938 ICHNEUMONIDAE 



Tribe LABENINI iss 



Lab EN A Cresson 



(The species of this genus are parasitic on the larvae of beetles of the families 

 Buprestidae and Cerambycidae.) 



L. apicalis Cress. Ithaca, Je (NYS), bred from Chrysohothris femorata (Oliv.)- 

 Specimens in the U.S. Nat. Mus. are from Saperda puncticollis Say, Sten- 

 osphemis notatus (Oliv.), Pseudibidion unicolor (Rand), and Agrilus sp. (all 

 Cerambycidae). 



L. canfusa Roh. Ithaca, Jl 31 (Cush-CU). Recorded by Rohwer as a parasite of 

 Thrincopyge alacris Lee. (Buprestidae), and Chion cinctus (Drury) 

 (Cerambycidae). 



L. grallator (Say). Ithaca, Sep (NYS); LI (Vier). Recorded as parasite of 

 Chrysohothris femorata (Oliv.) (Buprestidae) and Chion cinctus (Drury) 

 (Cerambycidae). 



Grotea Cresson 



G. anguina Cress. Indian Ladder, Jl (Cush-CU) ; Ithaca, Je (Cush-CU) ; Nyack, 

 Zah (?Brues-AM) ; West Farms, New Baltimore (?Brues-AM). 



Tribe RHYSSINI iss 



Rhyssa Gravenhorst 



(The species of this genus are parasitic on horntails of the genera Xeris and Sirex.) 



R. lineolata (Kby.) {albomaculata Cress.). Nev^ Russia, Aug, Bdy (Cush-CU); 

 Mt. Whiteface, 2000-4000 ft., Aug (Cush-CU) ; Erie Co, Blackburn (Roh) ; 

 Ithaca, May-Sep (Cush-CU). Recorded by Rohwer as parasitic on Xeris sp. 



R. persuasoria (L.). Saranac Inn, Jl (NYS) ; Gloversville, Sep (NYS) ; Oswego, 

 Je (Roh-US) ; Port Byron, Je (Cush-CU) ; Castile, EABradley (Bdy) ; 

 Ithaca, Yuasa (Bdy-CU). Recorded by Rohwer as parasitic on Xeris sp. and 

 Sirex sp. Records associating this species with Coleoptera as hosts are 

 probably erroneous. 



Rhyssella Rohwer 

 (The species of this genus are parasitic on wood wasps of the genus Xiphydria.) 



R. humida (Say). Ithaca, May, Aug (Cush-CU) ; Ft. Montgomery, Sep (Cush- 

 Schott). Recorded by Rohwer as reared from Xiphydria attenuata Norton, 

 X. ahdominalis Say, and X. erythrogaster Ashm. 



R. nitida (Cress.). New Russia, Aug, Bdy (Cush-CU) ; Mt. Whiteface, 2000^000 

 ft, Aug (Cush-CU) ; Castile, EABradley (Bdy) ; Ithaca, May-Aug (Cush- 

 CU) ; Taughannock, Jl (Cush-CU) ; McLean, May-Aug (Cush-CU) ; Caroline 

 to Harford, Je, MacG&Bdy (Cush-CU). A common parasite of the larva of 

 Xiphydria maculata Say (Rohwer). 



"5 The North American ichneumon-flies of the tribes Labenini, Rhyssini, Xoridini, Odontomerini, 

 and Phytodietini. By S. A. Rohwer. Proc. U. S. Nat. Mus., 1920, 57:405-474. 



