Tenthredinidae 879 



S. terminalis (Say). Axtoii, Je (MacG-Ill) ; Newport, May (NYS) ; Upper Au- 

 sable L, Jl (US) ; Ithaca, Jl (US) ; Caroline to Harford, Je (MacG-Ill) ; 

 Trenton Falls, Dhl (Kby) ; Nassau, May (NYS); LI (US); Flatbush, Je, 

 Zab (US). 



S. unicincta (Nort.)- Tompkins Co, Je (MacG-Ill) ; Albany, Je (NYS) ; LI (US). 



S. unicinctella MacG. Ithaca, Aug, type. 



DiMORPHOPTERYX Ashmead 



D. errans Roh. Ithaca, Je (US); LI: Bellport, Je, Dyar (US). 

 D. ithacus MacG. Ithaca, Je, type. 



D. pinguis (Nort.). Speculator, Jl, Yg (NYS). 



MacREMPHYTUS MacGillivray 



M. semicornis (Say). Ithaca, Jl-Aug (US, MacG-Ill, CU) ; Ellis, Je (MacG-Ill). 

 M. tarsatus (Say). Syracuse, Jl (NYS) ; Rochester, Sep, larvae abundant on 



Cormis masciila, JHDodge (NYS, Ent. Rept. 1910, p. 59) ; Ithaca, Je-Aug 



(US, CU, MacG-Ill) ; Caroline to Harford, Jl (MacG-Ill) ; Old Chatham, 



Sep (NYS); Poughkeepsie, May-Je (NYS). 

 M. varians (Nort.). Plattsburg, Je (Dyar-US) ; Ellenville, Je (US, CU) ; Ithaca, 



Je-Jl (US, CU, MacG-IU) ; Ft. Edward, larvae feeding on Cornus stolonifera, 



MWBandenbcrg (NYS, Ent. Rept. 1889, p. 188). 

 M. versicolor (Nort.). Boonville, Sep (NYS) ; Tompkins Co, Jl (MacG-Ill) ; 



Slaterville to Caroline, Je (MacG-Ill) ; Dryden, Jl (MacG-IU) ; McLean, Sep 



(Bdy-CU); Poughkeepsie, May, Yg (NYS). 



ErioCAMPA Hartig 



E. juglandis Fitch. "NY", larva on butternut (NYS). It is very probable that this 



is the same as rotunda (Nort). 

 E. rotunda (Nort.). Ithaca, May (MacG-Ill, CU). 



Pseudosiobla Ashmead 



P. cephalanthi Roh. Van Cort. Pk., Je 2, 1895, larvae on Cephalanthus occidentalis 



(Dyar-US), types. 

 P. excavata (Nort). LI (US). 



Ametastegia a. Costa 



A. giabrata (Fall.). Ogdensburg, Jl (NYS); Old Forge, Aug (CU) ; Ithaca, 

 May-Aug (US, CU, MacG-Ill) ; Freeville, Jl (CU) ; McLean, (CU, US) ; 

 Albany, Karner, May (NYS) ; Poughkeepsie, Jl (NYS) ; LI: Flatbush, May 

 (US). Larva feeds on dock, and pupates in brashy wood, fallen fruit, or 

 similar substances. 



A. equiseti L. var. bizonata (Zett.). Syracuse, Je, Aug, B&S (US). 



POLYTAXONUS MacGillivray 

 P. robustus (Prov.). Buffalo, Je, MCV (US) ; LI: Yaphank (US). 



