244 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



coarsely lougitudiiially Ktriated; the first segmeut is short, transverse, 

 very little k)iiger than half the length of the second; the third, the longest, 

 the fourth, a little shorter than the third; the fifth, about as long as the 

 second; the sixth, shorter. 



$ . Length, o.G""". Head and thorax coarsely rugose, the latter 

 without furrows; antenuiTe pale brown, 10-jointed, the third flagellar 

 joint longer iind wider than the others; legs brownisli-yellow; wings 

 hyaline, the subniarginal vein terminating in a rounded stigma with a 

 short stigmal vein ; abdomen distinctly striated, the apical edges of the 

 segments smooth, impunctate. 



Habitat. — Massachusetts. 



Types in National Museum. 



Describedfrom 3 9 specimens, now in poor condition, reared by Samuel 

 H. Scudder from the eggs of IHssosteira caroUna. 



Scelio pallidipes, sj). nov. 



$. Length, 3.2""". Head and thorax coarsely rugose, the latter 

 without parapsidal furrows. Antennte brown-black, scape brownish, 

 the third flagellar joint much wider than the others, twice as wide as 

 long. Angles of metathorax rounded, not prominent. Wings clear- 

 hyaline, the submarginal vein and the stigma hyaline, scarcely appar- 

 ent; no stigmal vein. Legs wholly brownish-yellow. Abdomen stri- 

 ated, the first segment quadrate, separated from the second by a strong 

 constriction; venter distinctly, but not coarsely, striated. 



Habitat. — Jacksonville, Fla. 



Types in Coll. Ashmead. 



The wholly brown-black flagellum and the difference in tlie metatlio 

 racic angles separate the species from S. iKillidicornis, the only species 

 with which it would be apt to be confused. 



Scelio pallidicornis, sp. nov. 



$ . Length, 4.1""". Black, coarsely rugose; antenuaipale or brown- 

 ish-yellow, the pedicel shorter than the first flagellar joint, the latter 

 obconical and the longest joint; the third joint the widest, about li 

 times as wide as long, or only slightly wider than the following joints. 

 Angles of metathorax somewhat prominent, covered with a whitish 

 pubescence. Wings subfuscous, hyaline at base, the stigma without 

 a stigmal vein. Legs wholly brownish-yellow. Abdomen above 

 coarsely striated, and with dilated punctures ; beneath smoother, 

 shining, but longitudinally striated, the striae faint or indistinct beneath 

 the lateral carina. 



Habitat. — Jacksonville, Fla. 



Type in Coll. Ashmead. 



The large size, juile antenna', and color of wings at once separate the 

 species from the others described here. 



