130 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



lonjr as the ]m':uI and tlionix tofjetlior, the .second segnu'iit witli atrije 

 at base, a littl»^ hm^a'i- than all the following sej^uients united. 



Habitat.— Ottawa, Canada. 



Types in ('oil. Ashniead. 



Two specimens re«'eiv«'«l IVoni Mr. W. II. lliirringtou. 



Ceraphron pedalis, sp. nov. 



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

 tures; legs entirely brownish-yellow; anteunai bla<'k; wings subhya- 

 line, or with a yellowish tinge. Diifers principally from C melanocerus 

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

 jdeura bounded above by a high carina, the postscutellum distinctly 

 toothed, the i)()sterior angles of nu^tathorax piodu(;ed into a tooth, the 

 paler, more uniformly colored legs, while the 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, 8p. nov. 



9 . Length, 0.9 to 1""". Polished black, Impunctured ; scape, pedicel, 

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

 cous; face impressed with a grooved line extending from thefront ocellus; 

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

 longer than wide; postscutellum with a small tooth; posterior angles 

 of metathorax acute ; wings hyaline; tegulic yellowish. 



The antenuic 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 

 and 7 united. 



Habitat. — Arlington, Va., and District of Columbia. 



Types in Coll. Ashmead. 



Three specimens. 



Ceraphron glaber, sp. nov. 



S 9 . Length, 1.1 to 1.2™"". Agrees very closely with C. jiaviacapits, 

 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- 

 fuscous. 



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

 the flagellum brown, the joints loosely joined or slightly pedicellate, 

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

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



