1915.] NATURAL SCIENCES OF PHILADELPHIA. 475 



Tipula fragilis Loew. 



Tipula fragilis Loew; Berliner Entomologische Zeitschrift, vol. 7, p. 279 



(1863). 

 Tipula suspeda Loew; Berliner Entomologische Zeitschrift, vol. 7, p. 280 



(1863). 



The synonomy as given above was decided after comparing the 

 type of suspeda with, those of fragilis. 



Tipula mainensis sp. n. 



Coloration brownish; thorax striped with blackish brown; antennae 

 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 swelhng 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 

 brown with heavy dark broAvn stripes, very sparsely dusted with 

 yellowish, the lateral margins brighter, yellowish; scutum with the 

 lobes largely brown on the cUsk; scutellum and postnotum dull 

 yellow. Pleura dull yellow, whitish poUinose. Halteres with the 

 knob dark brown, the extreme base, or sometimes the whole stem, 

 yellowish brown. Legs with the coxae light yellow, whitish poUinose; 

 trochanters yellow; femora dull yellow, the tip narrowly dark 

 brown; tibiae brownish yellow, darker at the tip; tarsi brown. 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 ili" 4. 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- 



