Sept.,i9oi.] DOANE : DESCRIPTIONS OF NeW TiPULID^. 101 



tinge is less intense in the region of the stigma and in the base of the discal cell some- 

 times making these parts appear whitish or hyaline. Length, male II mm., female 15 

 mm., wing 12 mm. 



Habitat : Mount Rainier, one male, two females, Piper. Type, 

 152. Wash. Agric. Coll. & S. of S. 



Tipula bituberculata, sp. nov. 



Brown ; head cinereous with a median brown line above, two small tumid proc- 

 esses just above the base of the antennae, much larger in the female ; rostrum short, 

 stout, yellow, cinereous above ; palpi brown ; antenn?e reaching to base of wings, 

 wholly brown, segments of flagellum cylindrical, the first not longer than the succeed- 

 ing four or five ; mesonotum cinereous, with five brown stripes, the lateral ones some- 

 what indistinct, the median one fusiform ; scutellum light yellowish with a median 

 brown line ; metanotum dark gray ; dorsopleural membrane yello.vish ; collare grayish ; 

 pleura cinereous with an indistinct yellowish broken line running from the base of the 

 anterior coxje to the base of the halteres ; pterostigma yellow spotted ; halteres yellow, 

 knobs brownish ; legs yellowish brown ; tarsi and tips of femora and tibia darker ; 

 abdomen yellowish above with three dark brown stripes ; slate colored beneath ; pos- 

 terior margin of each segment yellow ; hypopygium small ; upper lamella with a U- 

 shaped incision ; lower lamella with a narrow deep incision, the ventral aspect lighter 

 than the lateral aspect ; ovipositor reddish-brown ; upper valves arcuated, acute ; 

 wings with a grayish tinge somewhat darker along the veins and in the middle of the 

 cells, a little lighter in the region of the stigma which is brown ; prsefurca short ; dis- 

 cal cell more than twice as long as wide. Length, male 10 mm., female 14 mm., 

 wing 1 1 mm. 



Habitat : Calif, two males, one female. Type No. 153. Wash. 

 Agric. Coll. & S. of S. 



Tipula helvocincta, sp. nov. 



Black ; head light gray with a median dark brown stripe above ; rostrum dark 

 gray ; palpi brown ; antennae of male reaching nearly to base of abdomen, first two 

 segments and the base of the third reddish yellow, others black, cylindrical ; meso- 

 notum gray with four brown stripes ; scutellum, metanotum, pleura and coxae gray ; 

 dorsopleural membrane light yellowish ; collare dark grayish ; halteres yellowish, 

 basal half of knobs brown, distal half yellow ; legs brown, base of femora reddish- 

 brown, tarsi and tips of femora and tibia black ; abdomen black, posterior margin of 

 each segment yellow ; hypopygium small, black, posterior margin of the upper 

 lamella depressed with two median longitudinal shining black ridges; lower lamella 

 with a deep broad incision the margins of which are narrowly bordered with yellow ; 

 wings grayish-brown ; stigma brown ; the rhomboidal, discal and fourth posterior 

 cells almost wholly white ; the basal half of the marginal cells, a spot in the first 

 posterior cell, a spot before the stigma, a spot beyond the middle of the second basal 

 cell, two spots near the middle of the anal cell and a spot in the anterior margin of 

 the axillary cell whitish ; discal cell four times as long as wide. Length, male 14 

 mm., wing 14 mm. 



