ITl 



SiiittUnin niodic'um, obtuse triaiif^ulan.'. 



hh/tra intt'Krii, iiloruinijiie postice piiniui acuiuiiiat.i. 



AUe, quo ad It. iiuiriiuiiii pertinent, nullum. 



Ahdovtin BeKmenlis forsan oeto compositum, tiibus apicnlibus magnis, cornels ; 



reliquis inenibranaceis ; 2-6 processibus intlexis hiteraliter instruetis. 

 I'rothorau- (PI. VI., C, tig. 2, a) perparvus, episti'inis atque cpimeris vLx conspicuis ; 

 rec'ei)taculi8 coxarum modicis, ovalibus, non contingentibus, antice et postice 

 anguste inclusis, 

 I't'ctug ini'goxtcniii (I'l. \'I., C, fig. 2, d) modico ; episteniis modicis; epimeris sat 

 niagnis, huineralibus, a receptaculis coxarum i-emotis ; coxarum receptaculis 

 magnis, rotundatis, distantibus. 

 metaslcnio (Pl/VI., C, fig. 2, g) sat brevi, transverse, lateribus corporis sat remote, 

 margine posteriori inter coxas fere recta; rpisternis magnis, latis, metasterno 

 paruni longioribus ; epimeris iongis, sub elytris occuitis. 

 ]'enter segmentis sex compositus, basali magno, cjeteris sibiipsis fere pariter Iongis, 



apicaii integro. 

 Pedes plerum(iue longi et valde robusti. 



antivi troi-banteribus parvis, triangularibus ; fenioribus robustis, simplicibus ; 

 tibiis plerumque parum diiatatis ; tarsis 4-articulatis ; 1 et 2 robustis, profunde 

 bifidis ; 3 minuto ; 4 longo, robusto ; unguibus sat gracilibus, subtus ad basim 

 dentatis. 

 intermedii anticis similes, sed longiores, tibiis magis diiatatis et ciliatis. 

 postici priecedcntibus similes, sed multo longiores. 

 t'ox(e anteiiores niodicfe, ovales, promincntes, non contingentes. 

 intermediic sat niagnte, rotundatit, distantes. 

 posteiiores magnse, subpyriformes, ad episterna non extensse, longe remotte. 



Body generally ovate, exceedingly convex. 



Head parti}' exserted, rather large ; eyes generally prominent ; antenna? inserted 



near the eyes. 

 Antniiue (Pi. Vi., C, fig. 7) geniculate, eleven-jointed ; 1 very large, pj-riform, much 



iucrassated towards the apex ; 2 about half as long as the first, ovate on the 



inner side ; 3 much shorter than the second, slender ; 4-0 transverse, becoming 



gradually shorter ; 7 very large, as long as the preceding four united, mucli 



incrassated on the inner side; 8 minute ; 9-11 very large, forming a foliate 



club, of which the a})ical joint is ovate and twice as long as the preceding ; 7, 



9, 10 and 11 furnished on the inner side with erect setie. 

 Maxilliiiij palpi (PI. YL, C, fig. 5, w) very large, four-jointed ; 1 very small, 



triangular ; 2 very large, excessively incrassated, widest towards the base ; 3 



very short, transverse ; 4 longer than the third, nearly semioval, furnished 



with short setse. 

 Labial palpi (PI. VI., C, fig. 6, m) large, subovate, three-jointed; 1 minute; 2 large, 



semiovate, abruptly truncate; 8 much shorter than the second, transverse, 



truncate, and furnished witli set.e at the apex. 

 Lahnim (PI. VI., C, fig. 3) very short and small, ovally rounded in front. 

 Mandibles (PI. VI., C, fig. 4) slender, elongate, almost linear, deeply bifid at the 



apex, with each extremity terminated in a sharp claw. Stipes small. 

 MiLiilUe (PI. VI., C, fig. 5) moderate, uuilobed, the lobe simple, cultriform, very 



sharp at the apex. Stipes small. 

 Menlnm (PI. VI., C, fig. 6, j) small, transverse, widest at the base, sides slightly 



rounded. 

 Ijihiiim (PI. VI., C, fig. 6, k) small, transverse, widest in front, sides rounded. 

 LiiKjiia (PI. VI., C, fig. 0, 1) moderate, triangular, almost hidden by the palpi. 

 I'ronotiiin rather large, with tlie anterior margin slightly excised in front, posterior 



angles not produced. 



