ICHNEUMON-FLIES OF GENUS CARDIOCHILES — MAO 253 



of radius sliglitly shorter but thicker than that of basal vein ; third 

 abscissa of cubitus slightly shorter than fourth ; recurrent vein longer 

 than second abscissa of cubitus ; nervulus postf ureal by 0.67 its length ; 

 first abscissa of submedius shorter than second ; interanal vein repre- 

 sented by a short stump continued by a pigmented line, second and fifth 

 segments of fore tarsus about equal ; apex of hind tibia thickened on 

 outer margin at apex and expanded into a flaring process ; imier spur of 

 middle tibia about 0.67 as long as basitarsus; inner spur of hind tibia 

 about half ns long as basitarsus; second and fifth segments of middle 

 tarsus about equal; second segment of hind tarsus longer than fifth; 

 hind tarsal claws pectinate basally, each with three or four visible teeth. 

 First abdominal suture slightly curved to the mai-gin, second and third 

 tergites about equal medially; hypopygium in profile obtuse, about 

 as long as combined length of first two tergites, its median ventral line 

 without a longitudinal fold; ovipositor sheath about 0.67 as long 

 as hypopygium, smooth, polished, spatulate, with short pubescence 

 (pl.5, fig. 37). 



Male. — Similar to the female except slightly smaller, mesoscutum 

 entirely black, hind femur and tibia wholly ferruginous, fore and mid- 

 dle tarsi pale. 



Type.—V.^.'^M. No. 58294. 



Tyjje locality.— Faiviiix, Calif. (May 1, 1921, C. T. Dodds) . 



Described from two females and two males; the paratypes are 

 merely labeled "So. Cal." Two paratypes are in the Academy of 

 Natural Sciences of Philadelphia. 



CARDIOCHILES SEMINIGER (Cresson) 



Tenthredoides seminiger Cresson, Proc. Ent. Soc. Philadelphia, vol. 4, p. 291, 1865 



(female, male). 

 Toxoncuron seminigrum Ckesson, Trans. Amer. Eat. Soc, vol. 4, p. 179, 1872. — 



Camekon, Biologia Centrali-Americana, Hymenoptera, vol. 1, p. 411, No. 5, 



1887. 

 Toxoneura seminigra Ashmead, Proc. Ent. Soc. Washington, vol. 3, No. 10, pp. 49, 



52, 1894. 

 Cardiochiles seminigrum Viereck, Trans. Kansas Acad. Sci., vol. 19, p. 275, 1905. 



Female. — Length about 7 mm. Head black, narrow inner and broad 

 outer orbits and basal half of clypeus ferruginous; middle part of 

 mandible dark red ; thorax and abdomen ferruginous, proepisternum, 

 anterior margin of the lateral face of pronotum, pectus, ventral half 

 and posterior margin of mesopleuron, metapleuron, and propodeum, 

 black ; wings fuliginous, veins dark ; legs ferrugious, coxae, trochanters, 

 and femora basally, black ; apex of hind tibia, last tarsal segment of 

 foreleg and middle tarsus blackish, hind tarsus black ; first tergite black 

 medially ; ovipositor sheath black. Antenna 39-segmented in the type, 

 eye bare ; ocelli elevated slightly ; vertex smooth and polished ; f rons 



