Pomona College, Claremont, California 165 
DISTRIBUTION (From T. D. A. Cockerell) 
X. orpifex: Mountains near Claremont (Baker; Oak Creek 
Canyon, Ariz. (Snow) ; Rock Creek, Cal. (Davidson) ; Strawberry 
Valley, San Jacinto Mountains, Cal. (Grinnell) ; Mountain View, 
Cal. (Ehrhorn). This species occurs from Nevada south to Lower 
California. 
X. varipuncta: Tempe, Ariz. (Irish); Fort Mohave, Ariz. 
(Junius Henderson) ; Los Angeles, Cal. (Cockerell), on flowers of 
Datura meteloides. Also reported from Texas and Lower Cali- 
fornia, but not in New Mexico. 
(Contribution from the Zoological Laboratory of Pomona Coilege and Lords- 
burg College) a 
