114 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



1915, L. O. Jackson; Great Falls, Va., September 12, 1912, Cau- 

 dell (one of these specimens is remarkable in having 3 ven- 

 tral spines on one hind tibia and 4 on the other; otherwise it is 

 typical and the determination is very certain, A. N. Caudell); 

 October 3, 1915, .October 4, 1916, McAtee; October 31, 1915, L. 

 0. Jackson; Black Pond, Va., September 21, 1911, W. D. Appel; 

 Bellview to Difficult Run, Va., September 19, 1916;' Virginia near 

 Pluinmers Island, September 5, 1915, McAtee; Chain Bridge, 

 Va., August 17, 1912, Caudell. 



Conocephalus brevipennis Scudder. 



Plummers Island, August 26, 1901, R. P. Currie; August 29, 

 1905, H. S. Barber; September 2, 1904, Caudell; September 5, 

 1915, McAtee; September 15, 1907, October 12 and 13, 1906, 

 A. K. Fisher; Maryland near Plummers Island, August 18, 1916, 

 Caudell; Great Falls, Md., August 15, 1915, McAtee; Cabin John 

 Bridge, Md., October 1907 . (long- winged form), W. Palmer; 

 Dalecarlia Reservoir, and Little Falls, D. C., August 22, 1915, 

 McAtee; Great Falls, Va., September 12, 1912, Caudell; October 

 3, 1915, October 4, 1916, McAtee; October 31, 1915, R, A. Em- 

 mons; Black Pond, Va., September 21, 1911, W. D. Appel; 

 Bellview to Difficult Run, Va., September 19, 1916, Caudell; 

 Chain Bridge, Va., August 17, 1912, September 13, 1916, Caudell. 



Conocephalus nemoralis Scudder. 



The most common species of the genus: Plummers Island, 

 August 25 to November 3; long-winged form, October 4, 1905, 

 D. H. demons; Little Falls, D. C., August 22, 1915, McAtee; 

 Chain Bridge, D. C., September 11, 1911, Caudell; Great Falls, 

 Va., September 12, 1912, Caudell; October 3, 1915, McAtee; 

 October 4, 1916, Caudell; Black Pond, Va., September 21, 1911, 

 W. D. Appel; Bellview to Difficult Run, Va., September 19, 1916, 

 McAtee. 



Conocephalus saltans Scudder. 



Cabin John Bridge, Md., October, 1907, W. Palmer; Bellview 

 to Difficult Run, Va., October 3, 1915, McAtee; both short and 

 long- winged females taken; this is the first eastern record for 

 the long-winged form; Chain Bridge, Va., September 13, 1916, 

 Caudell. 



Conocephalus strictus Scudder. 



Dalecarlia Reservoir, D. C., August 22, 1915, McAtee; Chain 

 Bridge, D. C., September 7; Chain Bridge, Va., September 13, 

 1916; Bellview to Difficult Run, Va., September 19, 1916, Caudell. 



