NO. 2344. SUPERFAMILY TIPULOIDEA— ALEXANDER AND McATEE. 421 



2. Outer deflection of vein Ms lacking, cell first Ah being open ; costa china 



white; legs banded with white. (Regional.) 



Q. (L.) alexanderi Johnson. 



Outer deflection of vein Ms present, closing the cell first M2; coloration not as 



above G. (L.) manca (p. 421) 



3. Basal deflection of Cui far before the fork of M; 8c long, ending beyond the 



origin of the sector; wings spotted O, (O.) blanda (p. 421). 



Basal deflection of €u^ at or beyond the fork of M ; Sc short, ending opposite 

 or before the origin of the sector; wings unmarked, except the stigmal 

 spot 4. 



4. Antennae orange at the base, the flagellum dark 5. 



Antennae dark throughout G. (G.) suhcinerea (p. 421). 



5. Cell first M2 closed ; femora with a dark brown subterminal ring 



G. (G.) sulphurella (p. 421). 

 Cell first M2 open; femora without a dark ring G. (G.) cognatella (p. 421). 



The immature stages are spent in clamp earth or sand. 



* GONOMYIA BLANDA Osten Sacken. 



Falls Church, Virginia, June 7, 1914, R. C. Shannon. 



* GONOMYIA COGNATELLA Osten Sacken. 



Difficult Run, Virginia, July 25, 1915, Alexander, McAtee; Plum- 

 mers Island, May 24, 1914, July 15, 1911, McAtee ; Cabin John Bridge, 

 Maryland, May 16, 1900, F. Knab. 



GONOMYIA MANCA, Osten Sacken. 



Glencarlyn, Virginia, May 30, Nathan Banks; Great Falls, Vir- 

 ginia, August 23, F. Knab ; Difficult and Scotts Runs, Virginia, July 

 25, 1915, Alexander and McAtee; Plummers Island, July 15, 24, 

 1903, W. V. Warner; August 18, 1912, at light, H. L. Viereck; May- 

 wood, Virginia, August 14, 1917, at light, McAtee ; New Alexandria, 

 Virginia, July, 1907, W. Palmer: Forest Glen. Maryland. June 1. 



1913, F. Knab. 



* GONOMYIA SUBCINEREA Osten Sacken. 



Numerous records, ranging from May 11 to July 24; comes to 

 light. P. I. 



* GONOMYIA SULPHURELLA Osten Sacken. 



Plate 23, fig. S. 



Falls Church, Virginia, May 3, Nathan Banks; Difficult Run, Vir- 

 ginia, July 25, 1915, Alexander, McAtee ; Dead Run, Virginia, May 

 21, 1914; R. C. Shannon; Rosslyn, Virginia, May 11, 1913, F. Knab; 

 Glencarlyn, Virginia, June 28, N. Banks; Four-mile Run, Virginia, 

 May 31, 1914, McAtee; Washington, District of Columbia, May 31, 



1914, Hj^attsville, Maryland, August 2, 1908, F. Knab. 



