ABT. 16 NORTH AMERICAN ICHNEUMON-FLEES CUSHMAN 57 



mandible; occipital and hypostomal carinae meeting very close to 

 ventral articulation of mandible. Thorax finely opaque coriaceous, 

 depressions of pronotum and upper part of mesopleurum, striate; 

 middle and posterior areas of propodeum weakly rugose, the petiolar 

 areas subpolished; thorax otherwise at most sparsely punctate; areo- 

 let very small, the lumen hardly as broad as thickness of the sur- 

 rounding veins. Abdomen finely coriaceous, opaque. 



Black with profuse yellow markings as follows: Orbits, nearly 

 meeting behind ocelli, face, mouth parts, under side of scape, and an- 

 nulus occupying flagellar joints 6-11; anterior and humeral margins 

 of pronotum, propleura, lateral margins of prescutum and inner mar- 

 gins of lateral lobes of mesoscutum, scutellum, postscutellum, tegulae, 

 mesopleurum except impressions, prepectus, sternum, both upper and 

 lower divisions of metapleurum largely, propodeum behind basal 

 carina except middle of petiolar area and narrow marks along lateral 

 margins; and broad apical and lateral margins of tergites; wings 

 hyline, veins brown, stigma pale; legs pale testaceous, coxae and 

 trochanters paler above, hind coxa with a blackish streak above; 

 hind tarsus with joints 2-4 white, 5 black. 



Type-locality. — Victoria, Tex. 



Host. — Polistes Tiiacidata. 



Type.— C^t No. 40593, U.S.N.M. 



Five females in poor condition reared November 10, 1914, by J. D. 

 Mitchell. 



SPECIES WRONGLY REFERRED TO MESOSTENINI 



The name in parentheses is that of the author of the species and 

 the name following the parentheses is that of the authority for the 

 transfer. The words " Rohwer notes " indicate that the transfer is 

 made on the basis of the examination of the type by S. A. Rohwer, 

 or confirmed by his examination. 



{Mesostenus) Phygadeuoii alhicoxus (Provancher) Provancher. 

 This transfer was made in " Faune Ent. Can. Hym., 1883, p. 318.." 



{Mesostenus) Mesoleptus alhifacles (Provancher) Davis, Rohwer 

 notes. 



{Mesostenus) Gratickneumon annulatus (Provancher) Roman. 



{Mesostenus apicalis Provancher) =Anibly teles -finitwius (Cres- 

 son). New combination. 



{Mesostenus longicoi^nis Vvo\q.ivc\.\qv)= Mesoleptus nioyeni (Pro- 

 vancher, teste Provancher, Davis and Rohwer notes. 



{Mesostenus) Phygadeuon -fiavipes (Provancher) Davis, Rohwer 

 notes. 



{Mesostenus) Tryphonini latigaster (Provancher), Rohwer notes. 



{Mesostenus) Pezoporus nigricomis (Provancher), new combina- 

 tion, Rohwer notes. 



