16 PROCEEDINGS OF THE NATIONAL, MUSEUM vol. 79 : art. 14 



anterior two-thirds; pubescence of mesoscutiim practically confined 

 to notauli; sciitellum large, with long, sparse pubescence; wings 

 very densely pilose; stigma a little more than a third as broad as 

 long ; radius reaching margin distinctly before apex, its first abscissa 

 a little more than a third as long as second; second cubital cell twice 

 as long on radius as broad at apex. First tergite distinctly longer 

 than broad, its sides beyond spiracles parallel, median area longer 

 than broad; second tergite broadly emarginate in middle at apex, 

 suture deep and narrow and not f oveolate ; third tergite longer than 

 second, fourth shorter, fifth still shorter, ovipositor a little shorter 

 than abdomen. 



Head, including all appendages, thorax, and legs entirely coal 

 black; wings uniformly infumate; abdomen pale ferruginous to 

 yellowish with blackish stains at base of median area of first tergite 

 and in midde of apical tergites. 



Male. — Antennae as long as body ; abdomen piceous medially, pale 

 yellowish laterally, third tergite not longer than second. 



Host. — Pectinophora gossypiell<i (Saunders). 



Type.—\J.S.^.M. No. 42905, from Mokpo, Korea. 



Two specimens of each sex reared by T. Kambe in 1928. 



The female paratype is smaller than the type; the abdomen is 

 distorted so that the tergites have not the same proportions, and it 

 has the middle even more extensively piceous than the male. 



MICROBRACON ISOMERA. new species 



Female. — Of the same size and form as nigrorufum and agreeing 

 with nearly all the details of structure of that species as described 

 above, but tergites 2 to 5 are nearly all equal in length, only the third 

 being a little longer. 



In color entirely different from nigrot'ufum.^ being very largely 

 pale ferruginous with the legs pale testaceous with only the tarsi 

 more or less blackish. Top and back of head and lateral lobes of 

 mesoscutum black; prescutum, scutellum, and lower angle of pro- 

 notum stained with piceous, wings paler toward apex. 



Male. — Head more extensively black; only the inner orbits, lower 

 cheeks, and malar space reddish; propodeum and pleura also some- 

 what stained with piceous. 



Host. — Pectinophora gossypiella (Saunders). 



rype.— U.S.N.M. No. 42906, from Mokpo, Korea. 



One specimen of each sex reared by T. Kambe in 1928. 



This species may be only a color phase of nigrorufum, but the 

 color difference is so great that with only the material described 

 this appears impossible. 



o 



