314 NEARCTIC ERYTHRONEURA (hOMOPTERA) 



land, Maryland, July 26, Oct. 4, 1914; Great Falls, Maryland, 

 Aug. 18, 1917; Odenton, Maryland, July 20, 1917, on Vitis, July 

 10, 1918; Scott's Run to Ball's Hill, Virginia, August 12, 1917, 

 in copula, (W. L. McAtee), [W. L. M.]. North East, Pennsyl- 

 vania, May 20, 1912 (Quaintance Nos. 6974, 5), May 24, 1912 

 (Q. No. 6982), May 28, 1912 (Q. No. 6987), August 22, 1911 (Q. 

 No. 6932), August 24, 1912 (Q. No. 9023), (F. Johnson); Mt. 

 Airy, Pennsylvania, July 9, 1894; Kelly's Island, Ohio, July 18, 

 1911 (Q. No. 6938); Washington, District of Columbia, June 10, 

 and others less definitely labelled, [U. S. N. M.]. 



Erythroneura comes var. vitifex Fitch 



Erytltront'ura vitifex. Fitch, Asa. Insects Infesting Fruit Trees, Trans. 

 N. Y. Agr, Soc, xvi, 18.56, pp. 392 to 393. [New York.] 

 Tegminal markings red, confluent into two zigzag vittae, each of which 

 extends from humerus to middle of clavus, thence to posterior half of costal 

 plaque thence to fourth cross-vein; these vittae enclose a heart-shai)ed pale 

 spot, anteriorly, which involves inner bases of clavi and apex of scutellum, 

 and a diamond-shaped pale spot, iwsteriorly, in the center of which is a red 

 spot on the tips of the clavi. The head has a broad wedge-shaped vitta with 

 a narrow median pale streak and the pronotum, two lateral simple vittae and 

 a median Y-shaped one. 



Length, 2.73 mm.; vertex: LM 7, LE 3:.5, WA 12, WP 19, OA 6, OP 11, 

 OH 16; pronotum: L 11, W21; tegmen 13-56. Measurements from a male; 

 Plummer's Island, Maryland, January 11, 1914, (W. L. McAtee). 



Other specimens (2.64 to 2.73 mm.) examined were from same 

 locality as measured individuals, March, April, July, August, 

 October, November, December; Oxford Indiana, November 1, 

 1914, (W. L. McAtee), [W. L. M.]: Pawling, New York, (A. L. 

 Marshall) ; Washington, District of Columbia, Oct. 10, (C. L. 

 Marlatt), Oct. 1, 1895, July 21, 1885, at light; Taresdale, Vir- 

 ginia, April 26, 1886, on grape, (D. Rhind); Madison, Wisconsin, 

 Sept. 17, 1880, (W. A. Henry); Michigan (1971); Iowa (129); 

 Riley County, Kansas, July, (Marlatt); Wichita Falls, Texas, 

 Feb. 17, ((Quaintance No. 7793), (J. H. Stokes); Las Cruces, New 

 Mexico, Oct. 12, on Vttis vinifera, (T. D. A. Cockercll), [U. S. N. 

 M.]. 



Erythroneura comes var. vitifex Fitch, y<'ll<>w form * 



The shape and extent of the markings in variety viiifex are 

 much the same as in variety ziczac, but the color bright red instead 



