MONOOKAPH OF THE NORTH AMERICAN PROCTOTRYPIDiB. 397 



Logs cliiviite, pilose, th«i tarsi long, slender, the iM>sterior tarsi with 

 the basal, joint almost twice as h)ng as the seeond. 



Uesetnblesboth PtframeHiuHiind lianalifs; from the former it is distin- 

 guished by the distinct basal nervure, usually a less distiiu-tly pointed 

 abdomen and the structure of the second segment, wiiich overlaps the 

 ai>ex of tlie petiole and is without sulci at base, while the distinct 

 mesonotal furrows, huiger submarginal vein, and the wholly diti'crent 

 anteuuie in the S separate it from the hitter. 



TAHLK OF SPECIES. 



StMitelliim with 2 fovp.i' at base. 



Scaptilii- not separated 2 



8capulii> He]>arat<Ml posteriorly. 

 9 . Five terminal joiuta of anteuna* black, rest of antenuai lyrownish-yellow 

 or rnlbns. 

 Scntellnm with a row of H large punctures at apex, the Hlionlders with a 



f^rooved lino S. AKMAira Aslini. 



Scutellniu with a row of 6 aniall punctures at apex, the shoulders without 



a jjrooved line S. athulavl's, sp. nov. 



<?. Autenuic and legs browuisli-yellow, the flagellar joints long, nearly 

 etiual, the lirst two a little longer, about five times as long as thiek 



S. Fi.AVicoRNis, sp. nov. 

 2. Coxai and femora black. 



^ . Anteuine black, first three Hagellar joints about e(|ual, the second excised at 

 base, about four times as long as thick, tlie following three times as 



long as thick S. atropetiolatus Ashm. 



f S. FOVEATl'S Prov. 

 f S. LONGICOKNIS Prov. 

 Spilomicrus armatus, sp. nov. 



(PI. XVI, Fig. 7, $.) 



9 . Length, 3.1" ". Polished black, impunctured, with long, sparse 

 hairs; a tuft of pubescence on cheeks behind, collar at sides and peti- 

 ole beneath, griseous. Antenuie 13-jointed, brownish-yellow, the 5 ter- 

 minal joints black or fuscous; the Uagellum is about 2^ times as long 

 as the scape, thickened toward tip, the Joints 6 to 10 quadrate, the last 

 oblong. Thorax with two furrows, the scapulic with a long grooved 

 furrow; scutellum rather flat, with 2 large foveie at base, grooved lines 

 at sides, at apex truncate and with a row of (5 large punctures; meta- 

 thorax with an acute, triangular central carina, the sides pubescent. 

 The mesopectus has 3 or 4 distinct stiite just above the Tniddle coxae. 

 "Wings subhyaline, the stigma rufo-piceous, triangular; basal nervure 

 wanting, indicated only by a wrinkle in the wing surface. Legs brown- 

 ish-yellow, the first joint of trochanters long, clavate. Abdomen ob- 

 long-oval, polished, black, the petiole a little more than twice as long 

 as thick, strongly fluted, with long, sparse pubescence above and woolly 

 beneath, the wool extending on to the second yentrftl segment, 



Habitat. — District of Columbia. 



Type in Coll. Ashmead, 



