130 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



long as the head and thorax together, the second segment with strisB 

 at base, a little longer than all the following segments united. 



Habitat. — Ottawa, Canada. 



Types in Coll. Ashmead. 



Two sx)ecimens received from IVIr, W. II. Plarringtou. 

 Ceraphron pedalis, sp, nov. 



9 . Length, 1.5"'"'. Polished black, with some sparse, minute punc- 

 tnres; legs entirely brownish-yellow; antennae black; wings subhya- 

 line, or with a yellowish tinge. Differs principally from G. melanocerus 

 in having the axilhe united before the base of the scutellum, the meta- 

 pleura bounded above by a high carina, the post-scutellum distinctly 

 toothed, the posterior angles of metathorax i)roduced into a tooth, the 

 paler, more uniformly colored legs, while tlie abdomen is longer, the 

 second segment being fully twice as long as all the following joints 

 united. 



Habitat. — Arlington, Va. 



Type in Coll. Ashmead, 



Ceraphron flaviscapus, sp. nov. 



?. Length, 0.9 to l'"*". Polishedblack,impanctured; scape, pedicel, 

 and legs, yellow or brownish-yellow; flagellum subclavate, brown or fus- 

 cous ; face impressed with a grooved line extending from the front ocellus ; 

 eyes pubescent; thorax with a central grooved line; scutellum a little 

 longer than wide; post-scutellum with a small tooth; posterior angles 

 of metathorax acute ; wings hyaline; tegula; yellowish. 



The antennfe are 10-jointed, the flagellum subclavate; first flagellar 

 joint much shorter than the pedicel, obconic ; the joints 1 to 5 transverse, 

 C and 7 quadrate, not longer than wide, the last fusiform, as long as (i 

 and 7 united. 



Habitat. — Arlington, Va., aud District of Cohimbia. 



Types in Coll. Ashmead. 



Three sj)eclmens. 



Ceraphron glaber, sp. nov. 



$ 9 . Length, 1.1 to 1.2™"\ Agrees very closely with G.flm-iscapns, 

 but it is slightly larger, the pedicel brown or fuscous, the sixth and 

 seventh flagellar joints distinctly longer than wide, the abdomen longer, 

 being twice as long as the thorax, while the wings are subhyaline or sub- 

 fusciuis. 



In the S the antenuje are long, filiform, 11-jointed, the scape yellow, 

 the flagellum brown, the joints loosely joined or slightly i^edicellate, 

 rounded at ends, and sparsely pubescent; pedicel small; first funicle 

 joint about thrice as long as thick, the second shorter, the following to 



