114 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



MALES. 



Species smooth, shining. 

 First flagellar joint much longer than the second, the second and the following 

 at least thrice as long as thick. 

 Scape and legs brownish-yellow. 



Wings clear hyaline ; length 1. 6""™ M. l^VICEPS, sp. nov. 



AVings fusco-hyaline; length 2"""" M. ambiguus, sp. nov. 



Antennse wholly brown-black, legs rnfons M. califoknicus, sp. nov. 



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

 lowing scarcely twice as long as thick. 

 Antennae brown ; legs rufous, abdomen jiiceous or rufous toward base. 



M. PERGANDEI. 



Megaspilus anomaliventris, sp. nov. 



9 . Lengtli, 2.4™'". Black, shining; head and thorax finely alnta- 

 ceons ; antennre brown-black ; legs reddish-yellow, the posterior coxiie 

 a little dusky basallj^; abdomen polished black, becoming piceous at 

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

 the head, pubescent. Antennfe 11-jointed, the flagellum 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 

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

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

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

 hyaline, pubescent, with a faint 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 coxie, brown- 

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

 Antennaj 11-jointed, subclavate, the flagellum slightly more than twice 

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

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

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

 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 Prof. E. A. Popenoe 

 and in honor of whom the species is named. 



