66 THE CANADIAN ENTOMOLOGIST 
Tipula huron, sp. n. 
Related to T. submaculata Loew.; wings with a heavy brown 
pattern. 
Male. — ^Length 14 mm.; wing 15.6 mm. 
Frontal prolongation of the head light yellow dorsally, more 
infuscated on the sides below, palpi light brown, the apical seg- 
ments somewhat darker. Antennae bicolorous, the flagellar seg- 
ments beyond the first with the basal enlargement black, the re- 
mainder of each segment dull yellow. Anterior part of the vertex 
with three linear down dashes, the median one on the frontal 
tubercle. Vertex dusky gray with a brown more or less interrupted 
median line; occiput paler. 
Prcescutum pale gray with three broad, dark brown stripes, 
the median one broadly bisected by a reddish brown line; thoracic 
interspaces dull, infuscated; scutum light gray, the lobes brown, 
scutellum and postnotum dull brownish yellow. Pleura clear, 
light gray, the dorso-pleural membranes more yellow. Halteres 
brownish, paler basally. Legs with the coxa? whitish pollinose, 
the anterior coxee more pink; femora dull yellow, the tips darkened; 
tibi« dull yellow, the tips very narrowly darkened; tarsi brown. 
Wings hyaline or sub-hyaline with the costal region more yellow; 
a heavy brown and gray pattern arranged about as in T. angulata, 
T. subfasciata, etc. The brown areas including a large basal area, 
a blotch at the origin of the sector, along the cord and the wing-- 
apex, all of these marks passing into gray on the caudal cells of 
the wing; a broad, white fascia beyond the cord extending en- 
tirely across the wing except the extreme apex of cell Mi. Vena- 
tion: vein R2 persists for its whole length. 
Abdomen dull yellow above, the tergites indistinctly ringed 
caudally with silvery; tergites seven and eight, and the caudal 
portion of six, infuscated; an interrupted sub-lateral brown line 
extending from the middle of tergite two to the base of tergite 
five; sternites dull yellow. Male hypopygium very similar to T. 
submaculata, but the lateral points of the ninth tergites in the latter 
species are usually shorter and less acute. 
Habitat. — Nothern I'nited States. 
Holotype. — &. Dodge Co., Wisconsin, June 5, 1910. 
Type in the collection of the author. 
