1900.] CataloriHc of the Colcopln-n of South Africa. 47B 



teu-iointed; body elongate, cylindrical; abdomen six-jointed; 

 pygidium horizontal, partly or entirely covered by the elytra, 

 anterior tibia? quadri-dentate. 



Gkn. CHIRON, J^IcLeay, 

 Horae. Entomol., i., 1819, p. 107. 

 Mentum broader at base-than at apex, rounded laterally, concave 

 at the base of the outer face and convex towards the apex slightly 

 vounded at tip, and with a transverse row there , of stiff f'^'^ 

 uiediately behind the upper margin of the mentum the labial 

 palpigers are produced into a transverse lamina divided in the centre 

 by a very nariow interval ; ligula hardly visible, bifid and penicillate , 

 labial palpi long, basal joint cyhndrical, half the length of he intei^ 

 mediate one which is a little swollen at tip, the ultimate one is 

 longer than the second, fusiform, shghtly truncate at tip , maxillae 

 moLrately thick, upper lobe somewhat short, not much dilated, 

 pubescent and having at apex a fringe of dense, long and stiff m- 

 curved cih^, inner lobe unciform, long and sharp, horny and with 

 averyshght fringe of very short hairs; maxillary palpi very long, 

 second joint longer than any of the others, straight inwardly sinuate 

 and broadly swollen outwardly at tip, third strongly c ubbed at tp^ 

 fourth longer than the third, not quite straight outwardly but a httle 

 ampliated and curved inwardly ; antenna? nine-jointed club oblon go- 

 ovate, covered with long, dense hairs, basal joint clubbed at tip, as 

 lone, as the five following joints; mandibles very long, flat neaily 

 semicircular, bluntly bi-dentate and reflexed at tip ; labrum elongate, 

 incised in the centre and sometimes dentate on each side of he 

 incision; head transverse, genae triangular, projectmg beyond the 

 eye; prothorax parallel but not very convex; scutellum long, nariw, 

 sharp at tip; elytra cylindrical but slightly sinuate laterally beyond 

 the humeral part and covering the pygidium which is honzonta ly 

 declivous, epipleura narrow and distinct only for one-third of the 

 length; coxa? not quite contiguous, prosternum not carmate between 

 the°femora, metasternum produced between the intermediate coxa? 

 in a sharp triangular process and grooved longitudinally m the 

 centre; abdomen six-jointed, abdominal segments very narrow m 

 the centre owing to the compression of the long, horizontal pygidium ; 

 anterior tibia? dilated, strongly tri- or quadri-dentate outwardly, 

 oblique at apex and with a long, strong apical spur extending as 

 far as the tip of the apical outer tooth which is not very oblique, 

 intermediate and posterior ones compressed and having three or 



