160 



THE CANADIAN ENTOMOLOGIST. 



at .r, separating it from the dorsal portion of the head. The dotted line 

 extending in front of the ocelli is hypothetical, but traces of it can occa- 

 sionally be distinguished in other larvte, and the separation of these two 

 ocelli from the others indicates it. The long band with enlarged ends, 

 marked k, lies within the head above the maxilla and is strongly chitinized. 



I call attention to these different parts for the purpose of pointing out 

 the necessity for the study of the sclerites of the larval head. I have con- 

 sulted several specialists of Lepidopterous larvae without securing any in- 

 formation as to the identity of these parts. I have found the same diffi- 

 culty in Coleopterous larvae. Certainly these parts possess more or less 

 taxonomic value, and it seems to the writer that we err if we fail to de- 

 lineate and describe them in the description of larvae. But as long as we 

 have no terminology, this is difficult and will probably be neglected by 

 most students. Studies are certainly needed along this line. 



Pupa. — Described from cast skins and one specimen nearly ready to 

 transform. 



5.5 X 1.3 mm.; deep orange brown ; head, thorax and exposed por- 

 tions of appendages blackish ; spines on abdominal segments tipped with 

 black ; setje light ; thorax and first abdominal segment without dorsal 

 spines ; second abdominal segment with caudal row of spines ; third to 

 seventh abdominal segments with spines, as in Fig. 5 ; eighth to tenth, as 

 in the figure ; segments one to six subequal in length ; seventh shorter ; 

 eighth to tenth, adnate ; eighth and ninth together as long as sixth, 

 tapering caudad from fourth segment. In the figure x marks a break be- 

 tween a and b in the cast skin from which drawn. Concerning the iden- 

 tity of sclerites a and b, I am in doubt. 





|S3» I \\ 



Fig. 3. 



