.