1915.] NATURAL SCIENCES OF PHILADELPHIA. 475 
Tipula fragilis Loew. 
Tipula fragilis Loew; Berliner Entomologische Zeitschrift, vol. 7, p. 279 
(1863). 
Tipula suspecta Loew; Berliner Entomologische Zeitschrift, vol. 7, p. 280 
(1863). 
The synonomy as given above was decided after comparing the 
type of suspecta with those of fragilis. 
Tipula mainensis sp. n. 
Coloration brownish; thorax striped with blackish brown; antennge 
with the three basal segments light yellow, the remaining segments 
bicolorous; wings pale grayish, stigma brown; male genitalia with 
the ninth tergite having the caudal margin broadly concave, the 
lateral angles not prominent. 
Male. — Length, 10-11 mm.; wing, 12-12.1 mm. 
Frontal prolongation of the head rather short, dull brownish 
yellow; nasus prominent, brown; palpi short, the first segment 
yellow, the remaining segments dark brown. Antennae rather 
short, the three basal segments light yellow, the following segments 
with the basal swelling dark brown, the remainder of each segment 
dull yellow, passing into brown on the terminal segments. Head 
light yellowish brown, heavily whitish gray pruinose, with a narrow, 
indistinct brown median line. 
Pronotum dull yellow. Mesonotal prsescutum rather bright 
browm with heavy dark browm stripes, very sparsely dusted with 
yellowdsh, the lateral margins brighter, yellowish; scutum with the 
lobes largely brown on the disk; scutellum and postnotum dull 
yellow. Pleura dull yellow, whitish pollinose. Halteres with the 
knob dark brown, the extreme base, or sometimes the whole stem, 
yellowish brown. Legs with the coxse light yellow, whitish pollinose; 
trochanters yellow; femora dull yellow, the tip narrowly dark 
brown; tibise brownish yellow, darker at the tip; tarsi browii. Wings 
pale grayish, the costal region a little brighter, more yellowish; 
stigma rather distinct, brown; a broad vitreous band before the 
stigma extending into the base of cell M4. Venation as in Plate XVI, 
fig. 5. 
Abdominal tergites dull yellow, a narrow median band which is 
broadened out on the apical segments; a brownish subbasal blotch 
on the side of each segment; the lateral margin of the tergites pale; 
ninth tergite brownish black, narrowly bordered with yellowish; 
sternites yellowish. Male genitalia (see Plate XVIII, fig. 31) with 
the ninth tergite (Plate XIX, fig. 46) broadly subquadrate, the 
caudal margin very shallowly concave, the lateral angles not promi- 
