932 ICHNEUMONIDAE 



Crypturopsis Ashmead 



C. candidus (Cress.). LI: Orient, Sep (Cush-Schott). 

 C. fortis (Cress.). "NY", Comstock (type-ANSP). 



LiSTROGNATHUS Tschek 



L. albomaculatus (Cress.). Manlius, Aug 2, 1872, SmHH (Cress-CU) ; '"MY" 

 (Vier-US). 



POLYAENUS Cressoii 

 p. spinarius (Brulle). LI (Cush-US). 



MesosTENUS Gravenhorst 



M. erythrogaster Ashm. Oswego, Je (Cush-US); Ithaca, Chitt (Cush-US). 



M. gracilis Cress. Ithaca, Chitt (Cush-US). 



M. thoracicus Cress. Manlius, Sep, Norton's Landing, Cayuga L., May-Je, Sinllll 

 (Cress-CU) ; Ithaca, Je (Ashm-CU) ; Poughkeepsie, Je, Yg (NYS). 



POLISTIPHAGA Cushman 

 P. arvalis (Cress.). Nyack, Za& (AM); LI (US). Host: Polistes. 



SUBFAMILY ICHNEUMONINAE "9 



(Pimplinae auctt.) 



Tribe LISSONOTINI 



(The members of this tribe are very largely parasitic on lepidopterous larvae, 

 although a few are recorded as reared from sawfly larvae.) 



EXETASTES Gravenhorst 



E. albitarsis Prov. Cranberry L., Jl, Htly (Cush-US). 



E. fascipennis Cress. Manlius, Sep, SmHH (Cress-CU) ; Nyack, Zab (Cush- 

 US) ; SI, Oct (Ashm-Ds). 

 E. obscurus Cress. Nyack, Zab (AM). 



E. suaveolens Walsh. Saranac Inn, Yg (NYS) ; PManlius, SmHH (Cress-CU) ; 

 Oswego, Aug (Ashm-US) ; Ithaca, Jl, EH Sargent (Ashm-CU) ; McLean, 

 Jl 20-Aug 24, Sib (Bdy-CU) ; L. George, Zab (AM) ; Ft. Montgomery, Aug, 

 Schott (AM); LI, Aug (Ashm-US). 



Arenetra Holmgren 



A. nigrita Cress. Caroline, Ap (Cush-CU) ; Nassau, May (NYS) ; SI (Ashm-Ds- 



US). 

 A. ventralis Cress. "NY" (Cress). 



"^ Holarctic tribes of the ichneumon-flies of the subfamily Ichneumoninae (Piinplinae). !'.> 

 Robert A. Cushman and S. A. Rohwer. Proc. U. S. Nat. Mus., 1920, 57:379 396. 



