134 Annals Entomological Society of America  |Vol. XIV, 
with dark brown; stigma pale yellow; veins dark brown, more yellowish. 
in the costal region. Venation: Cell M, very short petiolate to nar- 
rowly sessile. 
Abdominal tergites dull yellow, trilineate with black, the median line 
broader, very narrowly interrupted at the posterior margins of the 
segments; lateral margins narrower, very indistinctly interrupted at 
about one-third the length of each segment; sternites yellow with a 
capillary black median line that is slightly interrupted. Male hypo-: 
pygium having the ninth tergite with a very deep U-shaped median 
notch. Outer pleural appendage elongate, tapering to the slender 
apex. Ninth sternite deeply incised, each half tumid. Eighth sternite 
with the margin feebly notched, without lobes or conspicuous bristles, 
the basal half of the sternite dark brown. 
Halitat: Japan... Holotype, ‘co’, Komaba;. Tokio;. June 6, 
1920 (H. Machida). Allotopotype, 9, May 29, 1920. Para- 
topotypes, 3 c's, 2 -9’s, May 29 to June 6, 1920: Paratypes, 0, 
Maruyama, Sapporo, July 18, 1916 (S. Kuwayama); 0, Sap- 
poro, August 25, 1916 (S. Kuwayama). 
Nephrotoma minuticornis sp. n. 
Generally similar to N. microcera, differing as follows: Lateral 
regions of the frontal prolongation of the head not. conspicuously 
darkened. Mesonotal praescutum with the stripes black, the median 
stripe split by a capillary reddish line; each scutal lobe with two con- 
fluent black marks; no dark mark at the ends of transverse suture; 
scutellum and postnotum without a dark median vitta. Legs with the 
tips of femora and tibiz narrowly darkened. Wings with cell My 
subsessile to very short-petiolate. Abdomen obscure yellow; tergites 
with three very narrow black lines, the dorsal stripe much narrower 
than in NV. microcera. Tergites seven to nine dark brown, with the 
caudal margins yellow; sternites with the capillary dark line more 
interrupted; eighth sternite dark brown basally. Male hypopygium 
with the notch of the ninth tergite much broader U-shaped. Eighth 
sternite with a deep notch, the margins of which are clothed with long, 
conspicuous, yellow bristles that are contiguous or decussate across the 
median line of the body. 
Habitat: Japan. Holotype, &, Sapporo, (S. Kuwayama). 
