890 Tenthredinidae 



PRIOPHORUS Dahlbom 



P. aequalis (Nort). Castile, EABradley (Bdy) ; Albany, Ap, Yg (NYS). 



P. infuscatus (MacG.)- Ithaca, type. 



P. palliolatus (MacG.)- Ithaca, type. Larva feeds on leaves of Salix. 



P. nibi Roh. Hamburg, May 14, 1911, MCV (US). 



P. solitarius (Dyar). Ithaca, Aug (CU). 



Cladius Rossi 



C. isomerus Nort. {pectinicornis auctt. not Fourc). Bristly Rose Slug. Ellen- 

 ville, Je (MacG-Ill) ; Ithaca, Aug (Griswold) ; Van Cort. Pk., ]e, Dyar (US). 

 This is a very common leaf skeletonizer of roses, and undoubtedly is widely 

 distributed throughout the State. 



SUBFAMILY NEMATINAE 

 PlatycAMPUS Schi(l)dte 

 P. americanus (Marl.). Plattsburg, Dyar. Larva feeds on foliage of poplar. 



CerATEROCERCUS Rohwer 



C. albidovariatus (Nort.). LI: Heliport, May, Dyar (US). Larva feeds on 



foliage of Quercus coccinea. 

 C. phytophagicus (Dyar). Van Cort. Pk., Ap (Dyar-US) ; Bronx Pk., May, det. 



from larva (Dyar). Larva feeds on foliage of Quercus alba. 



C. quercivorus Roh. Bronx Pk., May (Dyar-US) ; Pelham Bay Pk., May, Dyar 



(US) ; Franklin Pk., Je (Dyar). Larva feeds on foliage of Quercus alba. 



HemiCHROA Stephens 



H. americana (Prov.). Ithaca, Aug (CU) ; Fulton, Jl (CU) ; Ellis, Jl (CU) ; 



McLean, May (CU). 

 H. dyari Roh. Rhinebeck, determined from larva (Dyar). Larva feeds on Alnus. 



HOPLOCAMPA Hartig 



H. halcyon Nort. Niagara Falls, May, MCV (US) ; Ithaca (US) ; McLean, May, 

 CF Baker (US). Larva feeds within the fruit of Amelanchier. 



Dineura Dahlbom 



D. litura (Klug). Karner, Ap-May, "found on willow" (NYS). 



PONTANIA A. Costa 



P. borealis Marl. Plattsburg, Dyar. Larva causes galls on leaves of Salix sericea, 



and according to Dyar is single-brooded. 

 P. censors Marl. Plattsburg, Dyar. Larva causes folds on leaves of SalLv scricca, 



and pupates in decayed wood. 

 P. daedala MacG. Ithaca, type. 



