110 



Maxillary palpi (PI. III., B, fig. 5, w) rather large, 4-jointed ; 1 very small ; 2 large, 

 rather elongate, much incrassated, broadest before the middle, with its extremity 

 truncate and straight ; 3 short, sub(juadrate, transverse ; 4 conical, rather 

 longer, but not broader than the third, covered with short hair. 



Labial palpi (PI. III., B, fig. 6, m) rather long, 3-jointed ; 1 very minute ; 2 long, 

 Bubcylindric, incurved, obliquely truncate anteriorly ; 3 short, quadrate, cylin- 

 dric, with its extremity straightly truncate, and closed by a membrane ciliated 

 at the edges, and furnished with a long incurved seta on its outer side. 



Labriun (PI. 111., B, tig. 3) short, transverse, deei)ly emarginate in front. 



Mandibles (PI. III., B, lig. 4) rather smull, with a very short dorsal costa, inner 

 edge divided into two parts, of which the upper is armed with strong and very 

 sharp curved teeth, and the lower part simple and entire at the edge. 



Maxilhe (PI. III., B, fig. 5) large, unilobed, with the lobe very long and rather 

 slender, acutely hooked at the apex, and armed with three long very sharp 

 cui-ved teeth. Stipes small. 



Meiitum (PI. III., B, fig. 6, j) subobloug, with the sides sinuated, and strengthened 

 with costie. 



Labiimi (PI. III., B, fig. 6, k) oblong, not extending much bej'ond the mentum, 

 furnished at its extremity with moderate paraglossie. 



Liiuiua (PI. III., B, fig. 6, 1) small, slightly rounded anteriorly. 



Pronutum large, anterior margin entire, generally circularly rounded, basal margin 

 more or less arcuate, with the angles much produced and very acute. 



Scutcllum moderate, generally rounded. 



Elytra short, subtruncate, generally attenuated posteriorly. 



IVings either wanting, or small and narrow, membrane very thin, elongate-oval, 

 with the usual neuration. 



Abdomen composed of seven segments, the five basal coriaceous, and the two apical 

 corneous and much longer than the preceding, apical segment entire. 



Prothorax (PI. III., B, fig. 2, a) rather small, with the prostermim short, elevated 

 between the coxie, and produced and dilated posteriorly, with the extremity 

 truncate ; episterna distinct, long, and narrow ; epimera rather large, rather 

 broadly enclosing the coxal cavities ; coxal cavities moderate, oval, not 

 contingent. 



Pectus with the mesosternum (PI. III., B, fig. 2, d) moderate, excavated in front ; 

 episterna large, suboblong ; epimera narrow, rather distant from the coxal 

 cavities ; coxal cavities moderate, ovate, rather distant. 

 metasternum (PI. III., B, fig. 2, g) rather short, transverse, not extending to the 

 sides of the body, posterior margin between the coxae slightly rounded ; 

 episterna rather small, not reaching the coxse ; epimera narrow, with their 

 extremities triangularly intiexed beyond the metastei-num, in other parts con- 

 cealed by the epipleural fold of the elytra. 



Venter composed of six segments : 1 large and long ; 2-5 much shorter than the 

 first, equal to each other in length ; 6 longer than the fifth, entire ; 1-4 fur- 

 nished with large inflexed lateral processes. 



Lcfis anterior with the coxffi large and long ; trochanters small, trigonal ; femora 

 moderate, simple ; tibiae rather slender, slightly recurved, setose, and armed 

 with a single spur on the inner side of the apex ; tarsi 4-jointed ; 1 rather 

 long ; 2 shorter than the first, bifid ; 3 very small ; 4 long and slender ; 

 claws robust, sti'ongly curved, and armed on the under side of the base with a 

 strong tooth. 

 intermediate rather longer, with the two basal joints of the tarsi bifid, and fur- 

 nished with very long setie ; in other respects like the anterior. 

 posterior with the femora narrowly laminated on the inner side towards the 

 apex, and the lamina produced into a sharp point at its extremity ; tibiae 

 long(^r, and more recurved ; tarsi with the first joint much elongate, not 

 bifid ; the second short, and not bifid ; the third very short above, but bifid 



