114 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



MALES. 



SpocieH Binooth, Hhining. 

 First Hagellar Joint much longer than tlie second, tho second and the following 

 iit least thrico as long us thitk. 

 • Scape and legs brownisli-yellow. 



Wings clear hyaline; length 1.6""" M. I.-KVICFPS, sp. nov. 



Wings fiisco-hyaline; length 2""" M. AMUKurus, sp. nov. 



Antcniiir wholly brown-black, legp rnfons M. caufohniCUS, si>. nov. 



First flagellar. joint not much longer than the second, the second and the fol- 

 lowing scarcely twice as long as thick. 

 Antenna^ brown; legs nifous, abdomen piceous or rufous toward base. 



M. I'KRGANDEI. 



MegaspiluB anomaliventris, sji. nov. 



9. Length, 2.4'""'. Black, shining; head and thoi ax finely aluta- 

 ceous; antenna^, brown-black; legs reddish-yellow, the posterior coxii? 

 a little dusky ])asally; abdomen polished black, becoming piceous at 

 apex. Eyes very large, occupying the greater portion of the sides of 

 the head, pubescent. Antennsb 11-jointed, the tlagellum flagellate, the 

 scape long, projecting beyond the ocelli; pedicel small, about half the 

 length of the first flagellar joint, the latter the longest joint, the second 

 short than the first, the third and following joints to the last stouter 

 an(' nearly of an equal length, very slightly longer than the second, 

 tliri last more slender and a little longer than the penultimate. Wings 

 hyaline, pubescent, with a taint dusky blotch below the stigmal vein, 

 the stigma large oval, truncate behind, brown, the stigmal vein less than 

 one and a half times as long as the stigma. 



Habitat. — Marquette, Mich. 



Type 9 in Coll. Ashmead. 



Described from a single specimen collected by E. A. Schwarz. 



Megaspilus Popenoei sp. nov. 



9 . Length, 1 .8 """. Black, shining, impunctured, with a sparse greyish 

 pubescence; scape, pedicel, collar, and legs, including the coxa?, brown- 

 ish-yellow; flagellum black, abdomen beneath and towards base piceous. 

 Antenna; 11-jointed, subclavate, the flagellum slightly more than twice 

 as long as the scape; the first flagellar joint is equal to the pedicel, the 

 second, third, and fourth shorter than the first but stouter, the follow- 

 ing longer than thick, the last conic, nearly twice as long as the penul- 

 timate. Wings subfuscous, hyaline at base, the parastigma slightly 

 developed, the stigma ovate, the stigmal vein about one and a half 

 times as long as the stigma; all the nervures dark-brown. Abdomen 

 longer than the head and thorax together, compressed and gaping open 

 at apex. 



Habitat. — Manhattan, Kansas. 



Type 9 in Kansas State Agricultural College. ' 



Described from a single specimen received from Pro£ E.A. Popenoe 

 and in honor of whom the species is named. 



