12 PROCEEDINGS OF THE NATIONAL MUSEUM vol.83 



pale yellow, slender to tip ; back of head shining black above, thinly 

 gray pollinose and sparsely pale haired downward. 



Thorax black, lightly dusted with gray pollen ; dorsal black stripes 

 poorly defined behind suture; scutellum black, indistinctly polli- 

 nose, without discals; infrasquamal hairs absent; calypters trans- 

 parent, front lobes colorless, hind ones tawny. 



Abdomen shining black, last three segments pruinose on basal 

 third ; first and second segments bearing a pair of median marginal 

 bristles ; third and fourth each with a marginal row of six or eight ; 

 no discals. 



Legs reddish yellow, tibiae more or less infuscated, tarsi black. 



Wings with a tawny tinge, paler on hind margins ; hind cross vein 

 perpendicular to fourth, which it joins slightly nearer bend than 

 small cross vein ; epaulets red. 



Female, — Front at vertex 0.27 and 0.25 of the head width in two 

 specimens; third antennal segment slender, about five times longer 

 than second ; arista thickened near the base, clothed with short hairs ; 

 cheek about one-third the eye height; front tarsi as noted under 

 generic description. 



Length. — 5 mm. 



Remarks. — Redescribed from 2 males and 2 females: 1, College 

 Station, Tex., December 4, 1932 (H. J. Reinhard) ; 1, A. and M. 

 College, Miss. (F. M. Hull) ; 1, Opelousas, La., without collector's 

 label; and the other, Dead Run, Fairfax County, Va. (R. C. Shan- 

 non). The type locality is Carlinville, 111. The species is easily 

 recognized by the red femora. 



(2) CERATOMYIELLA TOWNSENDI (Williston) 



Atrophopoda tounsendi Williston, Trans. Ent. Soc. Loudon, 189G, p. 356, pi. 11, 



fig. 93. 

 Paradidyma toumsendl Aldkich, Catalogue of North American Diptera, p. 474, 



1905. 

 Oedemapeza townsendi Townsend, Smithsonian Misc. Coll., vol. 51, p. 65, 1908. 



Male. — Front at vertex 0.28 and 0.27 of the head width in two 

 specimens, widening uniformly downward; parafrontals blackish, 

 thinly dusted with white pollen; median stripe reddish brown, 

 slightly narrower than one parafrontal on entire length; frontal 

 bristles about five in number, extending to level with apex of sec- 

 ond antennal segment, uppermost pair of moderate length, reclinate, 

 others directed inward; ocellars small but distinct, proclinate; one 

 proclinate orbital bristle situated at middle of front; verticals one 

 pair (inner) developed; face moderately excavated, receding, gray 

 pollinose, its ridges bare; parafacials narrow, gray pollinose, bear- 

 ing a row of moderate-sized bristles on inner margin, bare outside 



