112 Annals Entomological Society of America  [Vol. XIV, 
yellow, the tips narrowly dark brown; tibize obscure yellow, the tips 
very narrowly dark brown; metatarsi obscure yellow, the tips brown; 
remainder of tarsi brown. Wings with a strong grayish yellow tinge, 
clearer yellow in cells C and Sc; stigma brown; narrow brown clouds at 
origin of Rs; Sc; along cord and outer end of cell 1s¢ Mz and less dis- 
tinctly along the other longitudinal veins; veins dark brown, paler in 
the costal area. Venation: Sc long, Sc. ending about opposite two- 
thirds Rs; Sc. much longer than Sa; Rs angulated and spurred at 
origin; r far from tip of Ri, about one-half the latter; basal deflection of 
Cu, far before the fork of M, the distance about one-half of the deflection. 
Abdomen obscure yellow; in the male, the hypopygium is more 
infuscated. 
Habitat: Japan. Holotype, &, Ikaho, Gumma-Ken, July 
7, 1920 (K. Tanaka). Allotopotype, 9, in copula with the 
type. 
Limnobia tanakai is named in honor of its collector. It is 
more closely related to L. stigma Meigen (Europe) than to any 
other described Palaearctic species. 
Dicranomyia Stephens. 
Dicranomyia paupercula sp. n. 
Antennal flagellum dark brown; head dusted with gray; mesonotum 
pale, covered with a sparse yellow pollen; wings with a faint yellowish 
tinge; Sc short, Sco apparently lacking. 
Male—Length about 4.5 mm.; wing 4.6 mm. 
Rostrum brown, dusted with gray; palpi obscure brownish yellow. 
Antenne with the scapal segments brown; flagellum dark brownish 
black; flagellar segments oval. Head dark, dusted with gray. 
Mesonotum pale with a sparse yellow pollen, without darker mark- 
ings; scutellum and postnotum sparsely pruinose. Pleura with a 
yellowish gray pollen, becoming more yellowish on the mesosternum. 
Halteres pale, the knobs darker. Legs with the coxe and trochanters 
concolorous with the pleura; remainder of the legs yellowish testaceous, 
the tarsi slightly darker. Wings with a faint yellowish tinge, the 
stigma entirely lacking; veins pale. Venation: Sc short, Sc. apparently 
entirely lacking; Rs nearly twice the deflection of Ri;s; cell 1st Me 
closed, about as long as the outer section of Cm; basal deflection of Cw 
at or slightly before the fork of M. 
Abdominal tergites light brown, the sternites brownish yellow. 
Habitat: Japan. Holotype, &@, Koiwai Farm, near Mor- 
ioka, September 2, 1920 (C. Teranishi). 
Dicranomyia paupercula is allied to D. depauperata Alex., 
but is much smaller and with the details of coloration distinct. 
