244 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 99 



middle, smooth, polished, and sparsely pubescent on apical half (pi. 5, 

 fig. 14). 



Male. — Essentially similar to the female. 



Ty/^e.— U.S.N.M. No. 58289. 



Type locality. — Plainview, Jefferson County, Colo. (July 1922). 



Described from the type and the following eight female and three 

 male paratypes : Male, Platte County, Colo., August 7 ; female, Plain- 

 view, Jefferson County, Colo., July 1922 ; male and two females, Mexia, 

 Tex.. September 13, 1905, parasite of Schinia sp. (Phalaenidae) ; male. 

 Clarendon, Tex., September 19, 1905; female, Garden City. Kans., 

 September 1896, W. H. Menke; male, Wellington, Kans., E. G. Kelly; 

 female, Albuquerque, N. Mex. ; and two female paratypes of Cardio- 

 chiles seminlgrum (Cresson) from Colorado. The two last paratypes 

 are in the Academy of Natural Sciences of Philadelphia; the others 

 are in the U. S. National Museum. 



CARDIOCHILES MINUTUS (Cresson), new combination 



Toxoneuron minutum Cresson, Can. Ent., vol. 5, p. 67, 1873 (female). 

 Toxoneura minuta Ashmead, Proc. Ent. Soc. Washington, vol. 3, p. 49, No. 2, 1894 

 (female). 



Female. — Length 2.50 mm.. Black, apical part of pedicel dark fer- 

 ruginous; wings fuliginous; foreleg black, femur apically, tibia, and 

 first four tarsal segments yellowish w^hite; middle leg black, femur 

 apically and first four tarsal segments yellowish white, tibia blackish; 

 hind leg black, tibia and tarsus blackish, tibial spur yellowish white; 

 lateral part of first tergite and anteroventral corner of second tergite 

 chestnut brown. Antenna 23-segmented, pedicel about 0.40 as long as 

 the first flagellar segment; eye hairy; ocelli elevated; vertex striate, 

 frons impressed, transversely striate, and with a median longitudinal 

 carina; face about twice as wide as long, irregularly punctate, and with 

 an indistinct tubercle above; clypeus somewhat w^rinkled, its apical 

 margin distinctly notched ; temple slightly wider than the eye in dorsal 

 view ; occiput roughened ; galea short. Median portion of lateral face 

 of pronotum and the mesonotum irregularly punctate; notaulices 

 sharply impressed, finely f oveolate ; upper groove of mesopleuron wid- 

 ened and rugose, lower groove foveolate, posterior groove coarselj"" 

 foveate with a smooth depression at the middle leading to the lower 

 groove; metapleuron rugose, the small anterior portion smooth and 

 polished; propodeum rugose, carinae moderately prominent and the 

 areas distinctly delimited, spiracle short ovate. Wings iridescent; 

 first abscissa of radius and basal vein about equal ; fourth abscissa of 

 cubitus about 1.50-2.0 times as long as the third; recurrent vein and 

 the second abscissa of cubitus about equal; nervulus postf ureal by half 

 its own length; first abscissa of submedius slightly longer than the 



