524 Philopotamidae — Hydropsychidae 



Family PHILOPOTAMIDAE 



Philopotamus Leach 



P. americanus Bks. Gloversville, Mar, Alex (Bet) ; LI: Sea Cliff, Mar-Ap, Dec 

 (Bks). 



P. distinctus Wlk. Woodworth's L., Je, Alex (Bks) ; West Falls, Jl (Bet) ; Ithaca, 

 Jl (Bet); Trenton Falls (Wlk). 



DOLOPHILUS Banks 

 D. breviatus Bks. Old Forge, Buffalo, Jl (Bet) ; Ithaca, Jl (Bks). 



Chimarrha Leach 



C. aterrima Hagen. Ogdensburg, Jl-Aug, very common (Bet) ; Johnstown, Sacan- 

 daga Pk., Aug, Alex (Bks) ; Ithaca, Jl-Aug (Bet) ; McLean, May-Aug (Sib) ; 

 SI, Je (Ds). 



C. socia Hagen. Johnstown, Sacandaga Pk., Je, Alex (Bks) ; Tupper L., Niagara 

 Falls, Lancaster, Ithaca, Je-Aug (Bet). 



C. sp. Ogdensburg, Ithaca, Je-Aug (Bet). 



Family HYDROPSYCHIDAE 



SUBFAMILY HYDROPSYCHINAE 



ArcTOPSYCHE McLachlan 



A. apicalis Bks. Fourth L., Je (Dickerson) ; Old Forge, Jl (Bet) ; Sacandaga Pk., 

 Je, Alex (Bks); Castile, Je, Brad (Sib); McLean, Je (Sib). Should be 

 new genus. 



DiPLECTRONA Westwood 



D. modesta Bks. Woodworth's L., Je, Alex (Bks) ; Newfield, Je, Bet (MacG) ; 



McLean, Je-Jl (Lloyd, Sib). 



Hydropsyche Pictet 



H. altemans Hagen. Old Forge, Fourth L., Ithaca, Jl-Aug (Bet) ; McLean, Jl- 



Sep (Sib); Onteora Mt, How {Caudell). 

 H. chlorotica Hagen. Buffalo, Je, very common (Bet) ; Trenton Falls (OS). 

 H. incommoda Hagen. Saranac Inn, Old Forge, Ithaca, May-Sep (Bet). 

 H. phalerata Hagen. Saranac Inn, Ithaca, Jl-Aug (Bet) ; McLean, Je-Sep (Sib). 

 H. recurvata Bks. McLean, Je-Aug (Sib). 

 H. scalaris Hagen. Ogdensburg, Buffalo, Jl-Sep (Bet) ; Sacandaga Pk., Je, Alex 



(Bks). 

 H. venularis Bks. Old Forge, Jl (Bet). 

 H, sp. Ogdensburg, Aug (Bet). 

 H. sp. Niagara Falls, Ithaca, Aug (Bet). 

 H. sp. Ithaca, Je (Bet). 



