184 inse;cutor insciti^ menstruus 



tergite extensive, the caudal margin with a broad U-shaped 

 median notch, the lateral lobes broadly and obtusely rounded ; 

 at base of the U-shaped notch beneath are two triangular 

 chitinized lobes that lie parallel and close together, the tips 

 subacute. Pleural suture indicated only beneath; pleural ap- 

 pendages large, blackish. Ninth sternite profoundly incised 

 medially, the caudal margin of each half provided with abun- 

 dant long, yellowish, decussate setae. Eighth sternite unarmed. 



Habitat. — Japan. 



Holotype, male, Teshio, July IS, 1916 (T. Isshiki). 



Tipula shogun, new species. 



Female. — Length, about 18 mm. ; wing, 20.8 mm. 



Frontal prolongation of head relatively short, dark brown, 

 nasus distinct ; dorsum of prolongation pruinose. Antennae 

 with scapal segments buffy ; flagellum dark brown. Head light 

 gray, more buffy surrounding the antennal bases. 



Mesonotum light gray, the praescutum with four narrow 

 brown stripes ; scutal lobes with two dark gray spots. Pleura 

 light gray, the dorso-pleural membrane obscure yellow. Hal- 

 teres yellow. Legs with the coxae gray ; trochanters yellow ; 

 remainder of legs dark brown, the femoral bases yellowish, 

 narrowest on the fore legs. Wings yellowish subhyaline, the 

 costal and subcostal cells yellow ; stigma dark brown ; a faint 

 and sparse gray clouding in the ends of cells R2, Rs, R5 and in 

 the anal cells ; cord narrowly seamed with brownish gray ; 

 veins brown, more yellowish in the costal and subcostal cells. 

 Venation : Rs long, straight ; cell Ro comparatively large ; cell 

 1st M2 small ; first section of M3-I-4 shorter than r-m. 



Abdominal tergites obscure yellow, with a conspicuous dark 

 brown median stripe, beginning on the first segment, on the 

 terminal segments broadening out and suffusing the entire 

 sclerites ; on tergites two to four there are indistinct brown 

 sublateral blotches ; terminal tergites more or less pruinose ; 

 sternites buffy,* last segment gray. Ovipositor small, valves 

 fleshy. Tergite terminating in two slightly divergent pale 

 flaps ; sternal valves very short. 



