MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID.E. 207 



yellow. Antenna^. 12-jouited, bhu^k, the scape yellowish towaicT the 

 base; first two funiclar joints equal, about twice as long as the pedicel; 

 third and fourth, miuute, transverse. Mesonotuni with traces of the 

 parapsidal furrows posteriorly. Scutellum smoother than the niesouo- 

 tum, but still slightly punctate. Metathorax laterally above and the 

 nietapleura polished, the angles obtuse. Wings smoky-hyaline, paler 

 at base. Abdomen oval, smooth, polished, the first and second seg- 

 ments striated. 



Habitat. — District of Columbia. 



Type in Coll. Ashmead. 



Described from one specimen received from Mr. E, A. Schwarz. 

 Gryon borealis Ashiu. 

 (PI. VIII, Fig. 7, 9-) 



AcoJus horecdis Ashm., (Jan. Ent., xx, p. 50. 

 $. Length,!™". Apterous; black, subopaque, closely microscopic- 

 ally punctate and with a fine sericeous pubescence; lower part of face 

 striated. Mandibles pale. Metathorax with the angles subacute. 

 Anteunai 12-jointed, black or brown-black; first funiclar Joint longer 

 and thicker than the pedicel; second one-third shorter than the first; 

 third and fourth minute, transverse. Legs pale rufous or brownish- 

 yellow, the coxa? black. Abdomen oval, microscopically punctate, but 

 shining, the first and second segments striated. 



Habitat. — Ottawa, Canada. 



Types in Coll. Ashmead. 



Described from four specimens received from Mr. W. H. Harrington. 

 Gryon canadensis Ashm. 



Aeolus canadensis Ashm., Can. Ent., xx, p. 50. 



9. Length, O.GO™'". Apterous; black, subopaque, closely, minutely 

 l)uuctulate and pubescent; face polished, with striji? at base. Man- 

 dibles pale rufous. Antennse 12-jointed, black, the scape pale at base; 

 first and second funiclar joints very little longer than thick, the second 

 slightly the smaller; third and fourth minute, transverse; club very 

 large, the joints close set, transverse. Scutellum small, sublunate, 

 shining. Metathorax short, narrowed posteriorly, the angles not at all 

 prominent. Legs fuscous, the trochanters, knees, and tarsi, honey- 

 yellow. Abdomen rotund-oval, smooth, shining, impunctate, the first 

 and second segment very short, transverse, striolate, the second with 

 a fringe of glittering hairs at apex. 



Habitat. — Ottawa, Canada. 



Types in Coll. Ashmead. 



Described from four specimens received from Mr. W. H. Harrington. 

 Allied to G. borealis, but smaller, the legs differently colored, the meta- 

 thoracic angles not at all prominent, while the abdomen is polished, 

 impunctate. 



