914 Braconidae 



subfamily zeliinae 1^0 



Zele Curtis 



Z. truncator (Say). Contrib. Maclur. Lye. Phil, 1828, 2:78. Ithaca, Jl, at light 

 (Ashm-CU). 



SUBFAMILY HELCONINAE 



(The species of this rather poorly known group appear on the whole to be 

 parasitic on the larvae of wood-boring Coleoptera.) 



EUMACROCENTRUS Ashmead 



[E. aniericanus (Cress.). Can. Ent., 1873, 5:84. Occurs at least from Canada to 

 Va.] 



Helconidea Viereck 



H. albitarsis (Cress.). Can. Ent., 1873, 5:83. Huguenot Pk. (Mues-CU). 



H. borealis (Cress.). Can. Ent., 1873, 5:83. Indian Falls, *Je (Mues-CU). 



Northeastern States. Parasitic on cerambycid larvae. 

 H. ligator (Say). Keating's Narrative of an expedition to the source of St. 



Peter's River, etc., 1824, 2 : 323. Syracuse, reared by B&S from coleopterous 



larvae in hickory; New Baltimore, from Neoclytns acumnuxtus (Fab.) 



-(Cerambycidae) (AM) ; Nyack, Zab (AM). 



HelCON Nees 



(Gymnoscelns Foerster) 



[H. pedalis Cress. Can. Ent., 1873, 5 : 85. Throughout the northeastern States. 

 Recorded as a parasite of a larva of Xylotrechus (Cerambycidae) in dead 

 hemlock.] 



SUBFAMILY OPIINAE l^l 



(The members of this subfamily are mostly parasitic on phytophagous Diptera 

 belonging to the families Agromyzidae, Trypetidae, and Anthomyiidae.) 



Opius Wesmael 



O. anthomyiae Ashm. Proc. U.S. Nat. Mus., 1888, 11:654. Honeoye Falls, Jl, 

 Leon (Mues-CU) ; Ithaca, Aug (Mues-CU). Parasitic on an anthomyiid min- 

 ing the leaves of dock. 



O. apicalis Gahan. Proc. U.S. Nat. AIus., 1915, 49:85. Ithaca, Je-Jl (Mues- 

 CU) ; Ellis to Slaterville, Caroline to Harford, Je, MacG&Bdy (Mues-CU). 



O. bruneipes Gahan. Can. Ent., 1913, 45 : 148. Chipmunk Swamp, Mix Cr. Val., 

 Cattaraugus Co, Je (Mues-CU); Caroline to Harford, Je, MacG&Bdy 

 (Mues-CU). 



O. cincticornis Gahan. Proc. U.S. Nat. Mus., 1915, 49 : 78. Oswego, type locality. 



^^° Included in Macrocentrinae by Szepligeti. 



^" A revision of the North American ichneumon-flies of the subfamily Opiinae. By A. B. 

 Gahan. Proc. U. S. Nat. Mus., 1915, 49:63-95. 



