neio and little-known Tipulidse. 109 



so close as iu the ease of T. guadrifulva, since the wing- 

 markings sliow obvious differences. The two rows of teeth 

 on each anal valve of the ovipositor have not been described 

 iu any other species, but may have been overlooked. 



Tipula terebrata. sp. n. (PL X. fig. 16.) 



Head brownish oclireous, sides of rostrum rather darker, 

 the long nasns almost blackish. A black stripe extending 

 from betv\een antennae almost to nape. Scape of antennae 

 oclireous, flagcllum black. First flagellar joint shorter than 

 first scapal, but nearly as stout ; second and third flagellar 

 joints slightly shorter than the first and fourth; remaining 

 joints scarcely perceptibly enlarged at the base ; verticils 

 about as long as the joints. Thorax rather dark greyish 

 buff, with short and inconspicuous pubescence. Prsescutuui 

 with four olive-green stripes, which have conspicuously 

 darker margins ; the inner margins of the two middle stripes 

 fused in front and almost black. Scutellum and postnotum 

 with a sharply defined blackish median line. Abdomen 

 ochreous-brown with a broad median and narrow lateral 

 black longitudinal stripes ; extreme side-margins of tergites 

 whitish. Ninth tergite very long, longer even than the anal 

 valves ; these latter thick at the base, not flattened, almost 

 straight, without any trace of serration on the outer keels ; 

 genital valves well-developed, but still not quite reaching 

 the base of the anal valves. Legs moderately stout, blackish, 

 femora brown except for the rather broad black apical rings. 

 Wings as in PI. X. fig. 16 ; note the conspicuous pale area 

 round Rs. Halteres ochreons, base of knob blackish. 



Length of body 22 mm. ; wing 21 mm. 



Formosa : Musha, 10. v. 1917 (T. S/tiraki), 1 ? . 



Though similar in general appearance to the two above 

 described, this species is really very distinct from either. 

 It seems to be related to the Japanese T. terebrina, Alex., 

 which is described as having a similar ovipositor. 



Tipula arisanensis, sp. n. (PI. X. fig. 17.) 



Head ochreous with a median longitudinal black line. 

 Palpi blackish. Antennse with the scape ochreous ; first 

 flagellar joint much shorter than first scapal, ochreous, 

 darkened in the middle; second, third, and fourth flagellar 

 joints each shorter than the first or fifth, brownish ochreous, 

 blackened at the base ; remaining joints blackish brown, 



