Ephydridae 857 



Trim ERIN A Macquart 

 T. madizans Fall. Albany, May; Beaver Kill; Ithaca, Je (Cnjr). 



RhYSOPHORA Cresson 

 R. robusta Cress. W. Nyack, Je (Beq). 



DiTRlCHOPHORA Cresson 

 D. exigua Cress. Ithaca, May; Sport I., Sacandaga R. ; Rensselaer, May. 



DISCOCERINA Macquart 



D. obscura Will. LI: Cold Sp. Harb. 



D. obscurella Fall. Niagara Falls, Je ; Ithaca, May-Aug ; Mud Cr., Tompkins Co, 



Je; Beaver Kill, Aug; Bear Mt., Je (Sturt) ; Van Cort. Pk., Je; LI: Cold Sp. 



Harb., Je-Aug; Babylon, May (Sturt). 

 D. parva Lw. Mud Cr., Je ; Ithaca, Aug ; Van Cort. Pk., Jl. 



DICLASIOPA Hendel 

 D. xanthocera Lw. SI, Oct (Sturt). 



POLYTHICHOPHORA Cresson 



P. conciliata Cress. LI: Cold Sp. Flarb., Jl, Sheepshead Bay, Je, Yg. 



P. orbitalis Lw. Beaver Kill, Aug, CnJr', LI: Cold Sp. Harb., Je (CnJr). 



SUBFAMILY NOTIPHILINAE 

 Philygria Stenhammar 



P. debilis Lw. Wells, Jl, Yg; Geneva, Mav; Ithaca, May; Albany, May, Yg; Mt. 



Whiteface, Aug; LI: Cold Sp. Harb., Aug (Claas). 

 P. fuscicornis Lw. SI, Je, Oct (Sturt). 

 P. opposita Lw. Wilmington, Aug; Buffalo, Je ; Chipmunk Swamp, Vandalia, Je ; 



Caroline, Je ; Ithaca, Jl ; Freeville, Jl ; Mud Cr., Tompkins Co, Je ; Albany, Je ; 



NYC, Mar (Sturt); LI: Cold Sp. Harb., Aug (Sturt). 



Philygriola Hendel 

 P. picta Fall. Wells, Je, Yg. 



Hydrellia Robineau-Desvoidy 



H. cruralis Coq. Grand I., Oct, MCV. 



H. formosa Lw. Ithaca; NYC, Oct (Sturt) ; LI: Cold Sp. Harb., Je-Aug. 



H. hypoleuca Lw. E. Aurora, Aug; Golden, Aug; Grand I., Oct; Ithaca, Jl ; LI: 



Ridgewood, Je. 

 H. ischiaca Lw. Ithaca, Aug. 



