ICHNEUMONIDAE 949 



P. geminatus var. sayi Cush. Oswego, Je, Ithaca, Jl (Cush-US). 



P. leo Cush. Oswego, Ludlow (type-US) ; McLean, Aug 31, 1924, Sib (Cush-CU). 



P. smithi Cush. Beaver Cr., Jl 10, 1924, Sih (Cush-CU). 



P. unguicularis Cush. Ithaca, Jl (Cush). 



Parabates Foerster 



P. crassus Cush. Oswego, May (tj^pe-US). 



P. latungula Thomson subsp. deceptor (Mori.) Bdy. Ithaca, Yuasa (Bdy-CU). 



P. monticola Cush. Oswego, Oct (Cush-US). 



Tribe DIPLAZONINI 



(Bassini Ashmead) 



(The members of this tribe are parasitic on syrphid flies. The egg, at least in 

 some cases, is deposited in the egg of the host, the adult parasite emerging from 

 the host puparium.) 



DiPLAZON Nees 

 (Bassus auctt.) 



D. concinnus (Cress.). Oswego, Je (Cush-US) ; Ithaca, May-Sep (Cush-CU). 



D. laetatorius (Fab.). Cranberry L., Aug, Htly (Cush-NYS Col. For.) ; Oswego 

 (US) ; Rochester Jet., Jl, Leon (Cush-CU) ; Honeoye Falls, May (Cush-CU) ; 

 Spring Lake, Jl (Cush-CU) ; Norton's Landing, Cayuga L., Je, SniHH 

 (Cress-CU), det. as sycophanfa Cr. ; Ithaca, May-Sep, McLean Bogs, May 29 

 (Cush, Maidl-CU) ; Mud Cr., Slaterville to CaroHne, Je, MacG&Bdy (Cush- 

 CU) ;_ Binghamt on, Aug, Jackson (Cush-US); Albany, May, Yg (NYS). 

 This is a cosmopolitan and very variable species. It has a long list of 

 synonyms and named varieties. The latter serve no useful purpose, as they 

 are not well defined but are merely steps in a gradual variation. 



D. orbitalis (Cress.). "NY" (GCDavis). 



D. pulchripes (Prov.). Cranberry L., Jl, Htly (Cush-NYS Col. For.); Ithaca, 

 May-Sep (Cush-CU). 



D. scutellaris (Cress.). Manlius, SmHH (Cress-CU) ; Rock City, Ithaca, Je 



(Cush-CU). 



Enizemum Foerster 



E. tibiale (Cress.). Poughkeepsie, May, Yg (NYS). 



HOMOTROPUS Foerster 



H. bicapillaris (Walsh). Olean, May, Yg (NYS). 



H. bicapillaris var. albopictus Davis. Cranberry L., Je, Htly (Cush-NYS Col. 



For.) ; Rock City, Jl (Cush-CU) ; Ithaca, Jl-Aug (Cush-CU) ; McLean, Je 18, 



Sih (Bdy-CU). 

 H. decoratus (Cress.). Sport I., Sacandaga R., Je, Alex (Cush-CU). 

 H. humeralis (Prov,). Caroline to Harford, Je, MacG&Bdy (Cush, Maidl-CU). 



