Sept., igoi.] DOANE : DESCRIPTION OF NeW TipULID^. 121 



four brown stripes, the median pair separated by a fusiform light yellow line ; 

 scutellum reddish-brown ; metanotum and pleura brownish-gray ; halteres yellowish, 

 knobs brown ; legs brownish-yellow, tips of femora, tibia and tarsi brown ; abdo- 

 men yellowish, darker posteriorly, with three brown stripes the lateral ones faintly in- 

 dicated anteriorly ; eighth sternite produced and narrowed posteriorly with a shallow 

 rounded incision from which arises a tuft of very thick, bushy, long reddish hair ; 

 hypopygium large, reddish-brown ; posterior margin of upper lamella with a slight 

 depression, with two very small median black points ; lower lamella with a shallow 

 rounded incision in which lies a pair of small reddish-brown appendages which are 

 furnished with short yellow hair at the tip ; outer lateral appendages produced into 

 two long flattened projections the distal thirds of which are broadened and twisted in 

 such a way that the concave surfaces are toward each other ; wings brownish, with 

 darker and lighter spots ; an oblong spot in the first basal cell midway between the 

 base of this cell and the origin of the praefurca, the origin of the prrefurca, the stigma, 

 a less distinct spot over the small cross veins and at the tip of the posterior branch of 

 the second vein darker brown ; an irregular whitish band running from in front of 

 the stigma across the discal into the base of the fourth and fifth posterior cells ; a 

 spot beyond the stigma, one in the middle of the first basal cell, another in the pos- 

 terior margin of the axillary cell, and the basal portion of the wing whitish ; nearly 

 all the veins border with whitish. Length, male 17 mm., wing 20 mm. 



Habitat : Collins, Idaho, ten males. Piper. Type no. 189, Wash. 

 Agric. Coll. & S. of S. 



Tipula contaminata, sp. nov. 



Tawny ; head light brown, darker above with a median fuscous line ; rostrum 

 and palpi light brownish ; first four segments of antennje of female yellowish, the 

 others yellowish-brown ; mesonotum tawny, each of the four brown stripes margined 

 with darker brown ; collare tawny, with three brown spots ; scutellum and metano- 

 tum brownish with a narrow median brown stripe ; dorsopleural membrane yellowish- 

 white ; pleura grayish-brown ; mesopleura and sternopleura darker brown ; halteres 

 wholly light yellow ; legs brownish-yellow, tips of femora, tibia and tarsi brown ; 

 abdomen yellowish-brown with three brown stripes, the lateral ones indistinct ; pos- 

 terior margin of each segment light yellow ; ninth tergite reddish-brown with a yellow 

 border, posterior margin with a broad deep median incision and lateral narrow sharp 

 incisions ; posterior margin of ninth sternite with a deep incision ; ovipositor very 

 short reddish-brown, upper valves forcep-like, lower valves shorter, leaf-like, some- 

 what membranous ; wings broad with a light brownish tinge, with several indistinct 

 whitish spots in the middle apical portion of the wing ; all of the veins in the pos- 

 terior p6rtion of the wing with a more or less distinct whitish border ; the extreme 

 tips of the veins with a dark spot, leaving a whitish spot in the margin of each of the 

 posterior cells and less distinct spots in the anal, axillary and spurious cells ; stigma 

 and a small spot on the origin of the prfefurca brown ; discal cell less than twice as 

 long as wide. Length, fema'e 20 mm., wing 23 mm. 



Habitat : Colo., two females. Morrison. Type no. 190, Wash. 

 Agric. Coll. & S. of S. 



