NEOTROPICAL CADDIS FLIES I — FLINT 



471 



(fig. 8,c): Ninth segment slightly obhque, anterior margin romided, 

 posterior straight; tenth tergum almost quadrate laterally, with a 

 ventral process, and cleft on midlme dorsally for half its length by a 

 V-shaped incision; dorsal process of aedeagus upturned apically, a 

 ventral straplike process near midlength (in Peruvian specimen this 

 is rounder, and nearly as wide as long); lateral processes not 



Figure 7. a-e, Mortoniella apiculata: a, larval case, ventral view; b, larval case, lateral; 



c, pupal hook plates, dorsal view of abdominal segments 4, posterior, and 5, anterior; 



d, right pupal mandible, dorsal; e, larval tarsal claw, lateral;/-!, Mexitrichia aries:f, larval 

 case, ventral; g, dorsal respiratory opening of larval case, dorsolateral; h, right pupal 

 mandible, dorsal; i, larval tarsal claw, lateral; ;, Protoptila alexanderi, lateral view of 

 larval tarsal claw. 



