1915] Banks — Notes and Descriptions of Pipioicitlidce 169 



rounded; thorax dark brown, humeri dark; abdomen velvety black, except last 

 segment and the hypopygium which are smooth and nearly shining, and the base 

 below scutellum ^^■hich is silvery. Legs mostly blackish, knees pale; halteres brown. 

 Wings long and narrow, slightly fumose, stigma distinct, longer than next section, 

 fourth section of fourth vein much longer than third, and this fourth section 

 does not bend up at once, but runs out for some distance before turning up; the 

 posterior cross-vein fully its length from margin. The hypopygium broad, almost 

 rectangular, with large apical cleft. 

 Length: 2 mm. 



From Falls Church, Va., 28 June, 9 August, and Great Falls, 

 Va., 21 September. This species is close to rarius, but different 

 in antennae, black face, not shining abdomen, etc. 



PipunciUus cinctus sp. nov. 



cf. Face silvery; antennae dark, last joint short acuminate, point whitish; 

 humeri dark, but upper edge rather pale; halteres dark; legs mostly dark, knees and 

 basal joints of tarsi pale; abdomen with a silvery band across apex of first four 

 segments, basal part of three of them rather velvety black; hypopygium with apical 

 cleft, much shorter than the preceding segment, not bent under. Wings rather 

 infuscated, stigma dark, twice as long as next section of costa, third section of 

 fourth vein not tAvice as long as second section; fourth section about as long as 

 third, nearly straight from posterior cross- vein to margin, posterior cross-vein oblique. 



Length: 2.5 mm. 



From Falls Church, Va., 1 June, 7 September. From semi- 

 asciatus (cotype) differs in smaller size, the straight fourth sec- 

 tion of fourth vein, longer third section, etc.; nigricornis is said to 

 have the bands interrupted, moreover it is larger. 



Verrallia virginica sp. nov. 



c?. Face and front silvery, eyes not quite touching; vertex black, with ocellar 

 bristles; antennae dark, last joint short, and rounded; thorax black; abdomen black, 

 segments with a narrow silvery apical margin; last segment more gray; legs mostly 

 black, knees and basal part of tarsi pale; halteres pale; wings hyaline, stigma distinct, 

 fourth section of costa not quite as long as stigmal section, anterior cross vein 

 plainly before middle of discal cell, fourth section of fourth vein appendiculate, 

 the posterior cross vein more than its length from border. Abdomen slender, 

 subcylindric, hj'popygium asymmetrical; body and legs hairy, the scutellum with 

 longer bristles. 



Length: 4 mm. 



From Glencarlyn, Va., 9 June. Williston in his "Manual" 

 figures the wing of this species. 



