1912} New Western Tipula 59 
Tipula spatha n. sp. 
Yellow; head yellow slightly darker above; palpi yellow; first two 
‘segments of antennze yellow others wholly brown; mesonotum yellowish 
brown with three brown stripes, the median one divided by a lighter line; 
pleura yellow, pruinose; scutellum and metanotum yellow; halteres 
brown, base yellow, tips of knobs yellowish; legs yellow, tarsi and tips 
-of femora and tibia darker; abdomen yellow, darker posteriorly, posterior 
margin of each segment lighter; eighth sternite very large, brownish 
yellow; posterior margin with a median rectangular projection, distal 
side of which is fringed with short yellow hairs; laterad of this is a pair 
of club-shaped appendages the tips of which are provided with long, 
stiff, reddish hairs; ninth tergite divided by a deep, V-shaped incision 
and a deep furrow which reaches to the anterior margin where it widens 
considerably, the posterior margin ending 1n two sharp downward- 
projecting points; posterior margin of ninth sternite with a very deep, 
‘broad, U-shaped incision from the anterior margin of which arises a 
long, rather broad and tumid, light yellowish process; pleural suture 
complete, setting off a rather large rectangular sclerite; upper appendage 
broad, flat, rounded, base narrower, margins with long yellow hairs; 
second appendages broad, thin, margins with fine black hairs; below 
the pleural suture is a pair of tumid appendages which bear long yellow 
hairs; between these, projecting from the genital chamber are three 
long, strongly chitinized organs, the upper pair are long, narrow, sharp- 
pointed, the lower one is wider and has a broad, downward-projecting 
tip; wings hyaline, subcostal cell yellowish, a whitish band beginning 
in front of the stigma and extending across the discal cell into the base 
of the fourth posterior cell; stigma brown; fifth vein narrowly bordered 
with brown. Length 23 mm., wing 22 mm. 
Habitat: Arizona. 1 male. 
Tipula occidentalis n. sp. 
Brownish yellow; head yellowish, cinereous above with a median 
darker line; rostrum yellowish at the base, brownish toward the tip; 
first three segments of antennze yellow, others brown, darker at the 
base, distal end of segments 4, 5, 6, 7, more or less yellowish; dorsum of 
thorax light yellowish, with three brown stripes, the median one divided 
by a light line; scutellum and metanotum very light brown with a median 
brown stripe, sides of metanotum brown; pleura very light yellow, with 
indistinct grayish spots; halteres yellow, knobs brown, tips lighter; 
legs yellow, tips of the femora, tibia and tarsi darker; abdomen brownish 
yellow, darker posteriorly, with three distinct brown stripes, the dorsal 
one the broadest; posterior margin of each segment whitish; posterior 
margin of eighth sternite with a rounded incision from the middle 
membranous portion of which arises two brushes of rather long, yellow 
hair; lateral angles with triangular hooked appendages the tips of which 
are furnished with a few yellow hairs; ninth tergite with a very broad, 
deep, V-shaped incision; ninth sternite divided ventrally by a rather 
