118 Mr. B. P. Uvarov's Notes on 



2. (3) Pronotum strongly constricted before the middle, Avith the 



lateral keels angulato-inflexed. . . . Acorypfia Krauss. 



3. (2) Pronotum mthout any constriction before the middle, with 



the lateral keels (when developed) more or less parallel 

 and straight or convex. 



5. (6) Body strongly depressed and coarsely rugose. Fastigium 

 of vertex very broad, flat. Pronotum with the metazona 

 much longer than the prozona, and the hind angle long. 

 Prostemal tubercle in the shape of a transverse lamina, 

 truncate at the apex. Hind femora enormously dilated, 

 with the upper outer field strongly granose, and the 

 upper carina strongly serrate. Male cerci with one sub- 

 apical tooth Bracliyxenia Kii'by. 



G. (5) Body distinctly compressed laterally, smooth or scarcely 

 rugose. Fastigium of the vertex narrow, more or less 

 impressed. Pronotum with the metazona subequal to the 

 prozona, or even shorter; its hind angle not elongate. 

 Prosternal tubercle not laminate. 



7. (14) Elytra and wings developed or only shortened. 



8. (13) Male cerci with only one subapical tooth. 



9. (10) Pronotum with the disc convex, lateral keels obliterate 



and the middle keel scarcely i^erceptible. Hind femora 

 very broad and short Sphodromcrus Stal. 



10. (9) Pronotum with the disc practically flat, the middle keel 



distmct and the lateral keels more or less distinct. 



11. (12) Lateral keels of the pronotum irregular, feebly divergent 



backwards. Hind femora distinctly dilated. .Hind tibiae 

 Avith inner spurs subequal Krifa Kirby. 



12. (11) Lateral keels of pronotum straight, distinctly, or even 



strongly divergent backwards. Hind femora not more 

 dilated than it is normal for the group. Hind tibiae with 

 the lower inner spur much longer than the upper one. 



Caloptenopsis Bal. 



13. -{8) Male cerci with two subapical teeth. Disc of the pronotum 



practically flat, all three keels distinct, the lateral ones 

 straight, somewhat divergent backwards. Inner spurs of 

 the hind tibiae subequal to each other. . Calliplamus Serv. 



14. (7) Elytra lateral, wings not developed. 



15. (16) Frontal ridge flat. Pronotum very obtusely emarginate 



behind Paracaloplenus Bol. 



16. (15) Frontal ridge sulcate. Pronotum obtusangulate behind. 



Pcripolus M. Fern. 



17. (1) SujDra-anal plate of the male broad, transverse, or scarcely 



longer than broad ; its hind margin truncate, or rotundato- 



