ICHNEUMON-FLIES OF GENUS CARDIOCHILES — MAO 243 



Described from two females and a male. The allotype and para- 

 type are in the U. S. National Museum; the female is from Juarez, 

 Mexico, and the male from Albuquerque, N. Mex., both collected by 

 T. D. A. Cockerell. 



CARDIOCHILES MAGNUS, new species 



Female. — Length about 8 ram. Head and thorax black with the 

 following parts ferruginous: Narrow inner and broad outer orbits; 

 median basal part of clypeus ; mesoscutum and scutellum ; upper por- 

 tion of mesopleuron. Middle portion of lateral face of pronotum 

 dark reddish. Wings fuliginous; costa and stigma dark. Coxae and 

 trochanters black ; femora ferruginous, black basally ; tibiae ferrugi- 

 nous, hind tibia black at apex ; tibial spurs testaceous. Abdomen fer- 

 ruginous, its tip and hypopygium except base, black. Head elliptical 

 in front view; antenna around So-segmented; eye bare; ocelli ele- 

 vated; vertex smooth, polished; frons smooth, polished; face about 

 2.50 as wide as long, punctate, and with a short median longitudinal 

 ridge above, below which it is broadly a little elevated ; clypeus punc- 

 tate, its median basal portion slightly elevated, its apical margin 

 truncate, not notched ; temple bulging, wider than eye in dorsal view ; 

 malar furrow about 0,67 as long as basal width of mandible; galea 

 much shorter than long axis of eye. Median portion of lateral face 

 of pronotum rugose ; mesoscutum and scutellum smooth and sliining ; 

 median lobe of mesoscutum with a shallow longitudinal depression 

 on each side of median line; notaulices foveolate; mesopleuron mi- 

 nutely punctate, upper groove foveolate, lower groove coarsely f oveate ; 

 anterior triangular portion of metapleuron smooth, posterior portion 

 rugulose; propodeum rugose, the carinae prominent, spiracle long 

 ovate. First abscissa of radius longer than that of basal vein ; third 

 and fourth abscissae of cubitus about equal ; recurrent vein and second 

 abscissa of cubitus about equal ; nervulus postf ureal by somewhat less 

 than its length; first abscissa of submedius shorter than second; 

 interanal vein represented by a short stump continued as a pigmented 

 line. Second and fifth segments of fore tarsus about equal; inner 

 spur of middle tibia about half as long as basitarsus, second and 

 fifth tarsal segments about equal; apex of hind tibia thickened on 

 outer margin and expanded into a flaring process, inner tibial spur 

 less than half as long as basitarsus, basitarsus shorter than remaining 

 tarsal segments combined, second segment longer than fifth; hind 

 tarsal claws pectinate, each with four or five short teeth on basal 

 half. First abdominal suture slightly curved to the margin ; second 

 tergite shorter than third, hypopygium plowshare-shaped, very large, 

 surpassing apex of last tergite, about as long as the first five tergites 

 combined; ovipositor sheath longer than hind tibia, broadest at the 



