Tenthredinidae 883 



M. externa (Say). Ithaca, May-Je (CU) ; Albany (NYS) ; Bronx Pk., Jl, Dyar; 



LI: Bellport, Dyar (Ashm, Can. Ent., vol. 30, p. 174, 1898). Larva feeds on 



hickory. 

 M. fascialis Nort. Big Moose, Jl, Yg (NYS) ; Mt. Marcy, Jl (US). 

 M. fistula MacG. Ithaca, type. 

 M. flaccida MacG. Ithaca, type. 

 M. flavicoxae (Nort.). Newport, Je, Yg (NYS); Axton, Jl (CU) ; Castile, 



EABradley (Bdy) ; Ithaca, May-Je, McLean, May-Jl 20 (Bdy-CU) ; Albany, 



Nassau, May, Yg (NYS) ; Morrisville, May (CU) ; Poughkeepsie, May, Yg 



(NYS). 

 M. flicta MacG. Ithaca, type. 

 M, formosa (King). Old Forge, Je, Yg (NYS); Poughkeepsie, Jl, Yg (NYS); 



LI (US). 

 M. goniphora (Say). Poughkeepsie, Jl, Yg (NYS); Ft. Montgomery, Je (MacG- 



Schott) ; Van Cort. Pk., Je, Dyar (US) ; LI (US). 

 M. intermedia (Nort.). Ithaca, Jl (CU) ; Poughkeepsie, May, Jl, Yg (NYS); 



LI: Huntington, Je (MacG-Schott). 

 M. lineata Nort. Johnstown, May (NYS) ; Ithaca, May, Jl (US, CU) ; Albany, 



May (NYS). Larva feeds on Aster prenanthoides. 

 M. minuta MacG. Plattsburg, Dyar, type; Ithaca, May 28 (CU). 

 M. mixta MacG. "NY" (US). 

 M. nigra (Nort.). Johnstown, Aug (NYS) ; Newport, Je (NYS) ; Ithaca, Je 



(US) ; Poughkeepsie, Jl, Yg (NYS) ; LI: Flatbush, Je, Zab (US). 

 M. pannosa (Say). "NY" (Nort). 

 M. propinqua Harr. Ithaca, Je (CU). 

 M. proximata Nort. Albany, Je, 1909 (NYS). 

 M. pulchella (Klug). Ithaca, Jl (CU) ; Albany, Je, Yg (NYS); Big Ind. Val., 



Je, Pears (US) ; Kingston, Aug, Poughkeepsie, May, Yg (NYS). Larva 



feeds on Solidago juncea and Rudbeckia laciniata. 

 M. punctata MacG. Plattsburg, type. 

 M. simillima Roh. Ithaca, May 7, 1897 (US). 

 M. succincta Cress. Ithaca (US, CU). 

 M. tibiator Nort. Newport, May, Yg (NYS) ; Ithaca, May-Je (CU) ; Albany, Je, 



Yg (NYS) ; Van Cort. Pk., Dyar; LI: Rockaway Pk., May (MacG-Schott). 



Larva feeds on Sambucus. 

 M. trisyllaba (Say). Axton, Jl (CU) ; Ithaca, Aug (CU) ; McLean, Je 12-Sep 24 



(Bdy-CU); LI: Flatbush, Je-Jl, Zab (US). Larva feeds on Sambucus 



canadensis. 

 M. trosula Nort. Poughkeepsie, Jl, Yg (NYS) ; LI (US). 

 M. varia (Nort.). Adirondacks, Je (US) ; Axton, Jl (CU) ; McLean, Je 12-Jl 19 



(Bdy-CU) ; Nassau, May (NYS). 

 M. zabriskiei Roh. LI (type-US). 

 M. zonalis Nort. Axton, Je-Jl (US, CU) ; Cranberry L., Je-Jl, Htly (Roh) ; Old 



Forge, Jl (CU) ; McLean, Ithaca, Jl (CU) ; Slaterville, Jl (CU) ; Mallory- 



ville (CU). 



