4 PEOCEEDIlSrGS OP THE NATIONAL MUSEUM vou 72 



Rostrum and palpi brownish black. Antennae relatively short, 

 brownish black throughout, if bent backward, scarcely attaining the 

 wing root. Head dull brownish gray, the vertical tubercle low and 

 relatively inconspicuous, blackish. Mesonotum blackish, with a dull 

 brownish gray pruinosity, the praescutum with three blackish stripes. 

 Pleura gray,, variegated with blackish areas. Halteres brownish 

 black, the base narrowly brightened. Legs with the coxae gray; 

 trochanters brownish gray; remainder of legs black, elongate (hind 

 leg, femur, 13 mm.; tibia, 14 mm.; tarsus, 11.6 mm.). Wings rela- 

 tively long and narrow, strongly blackish, the costal margin darker ; 

 stigma small, oval, darker brown than the ground color; veins dark. 

 Venation: Sc^, ending about opposite three-fourths ^2+35 ^(^2 some 

 distance from its tip; Rs long, strongly angulated at origin; i?2+3+4 

 shorter than basal section of B^ ; B-^+2 about one-half longer than the 

 basal section of B2, or a little less; Eo+s subequal to ^3; r-^m in 

 alignment with the inner end of cell first M^ ; cell M^ present, a little 

 shorter than its petiole; m^eu not far beyond the fork of M, about 

 one-third longer than the distal section of Gu-^. 



Abdomen blackish, sparsely pruinose, the hypopygium concolorous. 



Habitat. — China (Szechuen). Holotype^ male, Suifu, May-^une, 

 1921 (D. C. Graham). Paratopotype, male. 



Type.—K2i\Q, Cat. No. 40319, U.S.N.M. 



By Edwards's key to the Old World Eriocera ^ this fly would run 

 to E. ruhrescens Walker (Borneo), a very different species. 



ERIOCERA CYEELE, new species 



Velvety black; abdominal tergites 1, 2, 4, and 5 with basal glab- 

 rous rings; genital segment of female fulvous; wings black with a 

 long, narrow, white, transverse band before the cord ; R 2 oblique. 



Male. — Length, about 13 mm. ; wing, 11.5 mm. 



FeTnale. — ^Length, 19 mm. ; wing, 16 mm. 



Head and appendages velvety black. 



Thorax entirely velvety black, including the halteres and legs. 

 Wings black, the anal cells somewhat paler; a long, narrow, trans- 

 verse, discal, white area, extending from vein R ^, before the cord, 

 nearly to the posterior margin of the wing in cell Cu. Venation: 

 Basal section oi R ^ oblique to subtransverse in position, less oblique 

 than in E. ohliqua; cell R 3 longer and narrower than in the last- 

 named species. 



Abdomen velvety black, the segments relatively short; tergites 1 

 and 2 with shiny glabrous basal rings of silvery gray; segments 

 4 and 5 similar but the rings opaque ; tergite 3 uniformly black except 

 for a very narrow glabrous basal ring. Male hypopygium entirely 



2 Ann. Mag. Nat. Hist, ser. 9, vol. 8, 1921. 



