116 Annals Entomological Society of America  |Vol. XIV, 
Pronotum pale laterally. Mesonotum uniformly light brown, the 
dorso-median area darker. Pleura light gray pruinose. Halteres pale, 
the knobs and apices of stem dark brown. Legs with the coxe con- 
colorous with pleura; trochanters obscure yellow; femora brownish 
yellow, a narrow dark brown subterminal ring; tibia and tarsi obscure 
brownish yellow, the latter darkened towards the tip. Wings with a 
faint brown tinge; a narrow and very indistinct brown seam along the 
cord; veins dark brown. Venation: Vein 2nd A only moderately 
sinuous, the distal quarter bent towards the /st Anal vein. 
Abdominal tergites dark brown; sternites obscure brownish yellow; 
pleurites of male hypopygium obscure reddish brown. Male hypopygium 
with the pleurites stout, the inner angle produced into a short, stout 
lobe provided with several setigerous tubercles; outer pleural appendage 
a large, stout chitinized arm, densely provided with parallel rows of 
small, chitinized spinules; inner pleural appendage a pale blade with an 
acute point on the cephalic or inner margin at about two-thirds the 
length. Gonapophyses two in number, appearing as flattened chitinized ° 
blades, the proximal edge straight, the outer edge with a comb of about 
a dozen small, acute teeth, the outermost tooth ‘largest, chitinized. 
Habitat: Japan. Holotype, @, Shibuya, August 7, 1920 
(H. Machida). Allotopotype, 9. Paratopotypes, 9, June 30, 
1920; ot, October) 10; 1920... Paratypes.7 ic O..e1jo, Corea, 
September 6, 1920 (K. Doi.) 
Erioptera (Erioptera) bicornifer sp. n. 
General coloration brown; pleura sparsely gray pruinose; wings pale 
gray, veins pale brown; male hypopygium with the inner pleural 
appendage recurved into an elongate point; gonapophyses’ appearing 
as two slender curved horns, blackened at their tips. 
Male—Length about 3 mm.; wing, 4.2 mm. 
Rostrum and palpi dark brown. Antenne dark brown. Head 
brown, discolored in the type. 
Mesonotum brown, without distinct markings; pseudosutural 
foveee elongate, shiny brown. Pleura brown, sparsely gray pruinose. 
Halteres obscure yellow, knobs brown. Legs with the coxe, trochanters 
and femora light brown; tarsi dark brown. Wings pale gray, unmarked; 
stigma lacking; veins pale brown. Venation: 2nd Anal vein very strongly 
bisinuous. 
Abdominal tergites dark brown; sternites slightly paler. Male 
hypopygium with the pleurites moderately stout; two pleural append- 
ages; outer appendage subclavate, the apex blackened ; inner appendage 
a pale flattened blade, the outer angle of which is recurved into an 
elongate acute point. Gonapophyses appearing as two slender curved 
horns, contiguous basally, diverging apically, the tips heavily blackened. 
Habiiai: Japan. Holotype, #, Nakano, May 27, 1920 
(H. Machida). 
