68 BULLETIN 143, UNITED STATES NATIONAL MUtiEUM 



and above, glabrous with scattered punctures medially, and closely, 

 finely punctate ventrally, the dorsal margin clothed with long, 

 ochraceous pubescence like that of the dorsum of the thorax, the 

 remainder clothed with sparse, long, erect, black pubescence; scutel- 

 lar scale not present. 



Abdomen black; first segment short, subsessile with the second; 

 first tergite with large, elongate punctures throughout, sparsely 

 clothed with very long, erect, black pubescence ; second tergite with 

 large, deep more or less confluent punctures throughout, the punc- 

 tures deeper and more confluent near the base, a small area at the 

 lateral basal margins glabrous, impunctate; tergites 3-5 with mod- 

 erate, more or less confluent punctures; extreme base of second 

 tergite with sparse, erect black pubescence, the remainder of the 

 second tergite and tergites 3-5 with long, erect and recumbent, 

 ochraceous pubescence; base of tergite 6 with long, erect, black 

 pubescence; pygidium irregularly rugose, more or less granulate 

 apically; first sternite medially with a longitudinal ridge, but not 

 sharply carinate, moderately punctate throughout, sparsely clothed 

 with long, erect, black pubescence ; second sternite with large, rather 

 close, elongate punctures throughout, sparsely clothed with long, erect, 

 black pubescence, and an apical fringe of long black hairs ; sternites 

 3-5 with close, moderate, punctures throughout, sparsely clothed with 

 erect, black pubescence, and each with an apical fringe of black 

 hairs; apical sternite closely punctate, especially at the base and 

 sides, clothed w^ith erect, black pubescence. 



Legs black, clothed with long black hairs. 



Allotype. — Female, Colorado, in collection of United States Na- 

 tional Museum. 



SPBCIMBNS EXAMINED 



Alberta, Canada : Female, Medicine Hat, July 12, 1923 ; female, Medicine Hat, 

 August 1, 1916 (Sladen) ; female, 4 males. Medicine Hat August 20, 1916 

 (Sladen); 2 females, Medicine Hat, August 23, 1919 (Sladen); male. 

 Medicine Hat, August 24, 1922 (F. S. Carr) ; female. Lethbridge, July 22, 

 1916 (Sladen); female, mule, Lethbridge, July 28, 1916 (Sladen); male, 

 Lethbridge, August 28, 1916 (J. B. Wallis). 



Arizona: Male, Carr Canyon, Huachuca Mountains, Cochise County, August, 

 1905 (H. Skinner) ; female, Huachuca Mountains, May 12, 1919 (R. D. 

 Camp) ; male. Fort Grant, Piualeuo Mountains, July 18, 1917 ; male, 

 Tucson, June 5, 1919; female, Douglas, September 20, 1922 (H. Letcher) ; 

 2 males, Sabino Canyon, Santa Catalina Mountains, May 20, 1919; male. 

 Hot Springs, July 2, 1902 (Oslar) ; female. Hot Springs (Oslar) ; female, 

 Winslow, July 31 (Barber and Schwarz) ; female, Williams, June 30 

 (Barber and Schwarz) ; female, Williams, July 9 (Barber and Schwarz) ; 

 male, Williams, July 29 (Barber and Schwarz) ; female, Ashfork, April 1 

 (Cockerell) ; female, Flagstaff, July 6 (Barber and Schwarz) ; female. 

 Flagstaff, July 7 (Barber and Schwarz) ; male. Flagstaff, July 13, 1892; 



