NO. 1920. NEW BEES AND ICHNEUMON-FLIEH—VIERECK. 621 



CYANOPTERUS PECULIARIS. new species. 



Female. — ^Length, 12.5 mm.; api)arcnUy agrees best with Ipohracon 

 hoTiaerensis (Schrottky) as oiiginally described, but differs especially 

 as follows: Cheeks rotklish; antenna) distinctly shorter than the 

 body, thorax rather castaneous; fore coxse and trochanters concolor- 

 ous with the femora; mid-coxsB and femora blackish brown, their 

 trochanters rather testaceous ; liind logs blackish throughout excepting 

 base of tibia3 and the trochanters which are pale; wings almost uni- 

 formly dark brown ; the radial cell at base and along the lower edge, 

 first cubital cell and base of third discoidal coll, yellowish; first dis- 

 coidal cell rather blackish, second transverse cubitus bisinuate; 

 propodeum without furrows; abdomen uniformly dark reddish; 

 second dorsal segment mostly smooth, hitcndly elevated along the 

 margins, medially rather triangularly intumesccnt, the swollen 

 median area at base on each side with a sharp edge; third dorsal 

 segment with the anterior, lateral arese barely indicated; ovipositor 

 12 mm. long. 



Type-locality. — San Bernardino, Paraguay. 



Type.— Cat. No. 14716, U.S.N.M. 



Labeled, "No. 814, K. Fiebrig, collector, October 20." 



CYANOPTERUS STEIRASTOMiE, new species. 



Female. — Length, 1 1 mm. ; appears to have characters in common 

 with those mentioned in the original description of Bracon niyripes 

 Brulle, from which it may be distinguished by not having the pale 

 portions of thorax and abdomen concolorous, the former being reddish 

 and the latter 3^eUowish, and the proportionally shorter ovipositor; 

 differs from Ipohracon grandiceps Szepligeti, with the original descrip- 

 tion of which it agrees, except in the first abscissa of the cubitus not 

 being broken, in the pronotum being reddish and in the pale portion 

 of the abdomen being yellowish. Ovipositor 7 mm. long. 



Type-locality. — Port of Spain, Trinidad. 



T?/pe.— Cat. No. 14717, U.S.N.M. 



AUotopotype. — Essentially as in the type except in the attentuated 

 portion of the median area of second segment which is more carinat^ 

 than in the type. 



Labeled, "from larva of Steirasioma depressum, P. L. Guppy, col- 

 lector; No. 76." 



DIGONOGASTRA, new^ genus. 



This name is proposed for a group of species having characters in 

 common with Cyanopterus Haliday but with an area or keel on the 

 third dorsal segment. 



Type. — Bracon epicus Cresson. 



