NO. 2344. SVPERFAMILY TIPULOIDEA— ALEXANDER AND McATEE. 403 



45. Oaiidal margin of the ninth tergite with a small median notch, the lateral 



lobes very broad and squarely truncated ; antennae more or less distinctly 



bicolorous; coloration brownish yellow T. mingwe (p. 406). 



Male hypopygium otherwise 46. 



46. Lateral lobes of the ninth tergite of the male hypopygium pointed, close 



together T. translucida (p. 406). 



Lateral lobes of the ninth tergite bluntly rounded at their apices, the median 

 area broad, highly convex to obtusely pointed T. georgiana (p. 405). 



The iinmatiu-e stages of species of the genus Tipula are spent in 

 a A-ariety of habitats. Some are practically aquatic {T. dbdominalis 

 and others), others live in dry garden soil {T. hicornis^ T. umbrosa 

 and others), and still other species live in decaying wood. A large 

 number of the local species live in wet moss cushions. 



Subgenus Cinctotipula Alexander. 



* TIPULA ALGONQUIN Alexander. 



Virginia, near Plummers Island, July 28, 1912. F. Knab; Plum- 

 mers Island, August 4, 1907, McAtee. 



TIPULA UNIMACULATA Loew. 



Plummers Island, July 5, 1912, in copula, E. A. Schwarz and 

 H. S. Barber; July 21, 1915, McAtee; July 25, 1915, Alexander and 

 McAtee ; Rosslyn, Virginia, July 11, 1913, R. C. Shannon. 



Subgenus Odontotipula. 



* TIPULA UNIFASCIATA Loew. 



Falls Church. Virginia, September 26, 191G. McAtee. 

 Subgenus Tipula Linnaeus. 



TIPULA ABDOMINALIS Say. 



Frequent : August 8 to October 14, is attracted to light. P. I. 



TIPULA ANNUHCORNIS Say. 



Maryland, near Plummers Island, August 2, 1914, McAtee ; Belts- 

 ville, Maryland, July 6, Nathan Banks; August 8, 1915, McAtee. 



* TIPULA APUILINA Alexander. 



Great Falls, Virginia, May 2, 1917 ; Mount Vernon, Virginia, April 

 16, 1916: April 28, 1918; Beitsville, Maryland, May 13, 1917, MciVtee. 



TIPULA AUSTRALIS Doane. 



Great Falls, Virginia, April 20, 1916: May 2, 1916; Plummers 

 Island. April 28, 1915, McAtee; Maryland, near Plummers Island, 

 April 20, 1916, L. O. Jackson; Beitsville, Maryland, April 30, 1916, 

 McAtee ; Washington, District of Columbia, Osten Sacken. 



