216 BULLETIN 123, UNITED STATES NATIONAL MUSEUM. 



species exhibiting none of the striking color variation so character- 

 istic of albangulana. From nisella Clerck which also occurs in the 

 north east it is at once distinguished by its broad triangular socii. 



Male genitalia figured from specimen in National Collection 

 from New Hampshire (Busck). 



Distribution according to specimens in National Collection, 

 American Museum, and collection Barnes: Illinois, Pennsylvania, 

 New Jersey, New Hampshire, Ontario. 



Alar expanse. — 14-17 mm. 



Type. — In British Musem. 



Type locality. — Nova Scotia. 



Food plant. — Betula? 



34. EPINOTIA NIGRALBANA ( Walsingham) . 



(Fig. 351.) 



Paedisca nigralbana Walsingham, Illus. Lepid. Heter. Brit. Mus., vol. 4, 



1879, p. 41. 

 Eucosma nigralbana Fernald, in Dyar List N. Amer. Lepid., no. 5123, 1903. — 



Barnes and McDunnotjgh, Check List Lepid. Bor. Amer., no. 6956, 1917. 



Male genitalia figured from cotype in National Collection. 

 Distribution according to specimens in National Collection, 

 American Museum, and collection Barnes : California and Colorado. 

 Alar expanse. — 14r-16 mm. 

 Type. — In British Museum. 

 Type locality. — Mendocino County, California. 

 Food plant. — Unknown. 



35. EPINOTIA RUIDOSANA, new specice. 



(Fig. 380.) 



Palpi fuscous gray, white toward base. Face white. Head gray- 

 ish or ochreous fuscous. Thorax white spotted with bluish fuscous. 

 Ground color of fore wing milky white; an obscure dark angulate 

 basal patch indicated by blotches or dustings of bluish fuscous 

 scales; terminal fourth of wing clouded with black and brown and 

 containing a couple of irregular vertical bars of metallic scales, the 

 black scaling forming two blotches, one above dorsum near tornus 

 and the other below costa before termen ; a pale brown streak from 

 mid costa, reaching to or nearly to black patch before tornus; 

 between this brown streak and apex, on costa, three pale brown 

 germinate spots; apex and termen pale brown, the brown color 

 broken by a white dash on termen below apex; extreme margin 

 of termen edged with a fine black line, the latter becoming obsolete 

 towards anal angle; cilia smoky fuscous with a pale shading to- 

 ward base at apex; underside of fore wing smoky fuscous; under 



