Coleoptera. Vol. I. [Longicornia. Part I.]

.24 CERAMBYCID-i:.nitid and sparsely punctured in front and between the supraorbitalcarinse, very closely punctate or granulate and opaquebehind ; eyes large, not verywidely separated above, thespace bet\A'een them ratherless than a third of thewhole width of the headma7idibles variable in size andform. In large specimensthey are louger than the head,divergent from the base tomiddle and thence graduallyincurved to the tip, eacharmed with two or threestrong teeth on the innerside between the middle andthe tip ; in small males thej'are similar in size and formto those of the females.Antennae 12-jointed, withthe joints from the fifth tothe eleventh produced eachinto a strong dentiform processat the apex. Prouotumunevenly convex, sparselypunctured and glossy in themiddle, closely puncturedand more or less pubescentnear the sides ; front andFig. 9.Acanthophorus hind margins fringed withserraticornis, Oliv., (^tawny hairs. Elytra for themost part coriaceous and dull, but sparsely punctured and glossynear the base ; each with a very closely punctured basal spot.Breast pubescent.5. Mandibles not so long, straight from the base to the middleor thereabouts, incurved at the end, armed with several teethalong the inner edge. Antenna? shorter ; last ventral segmentlonger 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 rugoseexcept along the middle ; eyes widely separated above, the spacebetween them more than half of the Avhole width of the headand not impressed \vitl\ a distinct median groove ; the supraorbitalridges prominent, continued back a short distance beyondthe eyes ;mandibles long and curved, armed each with threeor foiir teeth on the inner side between the middle and tip.;