930 ICHNEUMONIDAE 



ChrYSOPOCTONUS Cushman 

 (All the species of this genus are parasitic within the cocoons of Chrysopa.) 

 C. atriceps (Ashm.). Ithaca, Chitt (Cush-US). 



C. rileyi (Ashm.). Cranberry L., Aug, Htly (Cush-NYS Col. For.); Ithaca 

 (Cush-US). 



Tribe GELINI 



(Pesomachini auctt.) 



Gelis Thunberg 



(Pesomachus Gravenhorst) 



(The species of this genus are either secondary parasites or parasitic within the egg 



cocoons of spiders.) 

 G. bucculatricis (Ashm.). Chapel Pond, Je, Cy (Cush-US) ; Artist's Br., Jan, Leon 



(Cush-US); McLean, Sep 16, 1924, Sib (Mues-CU). 

 G. dimidiatus (Cress.). Ithaca, Mar, May (Ashm-CU), from a spider's egg-cocoon. 

 G. dispar (Strickl.). Ithaca, Sep 11, 1925, Babiy (Cush-CU). 

 G. flavocinctus (Ashm.). Ithaca (Strickland). 

 G. meabilis (Cress.). SI (Ashm). 

 G. microplitidis Gahan. Rye, May-Sep, Bird (type-US), from Microplitis gortynae 



Rly. 

 G. ottawaensis (Harr.). Penn Yan, Aug 2, 1925, Cy (Cush-CU). 

 G. thripites (Taylor). "NY" (Taylor). 

 G. uniformis (D.T.). Ithaca, Nov 19, 1925, Cy (Cush-CU), found ovipositing : 



on spider cocoon. 

 G. urbanus (Brues). Taughannock, Jl, 1925, Bdy, Guerlac (Cush-CU); Ithaca, i 



Mar 7 (Cush-CU) ; McLean, Ap, 1917, Bahiy (Cush-CU). \ 



Tribe CRYPTINI i^s 



(Including Mesostcnini) 



ACRORICNUS Ratzeburg 



A. junceus (Cress.). Norton's Landing, Cayuga L., Je, SmHH (Cress-CU) ; Mc- I 

 Lean, Aug 30, 1924, Sib (Bdy-CU) ; SI (Ds) ; LI: Fishers I. (AM).' 

 Parasitic in nests of Odynerus. 



SpILOCRYPTUS Thomson 



S. atricollaris (Walsh). Norton's Landing, Cayuga L., Jl, SmHH (Cress-CU); ; 



McLean, Jl 25-Sep 12, SRobinson, Sib (Cush-CU). | 



S. canadensis (Prov.). McLean, Aug 31, 1925, SRobinson (Cush-CU). 

 S. extrematis (Cress.). Albany, Je (NYS) ; LI: Flatbush, Zab (AM), Je (US) ; 



Jamaica, Je (US). Host: Samia cecropia. , 



S. nuncius (Say). McLean, Aug 23-30, SRobinson, Sib (Cush-CU); Albany, Jl 



(NYS) ; Nyack, Zab (AM). 

 S. polychrosidis Cush. Ithaca, Sling (Cush-US). Host: grape berry moth. 



^*^ If the Erlangen List is accepted, this tribe should be known as the Mesostenini, from the i 

 next oldest name, Mesostenus Grav. (Cush), or Itamoplegini, from Itamoplex Foerster, replacing 

 the homonym Cryptus Fab. (Bdy). 



