748 SCIARIDAE BiBIONIDAE 



S. impatiens Joh. Ithaca (Joh). 



S. incbnstans Fitch. Albany, Je (Fitch). 



S. johannseni End. (nigricans Joh.). Hamburg, Oct (MCV) ; Ithaca, May, Aug 



(Joh). 



S. jucunda Joh. Niagara Falls, May (Joh) ; Ithaca, Je-Aug. 



S. lurida Wlk. Trenton Falls (Wlk). 



S. mali Fitch. "NY" (Fitch). 



S. mellea Joh. Ithaca, Je (Joh). 



S. mutua Joh. N. Evans, May (Joh) ; Ithaca, Je. 



S. nacta Joh. Ithaca (Joh). 



S. ocellaris Cmstk. Lancaster, Buffalo (Joh). 



S. ochrolabis Lw. Ithaca, Je, Aug (Joh). 



S. pauciseta Felt. Ithaca, Jl-Oct (Joh) ; McLean, Ap, Claas (Joh). 



S. parilis Joh. Ithaca (Joh). 



S. prolifica Felt. Erie Co, May-Sep (MCV); Ithaca, Ap, Aug (Joh). 



S. sciophila Lw. Ithaca, Jl-Oct (Joh). 



S. silvestrii Kieff. ''NY" (Kieff). 



S. similans Joh. LI: Cold Sp. Harb., Mets (Joh). 



S. trivialis Joh. Ithaca, Aug (Joh) ; Bronx Pk. 



S. varians Joh. Ithaca (Joh). 



S. vicina Joh, Ithaca, Jl (Joh). 



S. vulgaris Fitch. Karner, Oct. 



Family BIBIONIDAE 

 Plecia Weidemann 



P. heteroptera Say. Saranac L., Sep, Ds (Leon) ; Hamburg, Oct, Buffalo, Oct. 

 MCV (Jn) ; Ithaca, Oct (Joh) ; McLean, Sep, Sib (Joh); Hebron, Sep, Ds 

 (Leon); Debruce, Sep, Ds; Oliverea, Sep (Leon); West Pt., Nic; Ft. 

 Montgomery, Schott. 



BIBIO Geoff roy 

 B. abbreviatus Lw. W. Nyack, Ols (Beq). 

 B. albipennis Say. Adirondacks, Je (Joh) ; Erie Co, MCV; Ithaca, common, May, 



Aug; New Baltimore; Suffern (AM); Dunwoodie (AM); SI (Beq); LI: 



Huntington, Rockaway Beach, Wading R., Yaphank, Ds (Jn), May. 

 B. basalis Lw. Mt. Marcy, 5344 ft. (Beq). 

 B. femoratus Wied. Mt. Whiteface, summit, Jl, Ds (Leon) ; Axton, Je; Newport, 



May; Hamburg, May, MCV (Jn) ; Tompkins Co, May (Jn) ; White Plains, 



Bno (Beq); LI: Rockaway Beach, Ds (Leon); Orient, May, Lath; 



Wyandanch, May. 

 B. fraternus Lw. Tompkins Co (HHS). 



B. fumipennis Wlk.' Newport, May, Yg (NYS). ' . 



B. longipes Lw. Niagara Falls, Oct (MCV) ; Greene Co, Hozv (Aid); McLean, 



Aug, Sib. (Joh). 

 B. xanthopus Wied. Axton, Je (M&H) ; Pougfikeepsie, May, Yg (NYS) ; Ithaca, 



May, Oct (Job); SI, May, Ds (Leon); LI: Rockaway Beach, May, D^ 



(Cnjr), 



