1896.] of the Coleoj^tera of South Africa. 487 



out a lateral seta, labrum transverse, truncate or emarginate ; rnentum 

 broad, emarginate, toothed, with the inner lobes slanting ; legs 

 moderately long, the three basal joints of the anterior tarsi of the 

 male dilated and densely spongy underneath, facies elongated. 

 This tribe may be divided in two groups. 



Each elytron with nine distinct striae Chlcenini. 



Each elytron with eight distinct striae Oodini. 



Chl^nini. 



Syno2)sis of Genera. 



Last joint of palpi not pubescent, nor sharply acuminate at 

 the tip. 



Last joint of palpi, securiform or cylindrical ; apical part of 

 the prothorax broader than the head Chlcenius. 



Last joint of labial palpi pyriform, obliquely truncate ; penul- 

 timate joint glabrous ; prothorax elongato-ovate, not broader 

 than the head Pleroticus. 



Last point of labial palpi sub-securiform ; prothorax subcylin- 

 drical, very little broader than the head of the apex Zeloticus. 



Last two joints of palpi very long ; prothorax cordate . . . . Ectenognathus. 



Last joint of palpi pubescent, ovate and very sharp at the tip Callistomimus. 



Gen. CHL^NIUS, Bonelh, 

 Observ. Entom. i., 1809, Tabl. synopt. 



Ligula horny, bisetose at the tip, more or less disconnected from 

 the paraglossse, which are membranaceous, narrow, glabrous, slightly 

 encurved and generally a little longer than the ligula ; mandibles 

 hooked, sharp, ciliate inwardly ; palpi moderately long, generally 

 moderately slender [EjJOfnis and Bhizotrachelus excepted), the labial 

 ones as long as the maxillary, the last one sometimes securiform in 

 the male, oftener cylindrical, nearly always truncate, straight, or 

 oblique ; mentum deeply emarginate with the median tooth bifid 

 in the South African species and slightly obtuse, the inner lobes 

 diverging in most cases ; labrum subtransverse, mostly truncate, 

 seldom emarginate {G. comes, vicinus, cyanipes) or incised in the 

 middle {C. verecundus), and with six setigerous punctures ; antennae 

 more or less long, filiform ; legs moderately long, tibiae truncate at 

 the apex, the anterior ones dilated, tarsi subtriangular, the three 

 first joints of the anterior ones in the male more or less dilated and 

 densely spongy beneath, glabrous on the upper part, claws not 

 pectinate ; head not narrowed behind, a setigerous puncture on each 

 side of the basal part of the epistoma, and one over the back part 

 of the eye ; prothorax either cordate, rounded, or subquadrate, always 

 marginate and with a seta mostly in front of the posterior angle, 

 seldom close to it {cribricollis , similatus, quadrisigiiatiis) ; elytra 

 more or less elongato-ovate, never very convex. 



