INVESTIGATIOlSrS ON" THE MUTILLID WASPS 



237 



distinguished from magnifica by the absence of a pit filled with hairs 

 on the second sternite. The females vary in size from IT to 23 mm., 

 the males from 14 to 21 mm. 



96. DASYMUTILLA SACKENII (Cresson) 



Plate 3, fig. 20. 



MiiHUa sackenU Cresson, Proc. Ent. Soc. Phila., vol. 4, p. 385, 1865, female.— 



Dalle Torre, Cat. Hymen., vol. 8, p. S3, 1897, female, male.— Fox, Trans. 



Amer. Ent. Soc, vol. 25, p. 237, 1899, female, male.— Melandeb, Trans. 



Amer. Ent. Soc, vol. 29, p. 296, 1903, female, pi. 4, fig. 8. 

 Mutilla (8phaer02)hthalma) sackenii Blake, Trans. Amer. Ent. Soc, vol. 3, 



p. 235, 1871, female. 

 Mutilla erudita Cresson, Trans. Amer. Ent. Soc, vol. 5, p. 120, 1875, 



female.— Dalle Torre, Cat. Hymen., vol. 8, p. 35, 1897, female. 



PiQ, 24. DiSTRIBDTION OF DaSYMUTILLA SACKENII (CrESSON) 



Sphaerophthalma sackenii Blake, Trans. Amer. Ent. Soc, vol. 13, p. 213, 



1886, female, male. 

 Spnaerophthalma erudita Blake, Trans. Amer. Ent. Soc, vol. 13, p. 217, 



1886, female. 

 Ephuta (Ephuta) sackenii Andre, Gen. Ins., vol. 1, fasc. 11, p. 63, 1903, 



female. 



Type.—F2mdi\%, California, in collection of the American Entomo- 

 logical Society of Philadelphia. The type of erudita is in the collec- 

 tion of the American Entomological Society of Philadelphia. 



Plesiotype.— Male, La Jolla, San Diego County, California, August 

 28, 1917 (H. Klotz), entomological collection of University of Min- 

 nesota. 



Distribution. — California, Nevada, and Oregon. (Fig. 24.) 



