1921] Alexander: Japanese Crane-Flies. II 113 
Dicranomyia machidai sp. n. 
General coloration brownish yellow, the mesonotum marked with 
darker; a broad, longitudinal dark brown stripe on pleura; antenne 
entirely dark; wings brown, stigma oval, dark brown; Sc long, Scy at 
tip of Sc; cell 1s¢ Mz closed; abdominal tergites dark brown, sternites 
indistinctly bicolorous; male hypopygium with a single pleural append- 
age, the terminal beak unprovided with spines. 
Male—Length, about 5 mm.; wing, 6.5 mm. Female—Length, 
6.6 mm.; wing, 5.5—-7.2 mm. 
Rostrum and palpi dark brownish black. Antenne dark brownish 
black throughout; flagellar segments cylindrical, each with a short 
pedicel. Head dark brownish gray. 
Pronotum dark brown, the lateral margins of the scutellum obscure 
yellow. Mesonotal praescutum brownish yellow with a broad, dorso- 
median darker brown stripe that is greatly widened before the suture; 
lateral margins of praescutum narrowly infuscated; scutal lobes dark 
brown, the median area obscure yellow; scutellum and postnotum dark 
brown. Pleura obscure yellow with a very broad and conspicuous 
dark brown longitudinal stripe extending from the cervical sclerites to 
the base of the abdomen, passing immediately beneath the halteres; 
dorsal pleurites darker than the ventral sclerites; mesosternum a little 
darkened. MHalteres dark brown, the base of the stem more yellowish. 
Legs with cox and trochanters yellowish; remainder of the legs brown. 
Wings with a strong brownish tinge; stigma oval, darker brown; very 
indistinct seams along the cord and outer end of cell /s# My; veins 
dark brown. Venation: Sc long, Sc; extending to about opposite one- 
half the length of Rs, Sc at its tip; Rs long, arcuated to feebly angulate 
at origin; 7 at tip of Ri; basal deflection of Ri,; almost straight; cell. 
Ist M2 elongate rectangular, subequal to or a little shorter than the 
ultimate section of M42; basal deflection of Cu, beyond the fork of M; 
Cuz a little shorter than the deflection of Cm; vein 2nd A slightly 
extended. 
* Abdominal tergites dark brown; sternites with the basal half of the 
segments yellowish, the apices dark brown; genital segment in the female 
brighter. Male hypopygium with the pleurites relatively slender, with 
a conspicuous fleshy lobe on the proximal face; a single pleural 
appendage, the tip of which is produced into a curved chitinized beak 
that bears a few delicate bristles near its apex, but is unarmed with 
spines. Gonapophyses flattened, broad-based, suddenly narrowed to 
the slender apex, this latter with a blunt blackened tubercle on the outer 
side some distance before the tip. 
Habitat: Japan. Holotype, #, Nakano, May 28, 1920 
(Hi. Machida). Allotype, ¢, Shibuya, October 12, 1920 
(H. Machida). Paratopotype, 2; paratypes, 50° 9°, Shibuya, 
June 24-September 29, 1920. 
This interesting and very distinct Dicranomyia is named 
in honor of its collector, Dr. Hachiro Machida. 
