494 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 58. 



79. Wings somewhat infumated; ovipositor sheaths almost as long as the 



abdomen 76. victoriae, new species. 



Wings perfectly hyaline, not at all clouded 80. 



80. First abdominal tergite smooth and polished on basal half; second tergite 



muc-h broader at apex than long ; radius of forewiug longer than trans- 

 verse cubitus and uniting with it in a sharp angle. 



77. moniicola Ashmead. 



First abdominal tergite entirely minutely rugulose and opaque; second 



tergite no broader at apex than long 78. glacialis (Ashmead). 



81. Radius of forewiug much shorter than transverse cubitus ; ovipositor 



sheaths hardly exserted 79. feltiae (Viereck). 



Radius of forewing at least as long as transverse cubitus; ovipositor 

 sheaths almost as long as the abdomen 82. 



82. All legs entirely black ; abdomen slender, compressed posteriorly. 



80. nifier, new species. 

 All tibiae mostly testaceous; abdomen I)road, not compressed posteriorly. 



81. scutcllaiis, new species. 



83. Parapsidal depressions distinct on the posterior two-thirds of mesoscutum ; 



radius of forewing much shorter than transverse cubitus, and arising 

 more than two-thirds of the way out on the stigma ; first and second ab- 

 dominal tergites coarsely rugose; wings slightly infumated. 



82. tlwracicns, new name. 



Parapsidal depressions not distinct; otherwise not combining all the above 



characters 84. 



84. Second al)doniinal tergite much narrower at l)ase and but little broader at 



apex than long; ovipositor sheaths subexserted 85. 



Second abdominal tergite much broader at base than long, and at least 

 twice as broad at apex as long; ovipositor sheaths very broad and at 

 least two-thirds as long as the abdomen 83. staymatophorae Gahan. 



85. Fore and middle coxae and the extreme apex of hind coxae pale ; the three 



basal segments of the female antennal flagellum yellowish. 



84. coniprcssus Muesebeck. 

 All coxae black; antennae entirely black 86. 



86. First abdominal tergite parallel-sided to near the apex, and tlien rounded 



olf strongly 87. 



First abdominal tergite narrowing gradually from base to apex. 



85. compressiventris, new species. 



87. Posterior coxae with a conspicuous elongate-oval flattened area on outer 



face above; abdomen rather short, oval 86. phigaUaG Muesebeck. 



Posterior coxae evenly rounded at base ; abdomen very slender, strongly 

 compressed 87. alaslcensis (Ashmead). 



88. Mesoscutums, disk of scutellum and propodeum wholly impunctate, per- 



fectly smooth and highly polished 88. poUtvs Riley. 



Mesoscutum more or less punctate; propodeum rugulose or punctate, or 

 with a median carina 89. 



89. All coxae entirely stramineous 89. miUtaris (Walsh). 



At least posterior coxae black 90. 



90. Fore and middle coxae black 92. 



Fore and middle coxae bright yellow 91.^ 



91. Propodeum finely rugulo.se 90. fioridanus. new species. 



Propodeum smooth and polished, but with a median longitudinal carina. 



91. sordidus Ashnieml. 



