THE CANADIAN ENTOMOLOGIST 63 



Mesonotal praescutum light gray laterally, the stripes reddish 

 brown, narrowly margined with brown, median stripe narrowly 

 bisected by a dark brown vitta, the interspaces dark; scutum 

 reddish brown; scutellum and postnotum yellowish brown. Pleura 

 brownish yellow, the posterior half, including the coxae of the 

 middle and hing legs, white pruinose. Halteres light brown, 

 the knobs brown. Legs with the trochanters 3^ellow, the fore 

 coxae darker; femora dark brown, the basal portion brighter, 

 tibiae and tarsi dark brown. Wings like those of T. tricolor; red- 

 dish gray, the costal region darker, a broad, pale streak in cell M 

 and the anal angle paler; hyaline obliterative streak interrupted 

 before the stigma. 



Abdomen reddish yellow, the sides of the basal segments more 

 yellowish, the terminal segments a little darker, the caudal margins 

 of the segments very narrowly silvery. Male hypopygium with 

 the ninth tergite produced caudally into an elongate median lobe, 

 rounded across its tip which is darkened; no pencil of reddish 

 bristles near the base of this lobe as in tricolor. 



Habitat. — Eastern United States. 



Holotypc—d", Difficult Run, Virginia, July 25, 1915, (Alex- 

 ander). 



Allotype.— 9 , Falls Church, Virginia, Sept. 26, 1915, (McAtee). 



Paratopotypes. — 2 cfs; paratype. — cf, Beltsville, Maryland, 

 Aug. 8, 1915, (McAtee); c^. Stone Mt., Georgia, Aug. 3, 1913, 

 (J. Chester Bradley); d", Ithaca, New York, Aug. 26, 1914, (Alex- 

 ander) . 



Type in the collection of the author. 



Similar to T. tricolor, but the entire body much more yellow, 

 the thoracic stripes more reddish, the abdomen reddish yellow 

 with the terminal tergites scarcely darkened; ninth tergite of the 

 male without a pencil of hairs on either side of the median lobe. 

 T. fraterna is smaller, the thoracic stripes brownish gray, sides of 

 the abdominal segments broadly infuscated and the femoral tips 

 brown. 

 Tipula aprilina, sp. n. 



Dejecta group; closely resembling T. dejecta Walker, except 

 in the male hypopygium. 



