NO. 2344. SUPERFAMILY TIPULOIDEA— ALEXANDER AND McATEE. 397 

 NEPHROTOMA FERRUGINEA Fabricius. 



Common ; extreme dates of cellection, April 19 and October 17 ; in 

 €opula, April 28, May 25, August 6; specimens bred from pupae 

 June 1 and July 28. P. I. 



* NEPHROTOMA FESTINA Dietz. 



riummers Island, July 28, 1912, McAtee. 



* NEPHROTOMA INCURVA Loew. 



Scott's Eun to Ball's Hill, Virginia, August 12, 1917, McAtee; 

 Plummers Island, June 20, 1905, H. S. Barber; June 27, 1909; Mary- 

 land near Plummers Island, July 27, 1916, McAtee; Cabin John 

 Bridge, Maryland, June 28, 1913, R. C. Shannon, July 29, 1916; 

 Lakeland to Riverdale, Maryland, July 14, 1916, McAtee. 



NEPHROTOMA MACROCERA Say. 



Abundant; season May 16 to September 13. P. I. 



NEPHROTOMA OCCIPITALIS Loew. 



Plummers Island, August 24, 1907, McAtee. 



NEPHROTOMA POLYMERA Loew. 



Falls Church, Virginia, September 26, 1915; Virginia near Plum- 

 mers Island, June 17, 1913, Plummers Island, June 2, 1916, June 17, 

 1913, McAtee; Glen Echo, Maryland, June 3, 1898, R. P. Currie; 

 Forest Glen, Maryland, June 1, 1913, F. Knab. 



NEPHROTOMA PUNCTUM Loew. 



Plummers Island, June 17, 1906, McAtee; Maryland near Plum- 

 mers Island, June 29, 1903, in copula, W. V. Warner. 



NEPHROTOMA SODALIS Loew. 



Plummers Island, July 7, 21, 28, August 25, 1912, McAtee; August 

 3, R. P. Currie; Washington, District of Columbia, June 13, 1909, 

 McAtee. 



NEPHROTOMA TENUIS Loew. 



FaUs Church, Virginia. July 13, 1913 ; Glencarlyn, Virginia, June 

 15, 1913, F. Knab; Virginia near Plummers Island, September 5, 

 1915, L. O. Jackson; Plummers Island, June 6, 1909; Beltsville, 

 Maryland, September 30, 1917, McAtee. 



* NEPHROTOMA VIRESCENS Loew. 



Fairly common ; season. May 30 to August 17 ; reared from moss, 

 Plummers Island, April 5, 1913, R. C. Shannon; seen ovipositing, 

 Mount Vernon, Virginia, July 13, 1917, McAtee. 



