18 PROCEEDINGS OF THE NATIONAL MUSEUM vol.75 



LYGUS VANDUZEEI Knight 



Virginia near Plummer Island, Md., June 2, 1916, flowers of 

 Spiraea aruncus, McAtee ; known to breed on Solidago. 



LYGUS RUBICUNDUS Fallen 



Common, April 19 to November 14 ; breeds on Salix. P. I. 



LYGUS CAMPESTRIS Linnaeus 



Washington, D. C, July 20, 1888, June 24, 1888, on Dwucus carota, 

 Pergande; June 17, Heidemann; Eastern Branch near Benning, 

 D. C, February 23, 1913, under bark of Pimis virginiana^ McAtee. 



LYGUS PABULINUS Linnaeus 



Common, May 21 to November 3. P. I. 



LYGUS PLAGIATUS Uhler 



Generally distributed but infrequent; dates of collection range 

 from April 22 to October 30; has been taken on giant ragweed. P. I. 



LYGUS APICALIS Fieber 



Generally distributed but infrequent; season May 4 to October 12. 

 P. I. 



LYGUS (NEOLYGUS) GENESEENSIS Knight 



Washington, D. C, June 4, 1887; Forest Glen, Md., May 23, 30, 

 1915, Heidemann; May 30, 1914, on white ash; Beltsville, Md., May 

 14, 1014, May 31, 1920, June 23. 1918, on white oak; Oclenton, Md., 

 May 20, 1915; Dyke, Va., May 19, 1918, on white oak, McAtee. 



LYGUS (NEOLYGUS) INCONSPICUUS Knight 



Washington, D. C, June 13, 1890; Marshall Hall, Md., June 13, 

 1891, Heidemann; Beltsville, Md., June 14, 1914, June 23, 1918; Glen- 

 carlyn to mouth of Four-mile Run, Va., June 17, 1914, Scotts Run, 

 Va.," July 4, 1916, McAtee. 



LYGUS (NEOLYGUS) CARYAE var. SUBFUSCUS Knight 



Beltsville, Md., May 31, 1920. June 23, 1918, McAtee. 



LYGUS (NEOLYGUS) COMMUNIS Knight 



Four-mile Run, Va., May 31. 1914, McAtee. 



LYGUS (NEOLYGUS) QUERCALBAE Knight 



Beltsville, Md., June 23, 1918; May 31, 1920, McAtee. 



LYGUS (NEOLYGUS) JOHNSONI Knight 



Glencarlyn, Va., May 30, 1906, D. H. Clemons. 



