422 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.43. 



also. There is a good series before me from very near the District of 

 Columbia (Plummcrs Island, Maryland, Jan. 7, 1907, W. L. McAtee) 

 and one female from Ithaca, New York (Johannsen), There are also 

 two females from the former locality taken by A. K. Fisher, January 1, 

 1907, and March 29, 1908. 



TRUPHEONEURA SUBFUSCA, new species. 



Male. — Very similar to the above species, but not so distinctly 

 shining, the frons is entirely dull, distinctly produced anteriorly in 

 center, the outer bristle in first row is ver}' far — one-fifth of breadth 

 of frons — from eye-margin, and very near to anterior margin of frons, 

 both first and second rows very slightly convex, antennae velvety black 

 brown, large, rounded, arista at least three times as long as frons, 

 distinctly pubescent, palpi large, but not blunt at tip as in microcep- 

 Tiala, and with normal bristling, thorax dull black, pleurae brownish, 

 scutellum with two bristles, abdomen long and narrow, cylindrical, 

 the second segment elongated, third, fourth, and fifth, subequal, 

 sixth elongated, second segment with numerous lateral hairs the 

 others with scattered hairs especially on sides, sixth with numerous 

 rather strong hairs especially on posterior lateral angles, hypopygium 

 large and strongly haired, the lamellae asymmetrical, the left side 

 being the longest and broadest, anal protuberance small and incon- 

 spicuous, legs paler than in microcepJiala, the bristles weak, that on 

 the fore tibiae near the middle, the pair on mid tibiae at basal third 

 unequal in size, the one on the postero-dorsal surface very small, 

 hind tibial bristle at near middle, weak; wings grayish, costa to 

 distinctly beyond middle, the costa beyond first vein is much less 

 swollen than in the above species and the third costal division is 

 distinctly shorter than the second ; hal teres yellow. 



Length, 3 mm. 



One male, labeled PTiora microcephala Loew?; from Cambridge, 

 Massachusetts, April 4, 1870. 



Type.— C&t. No. 14825, U.S.N.M. 



Genus CH^^TONEUROPHORA, new name. 



I erected this genus under the name Chsetoneura ^ in 1909, but 

 afterwards discovered that it was preoccupied and now propose to 

 alter it as above. 



TABLE OF SPECIES. , 



1. Halteres black 2. 



Halteres pale 3. 



2. Abdomen (at least in female) with from middle of third segment to apex red. 



variabilis, p. 423. 

 Abdomen in both sexes black curvinervis, p. 423. 



« Jour. Nat. Hist. Soc. Glasgow, voL 1, 1909, p. 26. 



