162 BULLETIN 15, UNITED STATE8 NATIONAL MUSEUM. 



Eir.st fuuiclar joint shorter than the pedicel. 

 Thorax finely and elosely pnnetate. 



Second abdominal segment longitudinally aeiculatcd. 



8cntelluni smooth, polished T. tiiyant.e, sp. nov. 



Thorax rugose. 



Second abdominal segnu-nt perfectly smooth. 



.Scutellnm punctate or rugose T. mir<;anti.k, sp. nov. 



Legs and scajie yellow, or pale ferruginous; coxa' black. 

 Pedicel longer than the first funiclar joint. 



Scntellnm rugoso-punctate, snbopaciue T. kufiscaits, sp. nov. 



Scutellnm smooth, i>olished T. i?rochymen.e Ashm. 



Trissolcus euschisti Ashm. 



Ttlcnomiis riischii<ruf< Ashm., Bull. No. H. Kans. Ex. Sta., A]»)i.. jt. ii (1X88). 



9 . Length, 1.5""". Black, sliiuiiig, very finely closely punctate, the 

 thorax with a white pubescence. Head very large and broad, the face 

 Avith a median furrow. Mandibles inceous-black. Palpi pale. Anten- 

 lue 11-Jointed, dark brown, the scape at base and tip, the pedicel and 

 one or two funiclar joints more or less pale brown or yellowish; the 

 pedicel is as thick and as long as thefirst funiclar joint, the latter thrice as 

 long as thick, the two following joints small, the club sleiulcr, fusiform, 

 6-Jointed. Mesonotum with 3 abbreviated furrows posteriorly; scutel- 

 lnm smooth, shining, impunctured. Wings hyaline, the venation pale 

 brown or yellowish, the marginal vein about one-third the length of the 

 stigmal. Legs black; the trochanters, tips of femora, tibiie, and tarsi, 

 honey-yellow or brownish-yellow, the tibijiB sometimes dusky or fuscous 

 at the middle. Abdomen broadly oval, polished, as long as the thorax, 

 the first segment striate. 



Habitat. — Manhattan, Kans. 



Types in Kansas State Agricultural College and Coll. Ashmead. 



Described from many specimens reared by Prof. E. A. Popenoe, from 

 the eggs of UuschistKS servus Say. 



Trissolcus podisi, sp. nov. 



9 . Length,! to 1.2"'"'. Black, subopaque, the thorax microscopically 

 imnctate; head broad, smooth, and polished, with a few punctures sur- 

 rounding the orbits: mandibles black. Antenuie 11-jointed, black, the 

 pedicel not longer than the first funiclar joint, the second and third 

 funiclar joints transverse-ipiadrate; the club large, pointed at tip, the 

 joints transverse. Thorax with 3 abbreviated furrows posteriorly; 

 scutellnm smooth, i)olished, impunctured. Wings hyaline, finely pubes- 

 cent; the venation fuscous, the marginal vein about half the length of 

 the shaft of the stigmal. Legs black, trochanters, knees, tips of tibiae 

 and tarsi, pal<^ or yellowish. Abdomen broadly oval, about as large as 

 the thorax, polished, the first segment striate, the second about thrice 

 as wide as long, with only faint traces of aciculatious at base. 



Habitat. — Philadelphia, Pa. 



Tyi)es in National .MnstMini. 



