134 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



liead, convex above, witli a single median impressed line; niesopleuia 

 smooth, polished; sciitellum "ully twice as long as wide, extending to 

 the apex of the metathorax, its tip slightly projecting. Wings aborted. 

 Abdomen small, not as long as the thorax, subpetiolated, highly pol- 

 ished and subcompressed. 



Habitat. — Washington, 1). C. 



Tyi^e $ in Coll. Ashmead. 



Described from a single specimen, given me by Mr. E. A. Schwarz. 

 Aphanogtnus bicolor, sp. iiov. 



9. Length, 0.8""". Apterous; head and thorax black, microscopic- 

 ally punctulate; autennte, except the large terminal joint, the legs and 

 the abdomen, bright yellow, the latter with an obscure spot above at 

 tip. The head is large, quadrate; eyes very large, rounded, occupying 

 the whole side of the head, subpubescent. An tenure 10-jointed, clavate ; 

 the scape long, obclavate; the flagellum less than twice as long as 

 the scape; pedicel oval, much stouter and larger than the first flagellar 

 joint; flagellar joints, except the last, submoniliform, increasing in size 

 from the first, which is very small; the last joint is very large, stout, 

 oblong, and as long as the four preceding joints united. Mesonotum 

 with a delicate central grooved line; scutellum extending to the tip of 

 the very short metathorax, convex, longer than wide; angles of meta- 

 thorax subtubercular, the pleura slightly wrinkled and bounded by a 

 carina above. Abdomen subsessile, as long as the head and thorax to- 

 gether, bright brownish-yellow and highly polished. 



Habitat. — Ottawa, Canada. 



Type in Coll. Ashmead. 



Taken by Mr. W. H. Harrington. 



Aphanognius floridanus, sp. nov. 



9. Length, 0.75™'". Polished black ; anteume and legs brown, the 

 scape, trochanters and tarsi pale or yellowish. Thorax compressed, 

 without a median impressed line. Antennte 10-jointed, clavate, brown, 

 l^ubescent, the flagellar joints, except the last, transverse, the last 

 ovate; 5 antennae 11-jointed, slightly thickened at tips, the first flagel- 

 lar joint longer than the scape, the following shorter. Wings hyaline, 

 fringed, Avith a fusccms band across the disk before the marginal vein; 

 stigmal vein oblique, not curved, one and a half times as long as the 

 marginal. Legs brown, the tarsi white. Abdomen polished black; not 

 longer than the thorax. 



Habitat. — Jacksonville, Fla. 



Type S 9 in ('oil. Ashmead. 



Described from two si)e('imens, taken on the edge of a swamp by 

 sweeping. 



