290 NEUROPTERA OP NORTH AMERICA. 



12. H. chlorotica ! 



Hydropsyche chlorotica Hagen ! 



Pale ochreous, with ochreous hair ; antennae ochreous at base, 

 annulated with fuscous, the apex fuscous; palpi fuscous; feet lute- 

 ous ; head and thorax luteo-fuscous, with luteous hair ; abdomen 

 luteous ; anterior wings ochreous, the anal angle and apical margin 

 ciliated with fuscous ; posterior wings cinereous. Male and fe- 

 male. 



Length to tip of wings 10 12 millim. Alar expanse 19 23 

 millim. 



Hob. St. Lawrence River, Canada ; Chicago ; Trenton Falls 

 (Osten Sacken) ; 1ST. Red River (Kennicott). 



13. H. depravata! 



Hydropsyche depravata Hagen ! 



Blackish-fuscous ; antennae blackish-fuscous, the base annulated 

 with luteous ; palpi blackish-fuscous ; head, thorax and abdomen 

 fuscous ; feet brownish-luteous ; anterior wings blackish-fuscous, 

 obsoletely irrorated with luteous ; posterior wings blackish-gray. 

 Female. 



Length to tip of wings 12 millim. Alar expanse 23 millim. 



Hob. Dalton, Georgia (Osten Sacken). 



One specimen only, which is not fully unfolded. 



14. H. sordida ! 



Hydropsyche sordida Hagen ! 



Blackish-fuscous ; antennae and palpi fuscous ; head and thorax 

 blackish-fuscous, with luteons hair ; feet luteo-fuscous, femora fus- 

 cous; anterior wings blackish-fuscous, with fuscous hair; posterior 

 wings blackish. Male and female. 



Length to tip of wings 8 millim. Alar expanse 15 millim. 



Hal. St. Lawrence River, Canada (Osten Sacken) ; Washing- 

 ton (id.). 



15. H. incommoda! 



Hydropsyche incommoda Hagen! 



Luteous, with luteous hair ; antennae, palpi and feet luteous ; 

 head and thorax luteous, with luteous hair; anterior wings luteous, 

 with luteous veins, and obsoletely irrorated with brownish-gray, 



