3. Anal grooves horseshoe shaped or 

 elliptical, not imlted posteriorly. 



.U 



Anal grooves either tmited poste- 

 riorly or parallel or divergent 

 posteriorly 5 



U> Scutxim at least 1.5 times as long 

 as wide; punctations few and fine; 



lateral ridges distinct .1. NAIROBIENSIS 



Figures 220 and 221 



ScutTira only slightly longer than 

 wide; punctations large, distinct, 



deep; lateral ridges absent I . SCHILLING SI 



Figures 2Z8 and 229 



5. Anal groove closed posteriorly I. RASUS SUBSP. 



FigvJes 22A and 225 



Anal grooves not closed poste- 

 riorly 6 



6. Anal grooves short, divergent pos- 

 teriorly. Basis capituli without 

 comua or auriculae. Scutal punc- 

 tations fine I. S. SIMFLBC 



Figtu-es 230 and 231 



Anal grooves long, parallel poste- 

 riorly. Basis capituli with comua; 

 auriculae lacking. Scutal puncta- 

 tions large I. CAVIPALFUS 



Figures 218 and 219 



- 538- 



