132 Annals Entomological Society of America  |Vol. XIV, 
Pleura black; a small whitish yellow spot immediately cephalad of the 
halteres; a second spot of the same color on the dorso-pleural mem- 
brane. Halteres with the stem pale brown, the knobs light yellow. 
Legs with the coxe black; fore trochanters brown; middle and hind 
trochanters black; femora yellow, the tips broadly blackened, on the 
fore femora including the apical two-thirds; on the mid-femora, about 
the apical fifth; on the hind femora only the apical eighth, or there- 
abouts; tibiae obscure brownish yellow, the tips blackened; tarsi black. 
Wings hyaline, the base and subcostal cell more yellowish; stigma dark 
brown, conspicuous, continued along the cord as a conspicuous seam 
to cell 1st Mo; extreme tip of the wing darkened; veins black. Venation: 
Rs short, about one-half longer than the deflection of Rais; cell My, 
narrowly sessile. 
Abdomen shiny black. In the female, the basal half of the abdomi- 
nal segments are shiny black, the apical half deep velvety-black. Outer 
pleural appendage of the male hypopygium elongate, tapering to the 
narrow point. Ovipositor reddish horn-color. 
Habitat: Japan. Holotype, @#, Ikaho, Gumma-Ken, July 7, 
1920 (K. Tanaka). Allotopotype, 9. Paratype, 9, Chujenji, 
Tochigi-Ken, July 9, 1920 (K. Tanaka); #, Nikko, Tochigi- 
Ken, July 9, 1920 (K. Tanaka). 
Nephrotoma neopratensis sp. n. 
General coloration black; antennal scape orange-yellow, flagellum 
dark brown; anterior part of vertex orange-yellow; a dark brown spot 
adjoining the inner margin of eye; general coloration of thorax dull 
black; femoral bases yellow; wings grayish yellow, the cord and wing-tip 
infuscated; cell M, broadly sessile; abdominal tergites brown, the 
lateral margins of the segments obscure yellow. 
Female—Length about 17 mm.; wing, 15.4 mm. 
Frontal prolongation of the head obscure brownish yellow, black 
above. Antennal scape orange-yellow; flagellum dark brown. Head 
orange-yellow, the occiput and posterior part of the vertex dark brown, 
this color extending cephalad onto the vertical tubercle; a conspicuous 
brown blotch on either side of the vertical tubercle adjoining the inner 
margin of the eye; a narrow pale ring surrounding the eyes. 
Pronotum dark brownish black, the scutellum yellow. Mesonotal 
praescutum dull black, the interspaces between the praescutal stripes 
eray pruinose; extreme humeral regions narrowly and obscurely yellow; 
scutum and central lobe of scutellum dull black; lateral sclerites of 
scutellum obscure yellow; postnotum black. Surface of mesonotum 
in fresh specimens probably pruinose. Pleura almost entirely dark, 
very sparsely variegated with obscure yellow. Halteres yellow, the 
knobs a little darker. Legs with the coxze concolorous with the ground- 
color of the pleura; trochanters obscure yellow; femora yellow basally, 
the tips broadly blackened, broadest on the fore legs where they include 
about the distal two-thirds, narrowest on the hind legs where about 
