there are 5 or 7 spots; if there are 2 anterior median spots, the number 

 of spots is 9.* Posterior angle of sclerite dark, with large, light dots with 

 dark outline. 



Dorsal stripes of head dark brown, interrupted in the middle; they are 

 represented by a narrow, dark stripe along the frontal sutures anteriorly; 

 502 a wide, dark, posterior spot with light dots and narrow, blackish brown border. 

 A narrow, dark stripe, slightly broader posteriorly along the gular suture; 

 broad, dark stripes laterally; large, light dots with dark margin posterior to 

 them. Other part of ventral surface light, with indistinct light dots 

 posteriorly. Gula fused with pregula, dark brown, some of it forming part 

 of the head capsule. 



FIGURE 703. Hydropsyche nevaeKol. Head dorsal (only part of setae shown) 



Small covering setae of dorsal surface of 2 types (Figure 704), either 

 cylindrical with a blunt apex, or thin, light, and usually divided; frontoclypeus 



* As shown by Siltala (1905:Figure 27). 



574 



