ftttT. k: MIRIDAE of DIST. OF COLUMBIA KNIGHT AND McATEE 19 



LYGUS (NEOLYGUS) CLAVIGENITALIS Knight 



Beltsville, Md., July 4, 1915, on Alnus rugosa^ McAtee. 



LYGUS (NEOLYGUS) HIRTICULUS Van Duzee 



Branchville to Beltsville, Md., June 4, 1914; Beltsville, Md., June 

 23, 1918, McAtee. 



LYGUS (NEOLYGUS) LAUREAE Knight 



Beltsville, Md., June 23, 1918, McAtee. 



Genus DICHROOSCYTUS Fieber 



DICHROOSCYTUS SUSPECTUS Reuter 



Petworth, D. C, May 21, 1905, D. H. Clemens; Washinirton, D. C, 

 May 22, 1895; Rock Creek, D, C, June 10, Heidemann; Branchville 

 to Beltsville. Md., June 4, 1914; Beltsville, Md., June 15, 1914, 

 McAtee. 



DICHROOSCYTUS ELEGANS Heidemann 



Generally distributed and apparently fairly numerous; season as 

 SO far known runs from May 9 to June 18; occurs on red cedar and 

 Virginia pine. P. I. 



DICHROOSCYTUS REPLETUS Heidemann 



Collected in the District of Columbia, chiefly on red cedar, at yari- 

 ous dates from June 7 to July 25, also at Marshall Hall, Md., June 13, 

 1891, Heidemann; and Cabin John, Md., June 19, 1915, V. A. 

 Roberts. 



Genus POLYMERUS Hahn 



POLYMERUS BASALIS var. BASALIS Reuter 



Almost as abundant as Lygus pratensis var. oblineatus; actii^e sea- 

 son, April 3 to October 23; taken from muUen rosettes, Maryland 

 near Plummer Island, January 18, 1914; breeds on ragweed and fre- 

 quents various flowers ; comes to light. V. P. I. 



POLYMERUS BASALIS var. FUSCATUS Knight 



Localities for this form as so far collected, with one exception, are 

 on the Coastal Plain ; dates range from June 15 to October 3 ; has been 

 taken on evening primrose and ragweed; the Piedmont locality is 

 Glen Echo, Md., summer 1922, J. C. Bridwell. 



POLYMERUS VENATICUS Uhler 



Has been encountered in small numbers on numerous occasions; 

 dates of collection range from May 28 to July 1; breed? on golden- 

 rod. V. P. I. 



