24 



CERAMBYCID-i:. 



nitid and sparsely punctured in front and between the supra- 

 orbital carinse, very closely punctate or granulate and opaque 



behind ; eyes large, not very 

 widely separated above, the 

 space bet\A'een them rather 

 less than a third of the 

 whole width of the head ; 

 ma7idibles variable in size and 

 form. In large specimens 

 they are louger than the head, 

 divergent from the base to 

 middle and thence gradually 

 incurved to the tip, each 

 armed with two or three 

 strong teeth on the inner 

 side between the middle and 

 the tip ; in small males thej' 

 are similar in size and form 

 to those of the females. 

 Antennae 12-jointed, with 

 the joints from the fifth to 

 the eleventh produced each 

 into a strong dentiform pro- 

 cess at the apex. Prouotum 

 unevenly convex, sparsely 

 punctured and glossy in the 

 middle, closely punctured 

 and more or less pubescent 

 near the sides ; front and 

 hind margins fringed with 

 tawny hairs. Elytra for the 

 most part coriaceous and dull, but sparsely punctured and glossy 

 near the base ; each with a very closely punctured basal spot. 

 Breast pubescent. 



5 . Mandibles not so long, straight from the base to the middle 

 or thereabouts, incurved at the end, armed with several teeth 

 along the inner edge. Antenna? shorter ; last ventral segment 

 longer and rounded at the apex. 

 Lenrjth 53-92 ; breadth 17-28 mm. 

 Hah. Madras ; Mysore ; Trivandrum. 



21. Acanthophorus riigiceps, Gahan, A. M. N, H. (6) xiv, p. 223 



(181)4). 



(S . Brownish-black in colour. Head large, strongly rugose 

 except along the middle ; eyes widely separated above, the space 

 between them more than half of the Avhole width of the head 

 and not impressed \vitl\ a distinct median groove ; the supra- 

 orbital ridges prominent, continued back a short distance beyond 

 the eyes ; mandibles long and curved, armed each with three 

 or foiir teeth on the inner side between the middle and tip. 



Fig. 9. 

 Acanthophorus serraticornis, Oliv., (^ . 



