894 Tenthredinidae — Pterygophoridae 



P. paUiventris (Cress.). Oswego, May 15 (CU) ; Ithaca, AMShaw (CU). 



P. pleuricus (Nort). Ithaca, Jl 3 (CU). 



P. remissus MacG. Ithaca, type. 



P. repertus MacG. Ithaca, type. Larva feeds on Carex. | 



P. robustus Marl. Ithaca, May 26, Houghton (CU). 



P. roscidus MacG. Adirondacks, type. 



P. subalbatus (Nort.). Ithaca, May 9, 1895 (CU). Larva feeds on Carex. \ 



Pristiphora Latreille 



P. banski Marl. Ithaca (US), type; LI: Sea Cliff (US), type; Huntington, Je 



(MacG-Schott). 

 P. dyari Marl. Keene Val, Je, Dyar, type; Ithaca, Jl (MacG-Ill). 

 P. idiota Nort. Speculator, May (NYS) ; Karner, Jl, Yg (NYS). 

 P. murtfeldtiae Marl. Ithaca, Aug 19 (CU). Larva feeds on foliage of Salix. 

 P. ostiaria MacG. Ithaca, type. 



P. allicoxa Roh. Lancaster, Je 4, 1911, MCV (US). 

 P. sycophanta (Walsh). Keene Val., Dyar; Jefferson Highlands, Dyar (Marl). 



Larva is recorded as feeding on foliage of Betula papyrifcra and Salix. 



DiPHADNUS Hartig 



D. appendiculatus (Hartig). "NY" (Nort); Ithaca (US). Introduced; sometimes ^ 



abundant enough to be considered a pest ; larva feeds on foliage of cultivated " 

 currants and gooseberries. 



EUURA Newman 



E. nigria Prov. Ithaca (US, CU, MacG-Ill). 



E. orbitalis (Nort.). L. Placid, Ap, MCV (NYS); Karner, Je, MCV (NYS); 



Phoenicia, Aug, MCV ; LI: Brooklyn, Akhurst (Nort). 

 E. salicis-nodus Walsh. "NY" (Nort). 

 E. salicis-ovum Walsh. "NY" (Nort). 



Family PTERYGOPHORIDAE 129 

 ACORDULECERA Say 



A. dorsalis Say. Albany, May, 1910 (NYS); Poughkeepsie, May, 1903 (NYS). 



Larva feeds on oak. 

 A. maculata MacG. Ithaca, type locality; Caroline to Harford, Je (US,CU) ; 



McLean, Jl, Slaterville to Caroline, Je (MacG-IU). 

 A. maura MacG. Ithaca (CU), type; Caroline to Harford, Je (US). 

 A. maxima MacG. Ithaca, type. Larva feeds on Quercus alba. 

 A. meleca MacG. Ithaca, type. 

 A. minima MacG. Ithaca, type. 



^29 This family is composed of the subfamilies Pterygophorinae and Acordulecerinae of the family 

 Tenthredinidae, in MacGillivray's classification. In Comstock's Introduction to Entomology, it is 

 included in the Argidae. (Bdy.) 



