INVESTIGATIONS ON THE MUTILLBD WASPS 253 



SPECIMENS EXAMINED 



California: Female, Santa Paula (Essig) ; male, Carmel, Monterey County, 

 September 22, 1916; male, Carmel, Monterey County, September 12, 1919; 

 2 females, Stanford University, May, 1915; male, Stanford University, 

 August 26, 1909; female, 4 males, Stanford University, September; male, 

 Stanford University, October, 1905; female, Las Uras Creek, Santa Cruz 

 Mountains, Santa Clara County, July, 1908; female, Berkeley, October 4, 

 1919; female. Mountain View, May, 1892 (Ehrhorn) ; male, Stevens Creek 

 Canyon, near Mountain View, October, 1898 (Ehrhorn) ; 5 females. Cypress 

 Ridge, Marin County, March 29, 1921 (C. T. Dodds) ; female, male, Marin 

 • County ; female, Sonoma County, July, 1908 ; female, Yolo County, May 14, 

 1913; female. Auburn, April (L. Bruner) ; male. Auburn, October, 1918 

 (L. Bruner) ; female, Bair's Ranch, Redwood Creek, Humboldt County, 

 June 12 (H. S. Barber) ; 2 females, Siskiyou County (A. Koebele) ; female, 

 Siskiyou County ; 2 males. Mount Shasta district ; 3 females, male. 



Nb:vada : Female. 



Oregon : Female, Klamath Falls, June 20 (W. J. Chamberlin) ; female, Odell, 

 June 10, 1914 (H. F. Wilson) ; female, Corvallis, May 24, 1908 (Laura 

 Hill) ; female, Corvallis, May 31, 1913 (Warner) ; female, Corvallis, July 

 20, 1925 (D. G. Gillespie). 



The types of aureola (Cresson), pannosa (Blake) and moUissima 

 (Blake) have been examined and the two latter found to be identical 

 with this species. There is considerable variation in the color of the 

 pubescence, ranging from a dark, golden yellow to a pale golden 

 yellow, and also in size, the length varying from 9 to 11 mm. in the 

 females, and 9 to 15 mm. in the males- The area of golden pubes- 

 cence of the second tergite is distinctly emarginate medially on the 

 anterior margin which together with the golden yellow color of the 

 pubescence distinguish this form the variety pacifca. The males 

 have a greater area of black pubescence at the base of the second 

 tergite than males of the variety pacifica. 



106. DASYMUTILLA AUREOLA var. PACIFICA (Cresson) 



MvtiUa pacifica Cresson, Trans, Amer. Ent. Soc, vol. 5, p. 120, 1875, 



female. — Blake, Trans. Amer. Ent. Soc, vol. 7, p. 244, 1879. female. — 



Dau.e Torre, Cat. Hymen., vol. 8, p. 70, 1897. female. — Fox Trans. Amer. 



Ent. Soc, vol. 25, p. 248, 1899, female. — Melander, Trans. Amer. Ent. 



Soc, vol. 29, p. 302, 1903. 

 SphaeropMhalma pacifica Blake, Trans. Amer. Ent. Soc, vol. 13, p. 217, 



1886, female.— ViERECK, Proc. Acad. Nat. Sci. Phila., vol. 54, p. 743, 1903, 



female, male. 

 Ephuta {EpJiuta) pacifica Andre, Gen. Ins., vol. 1, fasc. 11, p. 62, 1903, 



female. 



Type. — Female, California (H. Edwards; G. K. Crotch), collec- 

 tion of American Entomological Society of Philadelphia. 

 Distribution. — California and British Columbia. 



