208 THE CANADIAN ENTOMOLOGIST 



inward; 9th tergite rather small (see plate 17, figure 8), viewed 

 from above, the caudal margin is narrowed and evenly concave, 

 the whole caudal end being covered densely with small black 

 spicules; suture between the sternum and tergum not clear; 9th 

 sternite (plate 16, figure 7), broad, its caudal margin concave. 

 Pleural appendage, a large flattened lobe (see plate 17, figure 10), 

 on the inside (plate 17, figure 9), with the dorsal outer angle densely 

 provided willi short black spicules, with numerous other spicules 

 down the inner face. 



Female (allotypic) : tergal valves of the ovipositor long and 

 slender, heavily chitinized, not so deep as the high sternal valves. 



Vial 13; Tokyo, Japan; April 25, 1912; ld\ 19. 



Tipula yamata, sp. n. 



Head blackish; thoracic notum yellowish; anterior half of the 

 pleura dark brown; abdomen without distinct longitudinal stripes; 

 wings with a pale brown suffusion, the costal region a little darker. 



Male, length 12 mm.; wing 16.6 mm. 



Female, length 19.2 mm.; wing 16.8 mm. . 



Male. — Palpi dull yellow; frontal prolongation of the head 

 rather short, dull yellow; antennae light yellow, the flagellar seg- 

 ments passing into brown; front, vertex and occiput dark brown 

 passing into yellow on the genae. 



Pronotum brown. Mesonotum light coloured, yellowish, with 

 indistinct, narrow, darker stripes on the praescutum. Pleura, pro- 

 pleura and anterior half of the mesopleura and the metapleura, 

 pale, whitish, Halteres long, slender, pale. Legs: fore and middle 

 coxae dark brown ; trochanters and femora yellow, light brown at 

 tip; tibiae yellowish, brown darker at the tip; tarsi brown. Wings 

 with a pale brown suffusion; costal border darker broH'n, this 

 colour including cells C and Sc; stigma greyish brown. Venation, 

 see plate 16, figure 5. 



Abdominal tergites 1-4 yellowish, 5-9 darkened, brownish; 

 sternites 1-6 yellow, 7 yellow with a brown median line, 8 brown 

 basally, yellow at the tip. Male hypopyguim: 9th tergite from 

 above with a prominent median chitinized protuberence, its caudal 

 margin _ gently concave and with short bristles and chitinized 

 points. Pleural suture incomplete; pleural appendages as follows : 

 outermost (see plate 17, figure 3), a broad, flattened lobe quite 



