ICHNEUMON-FLIES OF GENUS CARDIOCHILES — MAO 265 



15. Temple, in dorsal view, narrower than eye ; galea tapering strongly on apical 



half, its apex subacute; hypopygium far surpassing apex of last tergite 



in female texensis, new species 



Temple, in dorsal view, wider than eye; galea not tapering conspicuously, 

 broadly roundeil at apex ; hypopygium not surpassing apex of last tergite 

 in female nebrascensis, new species 



16. Thorax black; tegulae blackish abdominalis (Cresson) 



Thorax with pro- and mesonotum reddish yellow ; tegulae reddish yellow. 



truncus, new species 



17. Hind femur unusually broad, its extreme width nearly half its length ; usually 



mesonotum, and sometimes entire thorax ferruginous ; plate of first tergite 



usually ferruginous 18 



Hind femur much more than twice as long as its extreme width; thorax 

 black, occasionally mesonotum varied with ferruginous ; plate of first ter- 

 gite black 19 



IS. Head, thorax, legs including coxae, costa, and stigma reddish yellow. 



riibicundus, new species 



Head and thorax black, varied with ferruginous ; all coxae black ; costa and 



stigma blackish magnus, new species 



19. Propodeal carinae well-developed, the areas sharply defined ; wings strongly 



infumated throughout rufostigma, new species 



Propodeal carinae very weak, the areas not defined ; wings strongly infumated 

 apically, subhyaline basad of stigma dilatus, new species 



20. Legs entirely black 21 



Legs more or less extensively ferruginous 22 



21. Wings entirely fuliginous; second segment of middle tarsus about as long 



as fifth pluto (Ashmead) 



Wings hyaline with apical third to two-fifths fuliginous; second segment 

 of middle tarsus shorter than fifth nigricans, new species 



22. Thorax entirely black 23 



Thorax more or less ferruginous 28 



23. Costa and stigma bright ferruginous; head with ferruginous orbital mark- 



ing.s dignus, new species 



Costa and stigma dark brown or piceous ; head entirely black, except some- 

 times clypeus obscurely reddish 24 



24. Abdomen black 25 



Abdomen more or less extensively, often entirely, ferruginous 26 



25. Mesoscutum and scutellum closely, finely punctate; face closely punctate, 



its vestiture short, not conspicuous ; propodeal carinae weak, only the 



areola distinctly defined calif ornicus t Ashmead) 



Mesoscutum and scutellum smooth and polished; face polished, impunctate, 

 and clothed with conspicuous, long, blackish hair ; propodeal carinae promi- 

 nent, all areas sharply defined transversus, new species 



26. Frons distinctly wrinkled behind scapes ; occiput aciculate ; scutellum sculp- 



tured on apical half ; mesopleuron mostly rugulose punctate. 



uigroclypeus Viereck 

 Frons, occiput, and scutellum smooth and shining; mesopleuron smooth — 27 



27. Wings subhyaline on basal half, infumated on apical half. 



arugosus, new species 

 Wings entirely infumated arugosus var. pullus, new variety 



28. Costa and stigma bright orange ; head, except large spot on front and vertex, 



ferruginous inibldus, new species 



Costa and stigma dark brown or piceous ; head largely black 29 



