Horn.] 



OPHRYASTINI. 



39 



Support of deciduous piece prominent ; 

 anterior tibiae not denticulate. Sur- 

 face scaly and with erect hairs. 

 Corbels of hind tibiaj cavernous ; hu- 

 meri entirely obliterated DIAMIMUS. 



Corbels of hind tibiie open ; humeri rec- 

 tangular PERITAXIA. 



Scrobes very feebly arcuate, evanescent pos- 

 teriorly, directed toward the lower an- 

 gle of the eye, and short THRICO MIGUS. 



Hind tibife distinctly, usually rather strongly 



mucronate. Rostrum longer and narrower 



than the head and more or less auriculate. 



Front convex separated from the rostrum 



by a transverse impression ; side pieces 



of metasternum distinct, suture entire.. AMNESI.A . 



Front flat, rostrum continuous on the same 

 plane and usually flattened above ; 

 side pieces of metasternum indistinct, 

 suture in great part obliterated. 

 Body above finely tuberculate, scales large PH YMATINUS. 

 Body not tuberculate, scales small and 



denser NOCHELES. 



Seventh joint of funicle contiguous to the club, 

 third joint of tarsi feebly emarginate, 

 scarcely broader than the preceding. Tarsi 

 sparsely setose beneath CIMBOCERA. 



DICHOXENUS n.g. 



Rostrum larger and slightly narrower than the head, slightly transversely 

 impressed at base, feebly convex above, sub-quadrangular, alse very feebly 

 prominent, tip emarginate and with a small smooth space. Scrobes lateral 

 deep, well defined, arcuate, passing rapidly beneath the head at a distance 

 in front of the eyes. Antennae moderate, sub-apical ; scape gradually cla 

 vate, scaly, scarcely passing the anterior border of the eyes ; funicle 7- 

 jointed, joints 1-2 sub equal, the first stouter, 3-7 obconical gradually 

 shorter, club elongate oval. Eyes oval, oblique. Thorax oval, broader 

 than long, truncate at apex and base, ocular lobe broad and moderately 

 prominent. Scutellum indistinct. Elytra oval, not wider at base than the 

 thorax. Metasternal side pieces indistinct. Intercoxal process of abdomen 

 broad, slightly arcuate in front. Second segment of abdomen shorter than 

 the two following united, separated from the first by an absolutely straight 

 suture. Anterior and middle tibite feebly mucronate, the former feebly 

 denticulate within. Articular cavities (corbels) of hind tibia; open. Tarsi 

 normal, densely pubescent beneath. Claws moderate, free. Body scaly 

 and with short erect setae. 



