1900.] Catalogue of the Coleoptcra of South Africa. 261 



Onthophagus impurus, Har., 

 Coleopt. Heft, iv., 1868, p. 104. 

 0. discolor, Klug. Monatsb. Berl. Acad. 1855, p. 653 ; Peters' Eeis., 

 1862, p. 234. 



"Fuscous black, elytra aciculate, punctato-striate ; head marginate 

 in front and refiexed and produced behind into a raised tubercle ; 

 prothorax obliquely bi-carinate on the upper side ; both head and 

 thorax are deeply punctate and dark copper colour. 



A single example, apparently a male from Tette, of the usual 

 shape and size. Head and thorax dark copper colour, uniformly 

 and densely covered with tolerably large, deep punctures ; clypeus 

 upturned at the apex, vertex free from punctures and armed with 

 a short tubercle, flattened, smooth, excavated behind, and blunt and 

 round at the apex ; prothorax feebly excavated at the sides in front, 

 the excavation on each side is edged by a short ridge running 

 obliquely outwards from the middle raised portion ; elytra dull black 

 almost without metallic lustre, tolerably densely striate and provided 

 with longitudinal feebly impressed lines ; under side with scattered 

 punctures, black, dark coppery, shining, and clothed with a red- 

 brown pubescence; antennae brown with the club lighter in colour." 



Hah. Mozambique. 



Onthophagus nigritulus, Klug, 

 Peters' Eeis. n. Moss., 1862, p. 237. 



** Black, head and thorax very finely punctate, clypeus rounded 

 at apex and not emarginate ; elytra striate and obsoletely punctulate 

 in the intervals. 



Length 2 lin. 



Several examples from Sena. Except for its lesser size, this 

 wholly black species is at first sight very much like the common 

 European 0. ovatus. It distinctly differs, however, in having the head 

 and prothorax very finely punctate, and not densely granular ; the 

 clypeus has no upturned margin nor apical emargination, and the 

 elytra are simply striate and have very fine, scarcely perceptible 

 punctuations in the intervals ; under side with fine scattered punc- 

 tures. No sexual difference. In one example only, possibly a male, 

 the somewhat curved and only slightly raised line between the eyes 

 which is present in the three other specimens is absent." 



According to Harold (Col., Heft, ii., p. 16), this species is a 

 Caccohius, owing to the lateral prosternal cavity, and a Caccophilus 

 according to Jekel. (Eev. Zoolog., 1872, p. 410 et seq.) 



Hah. Mozambique. 



