184 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.40. 



almost smooth; propodeum granular; wings transparent, faintly 

 infuscated, second abscissa of radius about as long as the first trans- 

 verse cubitus; first, second, and third dorsal abdominal segments 

 stramineous, the second a little shorter than the first and fused with 

 the third, second segment smooth and polished, remaining segments 

 black, lateral furrows of second segment distinct, simple and extend- 

 ing a little back of the middle of the segment, sheaths of the ovipositor 

 blackish, ovipositor dark stramineous. 



Male. — Similar to the female but differing as follows: Antenna? 38- 

 jointed, flagel blackish throughout; thorax black; first, second, and 

 third tergal segments black. 



Type.— Cat. No. 13481, U.S.N.M. 



Type-locality. — Corry, Pennsylvania. Received from the Bureau 

 of Entomology, U. S. Department of Agriculture, "Webster No. 

 6703," lot No. 31 and 41; W. W. Yothers, collector; reared from 

 larvae of Crambus. The paratypes are from the type-locality except- 

 ing some females as follows: '-No. 196 Ex. Crambus caliginosus," 

 "No. 16920," "No. 705, June 23," "From unknown pupa, August 18, 

 1872," and additional specimens from Jacksonville, Florida, and 

 Washington, District of Columbia. Ashmead collection. The atopo- 

 paratypes (paratypes not from type-locality) paler than the types 

 and paratopotypes, but in color pattern, structure, and sculpture 

 apparently typical. 



MICROBRACON HOWARDI, new species. 



Belongs to that catagory of Marshall's section I having a median 

 longitudinal carina on the propodeum (Tropidobracon Ashmead). 

 Compares well with (Bracon) Microbracon fulvipes Nees, from which 

 it differs as follows : 



Female. — Length 3.5 mm.; sheaths of the ovipositor 5.5 mm. long; 

 mostly stramineous and yellow, head and thorax shining, abdomen 

 dullish; head mostly stramineous, except for the orbits which are 

 more or less yellow and the interocellar area which is black, vertex 

 exceedingly finely sculptured; dorsulum indistinctly sculptured, its 

 median longitudinal two-fourths brownish anteriorly, yellowish pos- 

 teriorly, the outer fourths mostly blackish, scutel yellow, rest of 

 thorax stramineous maculated with brownish except the mesepister- 

 num which is mostly yellow, legs stramineous excepting the tarsi 

 which are brownish; propodeum mostly brown, stramineous laterally, 

 perfectly smooth and polished, the carina distinctly developed 

 throughout; tergum of abdomen mostly granular, yellowish and 

 stramineous, in part with brownish stains, second tergal segment 

 mostly reticulate, the third with the reticulations so arranged as 

 almost to make well defined strise. 



Type.— Cat. No. 13493, U.S.N.M. 



Type-locality. — Chai-Chai, Mozambique, Portuguese East Africa. 



