164 BULLETIN 143, UNITED STATES NATIONAL MUSEUM 



Mississippi: Female, HinchclifE, October 3, 1916. 



MissouKi: Female, St. Louis (P. Rau) ; female, Kansas City (F. Rogers). 



Nemiaska: Female, Omaha, July 18, 1913 (L. T. Williams) ; 6 females, Platts- 

 mouth, September 3, 1923 (C. B. Philip) ; female, Louisville, July 5, 1915 

 (E. G. Anderson) ; female. South Bend, May 25, 1910 (L. Bruner) ; female, 

 South Bend, July 14, 1915 (E. M. Partridge) ; female, Lincoln, May 16, 

 1908; 4 females, Lincoln, June 11, 1920 (C. E. Mickel) ; female, Lincoln, 

 July 18, 1920 (R. W. Dawson) ; female, Lincoln, August 19, 1915; (L. M. 

 Gates) ; female, Lincoln, September 18, 1914 (C. E. Mickel) ; female, 

 Lincoln, July; 2 females, Maskell, Dixon County, July 16, 1915 (E. G. An- 

 derson) ; female, Fairmont, July 27, 1912 (G. W. Deming) ; female, Fair- 

 mont, August 10, 1912 (G. W. Deming) ; female, West Point, June, 1887; 

 female, West Point, July, 1888 ; 3 females, West Point ; female, Red Cloud, 

 June 18, 1913 (R. W. Dawson) ; female. Broken Bow (F. Rogers) ; female, 

 Dismal River, July; 2 females. Sand Hills, July; 2 females. Sand Hills, 

 September; female, Halsey, June; female, Halsey, August 15, 1925 (R. W. 

 Dawson) ; female, Halsey, August 16, 1925 (R. W. Dawson) ; female, 

 Halsey, August 31, 1924 (R. W. Dawson) ; female, Halsey, September 3, 

 1924 (R. W. Dawson) ; 2 females, Ogallala, June 24, 1913 (R. W. Dawson) ; 

 female. Imperial, June 22, 1913 (R. W. Dawson) ; female, Scottsbluff, Au- 

 gust 5, 1923 (Leonard Worley). 



New Jersey: Female, Cape May, September (H. Skinner) ; female, Clemeuton, 

 May 30, 1897 ; female, Boonton, September 10, 1891 ; female, Ramsey ; 

 female, September 29, 1889; female. 



New York : Female, Fishers Island, August, 1877 ; female. Cold Springs Harbor, 

 L. I., June 29, 1921 (E. G. Anderson) ; 2 females, Yaphank, August 27, 

 1916 (Wm. T. Davis) ; female, Bellport, L. I.; female. Wading River, L. I.; 

 female, Quogue, Long Island, August 12, 1906. 



North Dakota: Female, Cannon Ball, August 20, 1922 (O. A. Stevens). 



Pennsylvania : Female, Millersburg, July 31, 1911 ; female, Roekville, August 5. 



South Dakota: Female, Springfield, June 13, 1925 (H. C. Severiu) ; female, 

 Brookings, June 6 (H. C. Severin) ; female, Brookings, June 18 (H. C. 

 Severin) ; female, Ravinia, August 10, 1922 (C. N. Ainslie) ; female. Cham- 

 berlain, August 31, 1923 (H. C. Severin) ; female, Freeman, August 11, 

 1923 (H. C. Severin) ; female, Martin, June 16, 1925 (H. C. Severin) ; 

 female, Martin, September 12, 1925 (H. C. Severin) ; female, Hot Springs, 

 July 8, 1924; 3 females. 



Vieginia: Female, Falls Church, September 1, 1915 (C. T. Greene) 



This is a common species throughout its range. At the Fridley 

 sand dunes, north of Minneapolis, Minn., it is fairly abundant, al- 

 though exceeded in numbers by two or three other species. It is 

 closely related to quadnguttata Say and may ultimately prove to 

 be a subdivision of that species (see discussion under quadriguttata) . 

 It differs from the latter by having the postero-lateral tubercules 

 more prominent and more widely separated, and in the coloration 

 and maculation of the abdomen. The specimens vary in length from 



