1919] 



/ Fr acker: Chariesterus 



229 



Chariesterus balli new species. (See Figure). 



Head quadrate, armed on the disc with two longitudinal rows of 

 two or three vertical spines each; prominent multispinose tubercles 

 caudodorsad of each eye; antcnniferous tubercles s])inose at both 

 obtuse lateral and acute mesal angles. Antennas with first segment 



Fig. 1. Chariesterus balli n. sp. 



stronghYtriquetrous, lateral carinae with basal two-thirds armed with 

 numerous acute tubercles, mesal carinas unarmed except at base; second 

 segment much more slender, shorter, compressed and slightly expanded 

 near the middle; third segment longer than fourth, strongly expanded 

 throughout three-fourths of the length, four-tenths as wide as long. 

 Rosti"um scarcely attaining ]:)OSterior coxa?. 



