Sept., I90I.] Doane: Descriptions of New Tipulid^e. 123 



Tipula aibocaudata, sp. nov. 



Brown ; head cinereous with a median brown stripe above ; rostrum brownish- 

 yellow ; palpi brown ; antennae of male reaching to base of abdomen, dark brown, 

 first two segments and the base of the third yellow ; joints of flagellum cylindrical 

 and very slightly incrassate at base ; mesonotum light brown or cinereous, with seven 

 brown stripes, the median one very faintly indicated, the outer pairs united anteriorly ; 

 collare yellowish with three brown stripes ; scutellum yellowish ; metanotum grayish- 

 brown ; dorsopleural membrane light yellowish ; mesopleura and sternopleura and an- 

 terior coxffi slate-colored, rest of pleura light yellowish ; halteres brown, base yellowish, 

 knobs blackish ; legs brown ; femora yellowish toward the base ; tarsi and tips of femora 

 and tibia darker ; abdomen reddish-brown, blackish posteriorly with two broad blackish 

 lateral lines which are broader posteriorly ; hypopygium black, elongate ; upper and 

 lower lamella closely fused together, the former with two yellow, black- tipped, short, 

 slender appendages ; lower lamella with a deep broad incision and a median yellow 

 line, lateral appendages yellow ; wings almost hyaline with a very slight brownish 

 tinge ; subcostal cell and the anterior margin of the anal cell very slightly tinged with 

 yellow ; stigma brown ; the posterior cross vein with a very narrow brown border ; 

 the indistinct broken whitish band beginning in front of the stigma running across the 

 base of the discal into the base of the fourth posterior cell ; discal cell more than 

 twice as long as wide. Length, male 17 mm., wing 17 mm. 



Habitat : Pullman, Wash., two males. (Type) Wavvawi, Wash., 

 one male. Doane. Colo., two males. Morrison. Type no. 193, 

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



Tipula cognata, sp. nov. 



Brown ; head brownish cinereous with a median brown line above ; rostrum and 

 palpi brown, the latter darker toward the tip ; antennae of female reaching more than 

 half way to the base of the wings, first and second joints yellow, third and fourth 

 yellowish-brown, others wholly dark brown ; mesonotum brownish-yellow with four 

 dark brown stripes ; the median pair is separated by a broad grayish stripe which is 

 divided by a light brownish line ; collare cinereous with three faintly indicated darker 

 spots ; scutellum and metanotum cinereous, the former yellowish posteriorly, each with 

 a narrow median brown line ; dorsopleura membrane yellow ; pleura slate-colored ; 

 metapleura and hypopleura with a yellowish tinge ; halteres light yellowish, knobs 

 brown ; legs brown, femora yellowish toward the base, tarsi and the tips of the 

 femora and tibia darker brown ; abdomen brownish- yellow with two broad, dark 

 brown stripes above and sometimes three or four faintly indicated broken brown stripes 

 below ; posterior and lateral margin of each segment grayish ; eighth and ninth seg- 

 ments wholly very dark brown ; the posterior lateral corner of the ninth tergite drawn 

 out into a short blunt process ; base of ovipositor blackish ; basal half of upper valves 

 rather broad apical half, slender tip rounded ; lower valves broader, blunt, reaching 

 way to tip of upper valves ; wings almost hyaline with a faint brownish or grayish 

 tinge ; costal, subcostal and anterior margin of anal cells and the base of the wing 

 with a yellowish tinge ; stigma brown ; the great and small cross veins and the fifth 

 longitudinal vein faintly and very narrowly brownish bordered ; discal cell more than 



