INVESTIGATIONS ON THE MUTILLID WASPS 213 



Sphaerophthalma canella Blake, Trans. Amer. Eut. Soc, vol. 13, p. 230, 



1886, male. 

 Ephuta (Ephuta) canella Andr£, Gen. Ins., vol. 1, fasc. 11. p. 58. 1903, male. 

 Dasymutilla (Daspmutilla) canella Bradley, Trans. Amer. Ent. Soc, vol. 



42, p. 326, 1916, male.— Rohwer, Bull, 22, Conn. Geol. Nat. Hist. Surv., 



p. 624, 1916, male. 



Type. — Male, Texas, in collection of American Entomological So- 

 ciety of Philadelphia. 



Distribution. — Connecticut, New York, New Jersey, Pennsylvania, 

 Michigan, Minnesota, Nebraska, South Dakota, and North Dakota. 



SPECIMENS EXAMINED 



Michigan: 2 males, Ann Arbor, July 16, 1923 (E. G. Anderson). 



Minnesota: Male, Fridley sand dunes, Anoka County, May 28, 1925 (C. B. 



Philip) ; male, Fridley sand dunes, Anoka County, July 26, 1923 (R. W. 



Dawson) ; male, Fridley sand dunes, Anoka County, July 28, 1923 (R. W. 



Dawson) ; male, Fridley sand dunes, Anoka County, August 2, 1923. 

 Nebraska : Male, West Point, June, 1887 ; male. Sowbelly Canyon, Sioux County, 



June 23, 1911 (R. W. Dawson). 

 New Jersey : 6 males. North Woodbury, June 22, 1901 ; male. North Woodbury, 



August 1, 1901 ; male. Big Timber Creek, September 22, 1901 ; male, West- 



ville, August 30; male, Camden County, July 27, 1890; female, Camden 



County, 2 males. 

 New York: 2 males. Cold Springs Harbor, L. I., June 18, 1921 (E. G. Ander- 

 son) ; male, Cold Springs Harbor, L. I., June 22, 1921 (S, H. Emerson) ; 



male, Cold Springs Harbor, L. I., July 8, 1921 (B. G. Anderson). 

 North Dakota: Male. Fargo, July 5, 1923 (AV. Baker) ; male, northeast North 



Dakota (C. N. Ainslie) ; male, Trail County, July 19, 1923 (A. A. Nichol) ; 



6 males. Beach, August 22, 1921 (C. N. Ainslie). 

 Pennsylvania : 2 males, Philadelphia, July, 1912. 

 South Dakota: Male, Elk Point, June 12, 1925 (H. C. Severin) ; 2 males. 



This species is related to monticola Cresson. It may be distin- 

 guished from the latter by the apical segments of the abdomen being 

 black, the pubescence of the head and thorax entirely black, and the 

 exceedingly coarse and deep sculpture of the propodeum. The lat- 

 ter character distinguishes it at once from most other male Dasy- 

 mutillids. The abdomen usually is obscurely grayish pubescent 

 above at the tip. The sculpture of the first and second abdominal 

 tergites varies considerably in intensity. In a few specimens the 

 sculpture of the first tergite is almost as coarse as that of the pro- 

 podeum, but in most specimens it is distinctly less coarsely sculptured 

 than the propodeum. The second tergite is usually distinctly and 

 somewhat closely punctured, but in a few eastern specimens the 

 puncturation is sparse and small. I have examined Blake's type and 

 find the specimens listed above to agree with it. I have seen no 

 other specimens from Texas, however, other than the type. The 

 genitalia are the same in appearance as those of monticola and are 

 therefore not figured. Melander (1903) indicated that rugulosa was 



