1921] Alexander: Japanese Crane-Flies. II 115 
seams along the cord and outer end of cell /st M2; Sc long; cell 1st Me 
long and narrow. 
Female—Length (excluding rostrum), 6.6 mm.; wing, 7.8 mm.; 
rostrum alone, 3-3.5 mm. 
Rostrum and palpi black. Antenne black; flagellar segments 
cylindrical. Anterior part of the vertex light gray pruinose; remainder 
of the head dark brown. 
Pronotum brown medially, gray pruinose. Mesonotal praescutum 
brown with a conspicuous light gray bloom, the interspaces darker; 
humeral angles light testaceous yellow to flesh color, this color continued 
around the anterior margin of the praescutum as a narrow seam; lateral 
margins of the praescutum caudad of the pseudosutural fovee dark 
brown; scuttm light gray, the proximal edge of the lobes with a longi- 
tudinal dark line; scutellum brownish testaceous, gray pruinose; post- 
notum dark, gray pruinose. Pleura testaceous yellow anteriorly, 
sparsely pruinose, especially on the posterior pleurites. Halteres 
yellow, the knobs and outer end of the stem dark brown. Legs with the 
coxz and trochanters yellowish testaceous; remainder of the legs dark 
brown, bases of the femora paler. Wings with a gray tinge; stigma 
oval, dark brown; very narrow and indistinct brown seams at the 
supernumerary crossvein in cell Sc; origin of Rs; Sc; along the cord and 
outer end of cell /st Mz; a narrow seam along the wing-apex in cells 
2nd R, and R3; veins dark brown. Venation: Sc long, Sc; ending about 
opposite two-thirds Rs, Sc. at the tip of Sc. deflection of Roi; shorter 
than the basal deflection of Cu; cell 1st M2 long and narrow, rectangular, 
slightly widened outwardly, about as long as vein M42 beyond it; basal 
deflection of Cu; before or beyond the fork of M. 
Abdominal tergites dark brown, sternites paler brownish testaceous. 
Ovipositor reddish horn-color. 
Habitat: Japan. Holotype, ¢, Gifu, October 10, 1920 
(K. Takeuchi). Paratopotype, °. 
Erioptera Meigen. 
Erioptera (Erioptera) dictenidia sp. n. 
General coloration brown, the thoracic pleura gray; femora brownish 
yellow with a narrow brown subterminal ring; wings faintly brownish; a 
narrow and very indistinct brown seam along the cord; male hypopygium 
with the outer pleural appendage stout, chitinized, the apex densely 
set with parallel rows of small chitinized spinules; inner pleural append- 
age pale, an acute point on cephalic margin at about two-thirds the 
length; gonapophyses two, appearing as flattened blades, the outer 
margin with a comb of about a dozen teeth. 
Male—Length about 3.8 mm.; wing, 4.5 mm. Female—Length 
about 4.5 mm.; wing, 5.7 mm. 
Rostrum obscure brownish yellow; palpi dark brown. Antenne 
dark brown. Head dark gray, paler adjoining the eyes. 
