ART. 16 NORTH AMERICAN ICHNEUMON-FLIES CUSHMAN 13 



Type-locality. — Inglenook, Pa. 



AUotype-locaXity. — Speeceville, Pa. 



Typ€.—Q2it. No. 40580, U.S.N.M. 



Five females and one male as follows: Type taken in August by 

 J. N. Knull; allotype July 8, 1909, by P.^ R. Myers; District of 

 Columbia, July and August; Thomasville, Alabama, April 20, 1910, 

 W. D. Pierce. 



MESSATOPORUS MAJOR, new species 



Fig. Cc ; 



Very closely related to cotiipressicornis and perhaps only a large 

 specimen of that species differing slightly in structure of head and 

 color of legs as follows: 



Female. — Length, 13 mm. 



Eyes only very slightly convergent below ; front and middle tibiae 

 testaceous, middle tarsi f usco-testaceous ; sheath very nearly as long 

 as abdomen. 



Type-locality. — Orlando, Fla. 



Type.— Csit. No. 40581, U.S.N.M. 



One female, October 13, 1925, O. C. McBride. 



Genus MALLOCHIA Viereck 



Mallochia Viereck, Proc. U. S. Nat. Mus., vol. 43, 1912, p. 591. Genotype. — 

 Mallochia ageniodes Viereck. ^ 



Head transverse, temples convexly narrowed; clypeus small, ar- 

 cuately truncate and medially more or less distinctly toothed at apex ; 

 eyes large, somewhat bulging; frons unarmed; mandibles short, up- 

 per tooth slightly larger and longer than lower ; scape obliquely trun- 

 cate ; flagellum filiform, in female somewhat thickened toward apex. 

 Thorax long subcylindrical, propodeum very long with basal carina 

 obsolete to distinct, other carinae absent, spiracles small circular; 

 notauli distinct anteriorly but not deep ; sternauli obsolete ; scutellum 

 nearly flat; wings narrow, stigma small, radius slightly before mid- 

 dle, radial cell short, areolet small pentagonal, cubitus beyond sec- 

 ond recurrent and second intercubitus weak, nervulus antefurcal, 

 subdiscoideus far above middle of postnervulus, nervellus strongly 

 reclivous, its u])per abscissa perpendicular to cubitella ; legs long and 

 slender, longer hind calcarium not or barely half as long as basitar- 

 sus, front tibia in female neither inflated nor basally constricted. 

 Abdomen long fusiform in female, very narrow and subclavate in 

 male; first segment short, straight, gradually widened toward apex, 

 spiracles slightly behind middle; apical tergites in female short; 

 ovipositor sheath much shorter than abdomen ; thin, sagittate at apex. 



