CHARLES P. ALEXANDER 21 



scutum sparsely, the postnotum more heavily, jiruinose. Pleura clear gray, 

 the clorso-pleural membranes light 3^ellow. Halteres slender, pale brown, 

 the knobs a little darker. Legs with the coxae brownish yellow, gray pruinose; 

 trochanters yellow; femora dull yellow, the tips broadly blackened; tibiae 

 dark brown, the tips black; tarsi black. Wings with a faint yellowish gray 

 tinge, the costal and subcostal cells and the wing-base more yellowish; stigma 

 bicolorous, the j^roximal half light yellow, the distal half abruptly dark brown; 

 wing-tip strongly infuscated, including cells R^, /I'a, Rb, M}, 2nd Mo and the 

 margin of il/4. Venation: tip of R2 persistent; m-cu short but distinct. 



Abdomen with the basal tergites reddish yellow, the male sex with the 

 fourth and succeeding tergites darker, on the sixth to ninth tergites almost 

 black with the caudal margins narrowly, the lateral margins more broadly 

 l)ale; sternites with the eighth and ninth segments only black. In the female 

 the dark coloration begins on about the third segment; dorsal shield of the 

 ovipositor shiny black. Male hypopygium simple in structure, the ninth 

 tergite flattened, shiny black, the caudal margin with a U-shaped incision, 

 the lateral lobes thus formed rounded; eighth sternite practically unarmed. 

 Ovipositor with the dorsal shield rather short, the sternal valves longer than 

 the tergal valves, their tips in a position of rest almost attaining the tips of 

 the tergal valves in a jiosition of rest. 



Habitat.— Japan. Holotype, cf , Saitama, IMay 30, 1919, (R. 

 Takahashi). Allotopotype, 9, in copula with the typo, pinned 

 on the same pin. 



Tipula saitamae new species 



General coloration yellow; mesonotal praescutum yellowish gray with 

 four darker gray stripes; antennae bicolorous; wings yellow, the costal region 

 l)rigiiter; legs yellow, the tarsi brown. 



Female. — Length, about 20 mm.; wing, 19.3 mm. 



Frontal prolongation of the head dark gray, more brownish laterally and 

 beneath; nasus long and slender; i)alpi dark brownish black. Antennae 

 with the scape yellow, the first flagellar segment dark brown with the apical 

 half yellowish; basal flagellar .segments bicolorous, the terminal segments 

 more uniformly colored; flagellar segments long-cylindrical, slender, the basal 

 swelling distinct, with long verticils. Head yellowish gray, the vertex rather 

 narrow between the eyes. 



Pronotum conspicuous yellow. Mesonotal praescutum dull j^ellowish gray 

 with four slightly darker gray stripes, the intermediate pair narrow, widely 

 separated; lateral margins of the sclerite more yellowish; scutum similar, 

 the lobes marked with darker gray; scutellum and postnotimi with a strong, 

 dull yellow pollen. Pleura dull j^ellow. Halteres slender, pale brown. Legs 

 with the coxae dull yellowish buff; trochanters dull yellow; femora and tibiae 

 brownish yellow, the tips not darkened; metatarsi similar, the tips dark 

 brown; apical tarsal segments dark brown. Wings with a very strong yellow 

 tinge, much brighter in the costal and subc-ostal cells; stigma brown; veins 

 brown, »SV, R and Cii more yellowish; obliterative streak c>xtending into the 



TR.\N.S. AM. ENT. SOC, XLVI. 



