126 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



but slightly developed, extending to tlie base of the abdomen ; abdo- 

 men highly polished black, more than twice the length of the thorax; 

 flagelluni subclavate, joints li t(> 4 transverse, the oth larger, trans- 

 verse, the 6th and 7th quadrate, the last fusiform, thrice as long as 

 the 7th. 



Habitat. — Ottawa, Canada. 



Type in Coll. Ashmead. 



Described from a single specimen received from Mr. W. Hague Har- 

 rington. 



Ceraphron melaiiocephaliis Ashui. 



Copidosoma melnnoccphdlum Aslim. Trans. Am. Ent. Soc., Vol. xiii, p. 131. 



9 . Length, 1.2""". Head l)lack; thorax abdomen and legs, brown- 

 ish-yellow; flagellum black, paler or brownish at base. Head and 

 thorax closely minutely punctate, the occiput with a delicate median 

 carina from the ocelli; flagellum clavate, the 3 terminal joints being- 

 very large and thick and as long as all the others (excepting the scape) 

 united, the fuuicle joints 2 to 5 transverse; first club joint quadrate, 

 the second, a little longer than wide, the last not quite thrice as long 

 as the second. Wings subhyaline. 



Habitat. — Jacksonville, Fla, 



Type in Coll. Ashmead. 



Described from one specimen reared May, 1885, from the Cynipid gall 

 Belonocnema Treatw Mayr. 



Ceraphron pallidiventris sj). uov. 



9. Length, 1.0"'"'. Head and thorax black, shining, faintly sha- 

 greened; abdomen obscure rufous or piceous above, at l)ase and 

 beneath yellow; scape, pedicel beneath and at tip, and legs, pallid- 

 yellow; tegultTB yellowish ; wings hyaline, the stigmal vein yellowish, 

 long and curved, forming almost a closed marginal cell; marginal vein 

 brownish. 



Antennje 10-jointed, tliB flagellum subclavate, brown-black; scape 

 long, half the length of the flagellum; pedicel a little longer 

 than the first flagellar joint; second flagellar joint scarcely two-thirds 

 the length of the first; the third, fourth and fifth, transverse, but in- 

 creasing in length and width, the sixth, quadrate, the seventh, oblong- 

 quadrate, the last fusiform, as long as the two preceding joints united. 

 Angles of metathorax tubercular, the metapleura finely rugose, 

 bounded by a carina above. Abdomen a little longer than the hea<l 

 and thorax together, pointed at tip and subcompressed at apex be- 

 neath. 



Habitat. — Fort Pendleton, Md. 



Type in Coll. Ashmead. 



Described from a single specimen taken by Mr. E. A. Schwjuz. 



