Tachinidae 817 



B. leucophrys Wied. Keene Val. (Beq) ; Wells, May, Jl, Yg; Paradox L., Jl, Ds 

 (Aid); North Cr., Jl, Fbs ; Ithaca, Ap-Aug ; McLean, May-Sep ; L. George, 

 Sep, Leon; Karner, Ap ; Schodack, Ap ; Oliverea (Beq); Ramapo, Mar, Ds 

 (Aid); SI, Mar-Sep, Ds, Bs; LI: Sands Pt, Sep (Bs Coll.); Wading R. 

 (Bs Coll.) ; Baiting Hollow, May, Aug-Sep, Huck. 



B. rufescens Towns. "NY". Probably not distinct from adusta Lw. (West). 



WiNTHEMIA Robineau-Desvoidy 



W. fumiferanae Tothill. Rock City, Je ; Ithaca, May-Jl ; McLean, Jl ; Ringwood, 

 Je; Voorheesville, Aug, Leon] LI: Southampton, Jl, Hnck ; Wading R., Aug, 

 Huck. Placed by characters in Tothill's key (1912). It is not certain that 

 these are truly diagnostic. (West.) 



W. quadripustulata Fab. (auct. ; more than one species is probably involved here). 

 In this sense W. quadripnstulata is the most abundant of all our species of 

 Tachinidae. I have before me several hundred specimens from all parts of 

 the State. Dates of collection range from May to October, falling mostly in 

 Jl-Sep. (West.) 



Paradidyma Brauer and Bergenstamm 



P. singularis Towns. McLean, Jl; Shelving Rock Mt., L. George, Sep; SI, Jl, 

 Oct, Bs (Aid); LI: Sea CHfif (Bks). 



MetaCHAETA Coquillett 



M. atra Coq. (helymus Wlk. and auct.). L. Placid, Aug; Ithaca and vie, Ap-Jl ; 

 McLean, Aug, Sib; Owego, May, West; Slingerlands, Jl ; Van. Cort. Pk., Jl; 

 LI: Wading R., Sep (Bs Coll.). 



ACEMYIA Robineau-Desvoidy 



A. dentata Coq. Ithaca, May; McLean, May; Owego, May, West; Middleton, Jl ; 

 LI: Riverhead, Sep. 



PSEUDOCHAETA Coquillett 



P. argentifrons Coq. St. Huberts, Aug. 



EUTHERA Loew 

 E. tentatrix Lw. "NY" (Lw) ; Gowanda, Je (MCV). 



EXORISTA Meigen 



{Tachina auct.) 



E. larvarum L. {Tachina mella Wlk., T. utilis Towns.). Keene Val., Jl; Glens 

 Falls, Je; Niagara Falls, Je-Jl ; Alder Cr., Sep; Ithaca, Je-Aug, reared by 

 C. L. Liu from Malacosoma americana ; McLean. Aug, Sih ; Albany, Jl ; 

 Hoversville, Je, Leon; Hudson R. Val.; White Plains (Beq); Southfields 

 (Beq); SI (Bs Coll.); LI: Baiting Hollow, May-Sep, Huck-, Wading R., 

 Aug, Huck; Selden, Jl, Huck. 



