16 PEOCEEDINGS OF THE NATION AX, MUSEUM vol. V5 



PLATYTYLELLUS INSIGNIS Say 



Frequent ; dates of collection range from June 20 to August 5. P. I. 



PLATYTYLELLUS FRATERCULUS Knight 



Plummer Island, Md., July 24, 1903, W. V. Warner ; July 14, 1915, 

 McAtee; Jacksons Island, Md,, June 22, 1902, Barber; Virginia near 

 the District of Columbia, July 19, Pergande. 



PLATYTYLELLUS CIRCUMCINCTUS Say 



Rock Creek, D. C, June 22, 29, 1890, Heidemann; Difficult Run, 

 Va., July 12, 1906, F. Knab; Great Falls, Va., June 20, N. Banks. 



PLATYTYLELLUS INSITIVUS var. INSITIVUS Say 



Frequent; season June 2 to July 14. P. I. 



PLATYTYLELLUS INSITIVUS var. ANGUSTICOLLIS Knight 



Plummer Island, Md., June 2, 1912, Schwarz and Barber; Glencar- 

 lyn, Va., July 1, 1906, F. Knab. 



PLATYTYLELLUS FRATERNUS var. FRATERNUS Knight 



Lakeland, Md., June 25, 1906, F. Knab; Maryland near Plummer 

 Island, June 13, 1914, R. C. Shannon ; Maywood, Va., June 16, 1921, 

 McAtee. 



PLATYTYLELLUS FRATERNUS var. RUBROMARGINATUS Knight 



Grassymead, Va., June 19, 1906, F. Knab. 



PLATYTYLELLUS FRATERNUS var. DISCIFER Knight 



Bladensburg, Md., June 26, 1902, Heidemami ; Cabin Jolm Bridge, 

 Md., June 26, 1911, E. Shoemaker. 



PLATYTYLELLUS FRATERNUS var. REGALIS Knight 



Washington, D. C, May 4, 1884, Heidemann. 

 Genus NEOBORUS Distant 



NEOBORUS AMOENUS var. AMOENUS Renter 



Common on ash ; adults collected from May 20 to October 12 and 

 nymphs from May 30 to September 5 ; comes to light. P. I. 



NEOBORUS AMOENUS var. SCUTELLARIS Renter 



With the typical variety and about as common in its season ; dates 

 of collection range from May 21 to June 19. P. I. 



NEOBORUS AMOENUS var. SIGNATUS Renter 



With the typical variety but less frequent; season as shown by 

 specimens at hand May 20 to June 5. 



