NORTH AMERICAN ICHNEUMON-FLIES, NEW AND DE- 

 SCRIBED, WITH TAXONOMIC AND NOMENCLATORIAL 

 NOTES. 



By R. a. Cushmax, 



0/ the Bureau of Entomology, United States Department of Agriculture. 



This paper includes corrections to Viereck's "Type species of the 

 genera of Ichneumon-flies," published as Bulletin 83 of the United 

 States National Museum, and extensive additions to my own revision 

 of the tribe Cremastini \ together with the descriptions of 1 new genus, 

 1 new subgenus, and 23 new species of Ichneumonidae, and 3 new 

 species of Braconidae. 



Family ICHNEUMONIDAE. 

 Subfamily Joppinae. 



Genus PHAEOGENES Wesmael. 



PHAEOGENES AECTICUS, new species. 



At once distinct from any described North American species by 

 the insensely black immaculate body and antennae and bright 

 reddish testaceous legs. 



Female. — Length, 6 mm. ; antennae, 3.5 mm. 



Head finely punctate, temples sparsely, face more densely so, 

 beiiind eyes nearly as broad as eyes; temples strongly convex; occi- 

 put deeply concave; face medially elevated; clypeus transverse, 

 nearly twice as broad as long, apex rounded, sparsely punctate, 

 margin finely foveolate, deeply separated from face, the foveae large 

 and deep; cheeks slightly buccate; malar space nearly as long as 

 basal width of mandible; antennae rather short and stout, scape 

 onh^ weakly obhque at apex, about as long as first joint of flageUum, 

 the latter about twice as long as thick; mandibles narrowed apicaUy, 

 lower tooth much shorter than upper; pronotum, mesoscutum, and 

 scutellum polished, with weU-separated punctures coarsest in middle 

 of mesoscutum; notauli briefly impressed, mesopleurum and meta- 

 pleurum punctate-striate, tlie former polished in dorso-posterior 

 angle; sternauli well defmed for about half the length of the meso- 

 pleurum; propodeum with carinae strong, upper hind angles angu- 

 late, areola hexagonal, aboiit as wide as long; petiolar area com- 

 prising about haK dorsal surface of propodeum, slightly concave, 



1 Proc.U.S.Nat.Mus., vol. 53, 1917,pp. 503-551. 



Proceedings U. S, National Museum, Vol. 58— No. 2334. 



