10 Longicornia Malayana. 



Genera. 



Basal joint of the posterior tarsi elongate and filiform. 



Scape reaching to the base of the elytra Acanista, n. g. 



Scape not reaching to the base of the elytra. 

 Scape more or less cylindrical or fusiform. 

 Prothorax even. 



Body depressed Driopca, Pasc. 



Body not depressed ChydccojiSis,n.g. 



Prothorax uneven. 



Prothorax alike in both sexes, tlie sides 



rounded PoUmeta, n. g. 



Prothorax elongate in the male, the sides 



angulated Osledes, Pasc. 



Scape constricted beyond the middle, thickened 



at the apex Eopor'is, n. g. 



Basal joint of the posterior tarsi shorter and triangular. 

 Antennary tubers distant at the base. 



Anterior tarsi dilated Pithomictus,n.g. 



Anterior tarsi not dilated. 



Antennae rarely twice as long as the body. 

 Basal joint of the posterior tarsi longer 



than the two next together Opxioleus, n. g. 



Basal joint of the posterior tarsi shorter 

 than the two next together. 

 Disc even. 



Prothorax oblong Mijnonebra, n. g. 



Prothorax transverse Clod'ia, n. g. 



Disc tuberculate or uneven. 



Prothorax subquadrate Olmotcga, n. g. 



Prothorax transverse Phyxlum, n. g. 



Antennae three times as long as the body. Acalolcpta, Vase. 

 Antennary tubers approximate at the base. . . ./Eschopalcea,n.g. 



Acanista. 



Caput antice quadratum, tuberibus antenniferis contiguis. Jln- 

 tenncE longissinire, scapo elongato-pyriforme apicem versus 

 constricto, arliculo secundo brevissimo, caeteris elongatis, 

 subaequalibus. Prothorax transversus, irregularis, utrinque 

 acute angulato-spinosus. Elytra irregularia, spinulosa, sub- 

 depressa, fere parallcla, ai)ice truncato-emarginata, spinosa. 

 Pedes subelongati, femoribus valde clavatis. 



This genus seems to be somewhat intermediate between Acan- 



