162 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



Firwt fiiuirliir joint shorter than the pe<lict'l. 

 Thorax fiiu'ly and closely imnctuto. 



Second ahdoniinal seynieiit lon^itndinally iicicnlatcd. 



Scntelhun smooth, polished T. thyant-K, sp. nov. 



Thorax rufjose. 



Second abdominal segment jterfectly smooth. 



Scutelliim punctate or rugose T. MrmiANTi.K, s|>. nov. 



Legs and scajx' yellow, or pale ferruginous; cox.-e 1>la<'k. 

 Pedicel longer than the first fiiniclar joint. 



Scutellum rugoso-punctate, suhopaque T. lii'FiscAiTs. sp. nov. 



Scutellum smooth, polished T. iskochy.mkn.k Ashin. 



TrissolcuB euschisti Aslmi. 



TftfHomiiM iimfliinluM Ashm., Hull. No. ;-$, Kans. Ex. Sta., .\i>j»..p. ii (1888). 



9 , Length, l..")'"". Black, .sliiuiiig, very finely <*l().*<ely i»uii('ts»te, tlie 

 tlMU<'ix with a white pubeseeiice. Head very large and broad, the face 

 with a median Inrrow. Mandibles pieeous-black. Palpi pale. Anten- 

 na' ll-.jointed, dark brown, the scape at ba.se 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 the first fnniclar joint, the latter thrice as 

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

 (i-jointed. Mesonotum with 3 al)bie\ iated furrows posteriorly; scutel- 

 lum smootli, shining, impuuctured. Wings hyaline, the venation pale 

 brown or ycUowish, 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-yeUow, the tibiae sora«'times 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 C«»ll. Asliinead. 



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

 the eggs of EnschiKtus scrvus Say. 



Trissolcus podisi, sp. nov. 



9 . Length, 1 to 1.2""". Black, subopaque, the thorax microscopically 

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

 rouiiding the orbits; mandibles black. Antenme ll-jointed, black, the 

 ]>edicel not longer than the first funiclar joint, the second and third 

 funiclar joints transverse «iuadrate; the club large, pointed at tip, the 

 joints transverse. Thorax with 3 abbreviated furrows j)08teriorly; 

 scutellum smooth, polished, impunctured. Wings hyaline, finely pubes- 

 cent; the venation fu.scous, the marginal vein about half the length of 

 the shaft of the stigmal. Legs bhwk, trochanters, knees, tips of tibia* 

 and tarsi, pale or yellowish. Abdomen broadly oval, about as large as 

 the thorax, i»olishe<l, the first segnu'iit striate, the .second about thrice 

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



Habitat. — Pliiladelphia, Pa. 



Types in National Museum. 



