the Old World Cyrtcwanthacrlni. 



antenn.ne (iig-. 4, A) ; eyes distinctly le.ss 

 thiiii twice as high as long ; isubocular 

 distance subequal to their height 

 (fig. 4, B). Frontal ridge below the 

 ocellus not impressed. (Africa: geno- 

 type, Acridoderes crassus, Bo\.) 



(4). No trace of tempo ral foveohe; fastigium 

 strongly convex, its margins not at all 

 raised.^ Prozona much shorter than 

 metazona; hind angle of pronotuni 

 acute. Elytra with the reticulation 

 in the apical part dense and irregular 

 (fig. 5, b). (Africa : genotype, Acri- 



139 



2. Acridoderes, Bol. 



[gen. nov. 



doderes Icevigatus, Bol.) 3. Anacridoderes, 



Fig. 5. 



a, Phyxacra strenua (Walk.) ; b, Anacridoderes crassus (Bol.) ; 

 c, Rhadinacris schistocercoides (Brancs.). X 2. 



8 (3). Elytra in the $ (the J not known) 



reaching only to the middle of the 

 hi]Kl femora. Prosternal spine large, 

 thick, strongly bent towards meso- 

 sternum and touching the latter; its 

 apex acute. Prozona much shorter 

 than metazona. (Africa : genotype. 

 Congou katanyce, Bol.) 4. Conyoa, Bol. 



9 (2). Frontal ridge above the ocellus not at 



all (Hg. 2, c, d) or but feebly dilated 

 (in the latter case it is somewhat con- 

 stricted ngain at the fastigium (fig. 2, b) ; 

 its margins raised, though sometimes 

 feebly and in certain parts only. 

 10 (11). Elytra Avith the apex obliquely truncate j 

 the apical part with regular oblique 



