Leptoceridae 527 



Family LEPTOCERIDAE 



Leptocerus Leach 



L. ancylus Vorhies. Buffalo, Jl (Bet); Ithaca (Lloyd). 



L. dilutus Hagen. Buffalo, Ithaca, Je (Bet). 



L. maculatus Bks. McLean, Jl-Aug (Sib). 



L. punctatus Bks. Ogdensburg, Ithaca, Jl-Aug (Bet). 



L. recurvatus Bks. Westfield, Je-Jl (Woglum). 



L. submacula Wlk. Buffalo, Je, common (Bet). 



L. tarsi-punctatus Vorhies. Saranac Inn, Ogdensburg, Old Forge, Jl-Aug (Bet). 



L. variegatus Hagen. Ogdensburg, Old Forge, Saranac Inn, Ithaca, Je-Aug (Bet). 



L. sp. Buffalo, Je (Bet). 



L. sp. Ogdensburg, Saranac Inn, Old Forge, Buffalo, Jl-Aug (Bet). 



L. sp. Buffalo, Jl (Bet). 



Leptocella Banks 



L. albida Wlk. Ogdensburg, Buffalo, Je-Aug (Bet) ; Clayton, Jl (Felt) ; Niagara 



Falls, Jl (Ds). 

 L. exquisita Wlk. Ogdensburg, Buffalo, Ithaca, Je-Aug (Bet) ; Sacandaga Pk., 



Johnstown, Je, Alex (Bks) ; Albany (Felt). 

 L. pavida Hagen. Old Forge, Jl (Bet). 



Oecetis McLachlan 



O. avara Bks. Ogdensburg, Buffalo, Ithaca, Jl-Aug (Bet) ; McLean, Jl-Aug (Sib). 



O. immobilis Hagen. Ogdensburg, Aug, common (Bet). 



O. incerta Wlk. Westport (NYS) ; Ogdensburg, Old Forge, Buffalo, Jl-Sep, 



very common (Bet) ; Woodworth's L,, Sacandaga Pk., Je-Aug, Alex (Bks) ; 



McLean, Je-Aug (Sib); LI (Bks). 

 O. persimilis Bks. Saranac Inn, Old Forge, Jl (Bet). 

 O. resurgens Wlk. {fumosa Bks.). Ogdensburg, Old Forge, Buffalo, Jl-Aug 



(Bet) ; SI (Ds) ; Silver L., Je (Bks, Ds). . 



O. sp. Old Forge, Clayton, Jl (Bet). 



Set ODES Rambur 



S. americana Bks. McLean, Jl-Aug, very common (Sib). 



S. grandis Bks. Ogdensburg, Old Forge, Ithaca, Je-Jl (Bet). 



S. vernalis Bks. Old Forge, Ithaca, Jl-Aug (Bet) ; Tonawanda (EPV). 



S. sp. Ogdensburg, Buffalo, Jl (Bet). 



Mystacides Latreille 



M. longicornis L. Ogdensburg, Aug (Bet). 



M. nigra L. Ogdensburg, Jl (Felt); Ramapo, May (Ds). 



M. sepulchralis Wlk. Sacandaga Pk., Je-Aug, Johnstown, Je, Alex (Bks) ; Ithaca, 

 McLean (Sib) ; L. George, L. Heart (Sib); Clayton, Nassau (Felt). Com- 

 mon at many points. Specimens reported as nigra doubtless belong here (Bet). 



