258 BULLETIN 123, UNITED STATES NATIONAL MUSEUM. 



unable to separate all of them satisfactorily on any geographical 

 basis. 



Male genitalia as in roessleri. 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and collection Barnes : Colorado, Oregon, Utah, British 

 Columbia, Alberta, Alaska. 



Alar expanse. — 23-30 mm. 



Type. — In American Museum. 



Type locality. — Head of Pine Creek, Calgary, Alberta, Canada. 



Food plant. — ^Unknown. 



8. HYSTRICOPHORA ASPHODELANA SERAPmCANA, new variety. 



Paler than asphodelana. Fore wing nearly pure white with mark- 

 ings almost obsolete and little or no trace of dark shading on 

 dorsum ; cilia snowy white with a faint broken dark anti-basal line 

 above tornus. Hind wing dark brown; cilia snow white without 

 dark basal line. Underside of fore wing dark fuscous; termen and 

 costa white. Underside of hind wing white. 



Alar expanse. — 30-31 mm. 



Type.—C2ii. No. 24861, U.S.N.M. 



Paratypes. — In National Collection, American Museum, and col- 

 lection Barnes. 



Type locality. — Pullman, Washington. 



Food plant. — Unknown. 



Described from male type and two male paratypes from the type 

 locality (" C. V. Piper, 13 May, 98 ") and four male and one female 

 paratypes from Glacier National Park, Montana ("H. G. Dyar, 

 June 29, 1921 ; " " July 24-31 ") . 



A distinct variety easily distinguished by the snoAV-white un- 

 shaded cilia of its dark hind wings. 



9. HYSTRICOPHORA OCHREICOSTANA ( Walsingham) . 



(Fig. 419.) 



Semasia ochreicostana Walsingham, Trans. Ent. Soc. Lond., 1884, p. 141. 

 Thiodia ochreicostami Fehnald, in Dyar List N. Amer. Lepid., no. 5202, 1903. 

 Eucosma ochreicostana Barnes and McDunnough, Check List Lepid. Bor. 

 Amer., no. 7057, 1917. 



A distinct species easily recognized by its strongly marked ocellus 

 and the strong orange yellow markings and shadings on terminal 

 area of fore wing. 



Male genitalia figured from specimen in National Collection from 

 Denver, Colorado (" Oslar ") . 



