74 CrRCULIOXID.^. 



tarsi much longer than 3, 



whicli is narrow vuindibularis, sp. n., p. 96, 



62 (61) The mandibular scars not raised 



on projectino: processes ; third 

 joint of hind tarsi as broad as 

 usual. 



63 (66) Rostrum without a central carina. 



64 (65) Hind tarsi with joint 2 longer 



than 3 ; body with more or less 



green scaling ; upper surface 



with recumbent inconspicuous 



setfe ; anterior margin of pro- 



notum not proiecting- over the , . -,-, , ri- 



Ijg^^j ^ •• " 1 prmceps, Fst., p. 9/ . 



(-0 (64) Hind t^i'sVwith joints' Kami's I "•^"'"^^'s, Fst., p. 97. 

 subequal ; hod}^ without green 

 scaling ; upper surface witli 

 short dense suberect setse ; an- 

 terior margin of pronotum pro- 

 jecting strongly over the head . hispidux, sp. u., p. 98. 



66 (63) Rostrum with a distinct central 



carina. i 



67 (76) Scape of autennje not exceeding 



the posterior margin of eye. 



68 (69) Rostrum shorter than its width 



at base seclusus, Fst., p. 100. 



69 (68) Rostrum not shorter than its 



width at base. 



70 (71) Head and rostrum with dense, 



obliquely raised white setse ; 

 prothorax evidently narrower 

 at apex than at base ; scaling 

 green hirticep^, sp. n., p. 98. 



71 (70) Head and rostrum with recum- 



bent setaj ; prothorax not or 

 scarcely narrower at apex than 

 at base : scaling brown or grey. 



72 (73) Eyes shorter and more prominent, 



evidently shorter than the ros- 

 trum ; scales broader and 

 coarser ; scrobes narrower and 

 bare ; J organ terminating in 

 a sharp point tetrictia, Kst., p. 101. 



73 (72) Eyes longer and less prominent, 



almost as long as the rostrum ; 

 scales narrower and finer ; 

 scrobes broader and clothed 

 with scaling posteriorly. 



74 (75) Prothorax not constricted near 



apex and with only a trace of a 

 central carina on the anterior 

 half; (S organ broadly rounded 

 at apex hidictis, Fst., p. 99. 



75 (74) Prothorax with a shallow con- 



striction near apex and with a 



complete obtuse central carina, versidus, Fst., p. 101. 



