the canadian entomologist 243 
Subfamily Tipulix.^. 
Genus Tipiila Linna'us. 
Tipula margarita, new species. 
General coloration of the head and thorax light gray; an- 
tennas short, black, the three basal segments orange-yellow; 
femora with a broad, subterminal yellow ring; wings with four 
brown cross-bands; abdomen yellow, the tergites with a broad, 
dark brown median and narrow dark brown sublateral stripes; 
lateral margin of the tergites broadly light gray; male hypopygium 
with the ninth tergite large, subquadrate, with a deep median 
split; ninth pleurite complete. 
Male. — Length about 13 mm.; wing 14.4 mm. 
Frontal prolongation of the head long, grayish above, more 
reddish laterally, nasus long and slender. Palpi with the first 
segment reddish, the remainder black. Antennas with the first 
segment long and slender, orange-yellow, a little grayish pruinose 
on the basal fourth; segments two and three orange-yellow, re- 
maining flagellar segments dark brown, the apices only a little 
more reddish; flagellar segments very short with long verticils, the 
basal swelling inconspicuous, only a little thicker than the rest of 
the segment. Head gray, on the disk of the vertex suffused with 
brown; vertical tubercle prominent, narrowly split by a deep, im- 
pressed median line; occiput more reddish. 
Thorax gray, the praescutum with three dark brownish gray 
stripes, the median one longest, broadest in front, narrowed to the 
suture; scutum light gray with two darker gray blotches, the 
larger of which lies on the scutal lobes; scutellum light gray with 
a faint, reddish cast; postnotum light gray with a narrow, in- 
distinct median brown line which is continued forwards on to the 
scutellum. Pleura light grayish pruinose. Hal teres rather short, 
yellow, the knobs dark brown. Legs with the coxee light gray 
pruinose; trochanters dull yellow; femora yellow, beyond the 
middle passing into light brown; tips broadly black, a broad, yellow 
subterminal annulus; this yellow femoral ring is most distinct on 
the fore legs, less evident on the posterior legs; tibias and tarsi 
dark brown. Wings whitish with a heavy brown pattern; dark 
brown blotches at the arculus, stigma, and a smaller one at the 
origin of the sector; four grayish brown cross-bands, the first 
