9. Punctations Inconsplciious , obsolete 

 or rare, small, interstitials obsolete 

 or inconspicuotis. Scutum generally 

 but not always longer than vrLde. 



Small parasite of cane rats R. SD^'SONI 



Figures "299 and 3CX) 



Punctations conspicuous, rare to 



moderate numbers. Moderate to fairly 



large size species 10 



10. Scutum vath notably few, moderate or 

 large, scattered punctations in central 



field 11 



Scutum xd.th moderate to large number of 



small, meditim size, or large punctations l6 



11. Lateral grooves typically long and 

 distinct (frequently reduced inR. 



3. simus , see page 752) .T 12 



Lateral grooves absent or typically 



so short and indistinfct as to be 



questionable, frequently replaced by 



several large, deep, punctations 13 



12. This and the following subspecies cait. 

 not be distinguished with certainty. 

 Size moderate. Scutal posterior margin 

 usually somewhat sinuous; punctations 

 restricted to few of moderate size but 

 deep, distinct, and widely scattered; 

 interstitials normally few, rare, in- 

 conspicuous, sometimes fairly numerous 



but small and superficial R. SIMUS SIMJS 



Figures 303 and 304 



Size fairly large. Other characters as 

 above, although punctations are often 

 somewhat larger than in subspecies 

 sinnis . Differentiated with certainty 



only by association irfith male R . SIMUS SMEGALENSIS 



~ Figures 307 and 30i5 



- 595 - 



