23 



HH. Punctures of frons 

 much finer and closer 

 GG. Punctures of pronotum 

 not acervate (about 16 

 in length of the seg- 

 ment). 

 H. Elytra with the actual 

 derm strongly rugulose 

 HH. Elytra not exception- 

 ally rugulose 



FF. Basal joint of hind tarsi 

 not or scarcely longer than 

 3rd joint. 

 G. Elj'tra non-granulate, 

 their punctures not squa- 

 mose. 

 H. The punctures of the 

 elytra much larger 

 than those of the pro- 

 notum 



HH. Punctures of prono- 

 tum and of elytra 

 scarcely different in 



size 



GG. Elytra conspicuously 



granulate, their punctu- 

 ration strongly squamose 

 DD. Hind femora (less wide) with 

 numerous punctures in the 

 space between the two rows. 

 E. Basal edging of pronotum 

 strongly defined and preced- 

 ed by a conspicuous smooth 



gutter 



EE. Base of pronotum not as E. 

 F. Puncturation of pronotum 

 not both very close and 

 strongly rugulose. 

 G. The front of the frons 

 not perpendicular. 

 H. Elytra closely and fine- 

 ly punctured (consid- 

 erably more than 20 

 punctures across an 

 elytron). 

 T. The sculptvtre of the 

 clypeus is subconflu- 



ent rugulosity 



II. The sculpture of the 

 clvpeus is coarse, 

 well spaced punctu- 

 ration 



HH. Elytra punctured not 

 closely (20 punctures or 

 less across an elytron). 

 I. Hind coxae much 

 longer than 2nd ven- 

 tral segment 



solidus, Blackh. 



rugosipennis, Mad. 

 tenebrosus, Bhickb. 



incomptus, Blackh. 



umbrinus, Blackh. 

 arcanus, Blackh. 



dux, Blackh. 



eequaliceps, Blackh. 

 firmus, Blackh. 



Frenchi, Blackh. 



