Syrphidae 801 



X. bicolor Lw. Gowanda, Je (MCV) ; Ft. Montgomery, Southfields (Schott) ; SI, 



May-Je (Ds,Bs). 

 X. chalybea Wied. Niagara ; Honeoye Falls, Ds ; Niagara ; Ithaca ; Caroline ; 



McLean; Poughkeepsie, May-Jl ; Pine I. (Ds) ; SI: Richmond, May, Ds 



(Beq) ; LI: Pennequid Barrens. 

 X. curvipes Lw. var. satanica Big. Old Forge; Axton; Keene Val., Je-Aug (Not) ; 



Mt. Whiteface, summit, Jl, Ds (Beq). 

 X. ejuncida Say. Fairly abundant, May-Aug. Adirondacks ; Lewiston, May 



(MCV) ; foot of CHff Mt. ; L. Tear; Erie Co, Je-Jl (MCV) ; Ithaca, May-Jl; 



Poughkeepsie ; Oliverea; Ft. Montgomery (Schott) ; SI: Ap-Aug, Ds (Bs, 



Beq) ; Richmond, May, Ds (Beq) ; LI: Sands Pt., Je (Bs) ; Flushing. 

 X. ejuncida elongata Will. E. Aurora, Jl (MCV). 



X. fascialis Coq. {anthreas Wlk., nemorum auct., not Fab.). Ithaca, Je-Jl. 

 X. flavifrons Wlk. Adirondacks, Jl, Fbs (Snn). 

 X. fraudulosa Lw. (baton Wlk.). Ithaca; McLean; Freeville; Lakeside Park, 



Ap-Sep; Hudson R. Val., Ap-Je; W. Nyack (Beq); Nyack (Schott); LI: 



Flushing. 

 X. libo Wlk. (marginalis Will.). Axton, Je. 

 X. neobscura Snn. L. Tear, Fbs. 



X. pigra Fab. Ithaca, May; Pelham Pk., Sep (Bs) ; LI, Ap. 

 X. plesia Curr. Mt. Whiteface, Jl, Aid (Snn). 

 X. subfasciata Lw. Essex Co, Jl-Aug. 

 X. vecora O.S. Old Forge; Mt. Marcy, Je-Jl; Ithaca; Caroline; Ft. Montgomery, 



Je (MCV). 



BRACHYPALPUS Macquart 



B. frontosus Lw. Keene Val., Je ; Ithaca, Ap-May; Trenton Falls; SI (Ds) ; LI: 

 Massapequa; Yaphank (Not) ; Farmingdale. 



B. rileyi Will. Caroline, May; SI, Mar-May (Bs). 



Criorhina Meigen 



C. verbosa Wlk. Keene Val., May ; Caroline. May ; Ithaca ; Hartsdale, Ap ; Ramapo, 



Mar, on willow catkins, Ds (Beq) ; SI: Ap, on willow catkins (Bs) ; Rich- 

 mond, Mar, Ds (Beq); LI: Wyandanch (Schott). 



CyNORRHINA Williston 

 (Blera Billberg) 



C. analis Macq. Keene Val.; Ithaca; McLean; Poughkeepsie, May-Je; Ft. Mont- 

 gomery, Southfields (Schott); SI, Je (Bs) ; LI: Yaphank (01s); Sea Cliff. 



C. badia Wlk. (intersistens Wlk.). Axton; Adirondacks; foot of Cliff Mt. ; Ithaca, 

 Je-Jl; Caroline; Ringwood, Je ; Danby (Emerson); Trenton Falls; Oliverea; 

 Pine I.; SI, May (Bs) ; LI: Yaphank. 



C. confusa Jn. Axton; Mt. Marcy; Old Forge, Je-Jl; foot of Cliff Mt. 



C. nigra Will. Keene Val., May-Jl ; L. Tear. 



C. pictipes Bigot. SI; LI: Yaphank (Eng). 



C. umbratilis Will. LI: Yaphank. 



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