MONOGRAPH OF THE GENUS SAPERDA 



13 



puncticollis, where it is entirely absent. I m i t a n s is close 

 to lateralis and f a y i and presents more characters in common 

 with the last than with tridentata, though its markings are 

 much like the latter. 



Fig. I Front claw of first and middle tarsi of the following species : i and 2, Saperda 

 imitans; 3 and 4, Saperda tridentata; sand 6, Saperda discoidea; 7 and 8, 

 Saperda vestita. C= claw, P= process. 



Systematic list of American species of Saperda 



obliqua Say 

 mutica Say 

 hornii Joittel 



imitans n, sp. 

 lateralis Fabr. 



var. connecta n. var. 

 fayi Bland. 

 puncticollis Say 

 populnea Linn, 

 subsp. moesta Lee. 

 siibsp. tulari n. subsp. 

 concolor Lee. 



var. unicolor n. var. 



Candida Fabr. 

 calcarata Say 



var. adspersa Lee. 

 tridentata Oliv. 

 cretata Newm. 

 discoidea Fabr. 

 vestita Say 



The development of the process on the claws follows the foregoing 

 arrangement better than any other, and we find that the degree of 

 development is somewhat different from published accounts of earlier 

 workers, who probably lacked sufficient material. 



