1919] Alexander: Japanese Crane-Flies 339 



more yellowish; stigma very narrow and indistinct, brown, confined to 

 vein R\; veins dark brown, Sc yellow. Venation: Sc long, ending 

 opposite r; r on Ro about its own length beyond the fork of Ri+z; cell 

 1st M2 open by the atrophy of m; basal deflection of Cui beyond the 

 fork of M; anal veins divergent. 



Abdominal tergites gray, the sixth and seventh segments with a 

 transverse median brown blotch ; the basal segments on either side with 

 blackish impressed rectangular areas; pleural appendages of the hypo- 

 pygium yellowish with the tips blackened. Male hypopygium with 

 the ninth tergite deeply notched medially; pleurites rather slender, 

 at the apex with two pleural appendages; dorsal appendage long, 

 slender, the tips blackened; ventral pleural appendage short, deeply 

 bifid, the cephalic or proximal arm more slender, at its tip with a single 

 long bristle; the caudal or lateral arm broader, its flattened apex densely 

 set with roughened tubercles. Gonapophyses very long, almost straight, 

 tapering to the acute tips. 



Habitat: Japan. 



Holotype, cf, Meguro, Tokio, April 4, 1919 (R. Takahashi). 



Paratopotypes, 4 cT's, April 4-9, 1919. 



Limnophila Macquart. 



Limnophila (Lasiomastix) pilifer sp. n. 



Antennae short in both sexes; wings yellowish at the base, the apical 

 cells strongly pubescent. 



Male — Length 6-7 mm.; wing, 8.6-8.7 mm. 



Female — Length, 8.5-9.5 mm.; wing, 8.8 mm. 



Rostrum and palpi dark brownish black. Antennae short in both 

 sexes; first scapal segment reddish brown, sparsely gray pruinose, 

 second segment reddish; basal segments of the flagellum brown, paler 

 basally, apical flagellar segments more elongate, dark browm; flagellar 

 segments clothed with a pale pubescence. Head gray. 



Pronotum large, dark colored, light gray pruinose. Mesonotum 

 shiny jet black with an easily removed, but dense pollen, bro^\^lish 

 yellow on the median area of the praescutum, clearer gray on the 

 remainder of the thorax, including the pleura. Halteres light yellow. 

 Legs with the fore coxae black, grayish pruinose; middle coxae drdl 

 brownish yellow, da-rk at the extreme base; hind coxae largely brownish 

 yellow; trochant-- [till yellow; femora yellow, the tips broadly dark 

 brown; tibiae yellowiA brown, the tips darkened; tarsi dark browoiish 

 black, the base of ^he metatarsi brown. Wings grayish, strongl}^ 

 yellow at thp t^" •. color including most of the costal and subcostal 



cells; stigma ovai, grayish brown, almost evenly split by r; narrow gray 

 seams along the cord, outer end of cell 1st M2, origin of Rs, and the forks 

 of R2+3 and M1+2; veins brown, those in the costal and ba.sal regions 

 yellowish; apical cells of the wings strongly pubescent, this extending 

 from cell 2nd Ri to cell Ctii. Venation: Sc2 slightly removed from the 



