MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID^. 393 

 Paraniesius parvulus, sp. nov. 



9. Length, 1.5""". Polished blaclc, inipimctured, witli some sparse 

 Lairs; anteiiuiT', except tlie five or six terminal joints, and legs, lioney- 

 yellow or brownisli-yellow; mandibles reddish; palpi white. Anten- 

 uje 13-jointed, about as long as the body; the tiagellum elavate, twice 

 as long as the scape, the 5 or terminal joints black or blackish, the 

 last joint being very large, fusiform, as long as the three preceding- 

 joints united and much stouter; the pedicel is longer and stouter than 

 the iirst flagellar joint, the joints beyond submoniliform, gradually 

 widening toward tips; the penultinmte quadrate. Thorax with two 

 furrows; the scutellum foveated at base and grooved at the sides; 

 posterior margin of prothorax at the sides with a row of punctures, 

 otherwise smooth and polished; metathorax finely rugose, pubescent, 

 Avith a prominent acute median carina above. Wings clear, hyaline, 

 fringed, the submarginal vein pale yellow, reaching the costa at half 

 the length of the wing; the marginal vein fuscous or brown, twice as 

 long as thick at tip. Abdomen petiolated, conic-ovate, longer than the 

 head and thorax, united, i)olished black, the petiole more than twice as 

 long as thick, coarsely fluted, pubescent beneath, the second segment 

 fully twice as long as the petiole, apex with sparse, long, white hairs. 



Habitat. — District of Columbia and Arlington, Va. 



Type in Coll. Ashmead. 



Paramesius terminatus Say. 



PsUks ierminaius Say, Leconte Ed. Say, ii, p. 778. 

 raramesiiis iermlnafiin Ashiii., Can. Eiit., xix, p. 196. 

 Diapria termviata Cr. Syii. Hym , p. 251. 



9, Length, 2.5""'. Polished black, impunctured, s^iarsely pubes- 

 cent; antenmie, except toward apex, and legs honey-yellow; petiole 

 obscurely rufous. A^itenna^ lo-jointed, the pedicel longer than the 

 first flagellar joint, funiclar joints 1 to 5 subequal,the first about thrice 

 as long as thick at apex, the fifth scarcely twice as long as thick, the 

 joints from here moniliform, the last fusiform, longer than the two pre- 

 ceding joints united. Thorax with 2 furrows; the scutellum trun- 

 cate behind, with a quadrate, crenate fovea at base, the mesopleura 

 below with a few longitudinal stria"; metathorax rugulose, pubescent, 

 with a prominent acute carina above. Abdomen conic-ovate, highly 

 polished, the tip pointed, piceons, the jtetiole about twice as long as 

 thick, striated. 



Habitat. — Bladensburg, Md. 



Specimens in Coll. Ashmead. 



Paramesius clavipes AsLm. 

 Can. Eiit., XX, p. 53. 



9. Length, 2'""'. Polished black, impnnctured, covered with some 

 long, sparse hairs on the head, thorax, and surrounding the apex of 

 abdomen; the metathorax and petiole beneath rather densely pubes- 



