102 BULLETIN 123, UNITED STATES NATIONAL MUSEUM. 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and Collection Barnes: Washington, Wyoming (Yel- 

 lowstone Park), Oregon, California. 



Alar expanse. — 27-32.5 mm. 



Type. — In British Museum. 



Type locality. — Kouge Eiver, Oregon. 



Food, plant. — Unknown. 



49. EUCOSMA HANDANA Kearfott. 



(Fig. 188.) 



Eucosma handana Keabfott, Trans. Amer. Ent. Soc, vol. 33, 1907, p. 20. — 

 Barnes and McDunnough, Check List Lepid. Bor. Amer., no. 5905, 1917. 

 Eucosma caramiti^ Meyrick, Ent. Mo. Mag., vol. 48, 1912, p. 34. 



A large unicolorous species close to suhflavana Walsingham but 

 distinguished by male genitalia and the absence of any sublustrous 

 scales on the fore wing. In rubbed specimens it is very difficult 

 to tell the two species apart without examining the genitalia. 



Male genitalia figured from cotype in National Collection. 



Specimens in National Collection, American Museum, and Col- 

 lection Barnes from Stockton, Utah. 



Alar expanse. — 25-30 mm. 



Type. — In American Museum. 



Type locality. — Stockton, Utah. 



Food plant. — Unknown. 



50. EUCOSMA IMMACULANA Kearfott. 

 (Fig. 179.) 



Eucosma immncidana Kearfott, Trans. Amer. Ent. Soc, vol. 33, 1907, p. 35. — 

 Barnes and McDunnough, Clieck List Lepid. Bor. Amer., no. 6900, 1917. 



A large unicolorous species easily distinguished by the pinkish 

 ochreous color of the fore wings. 



Male genitalia figured from cotype in National Collection. 



Represented by cotypes only in National Collection, American 

 Museum and Collection Barnes, all from Pullman, Washington. 



Alar expanse. — 25-28 mm. 



Type. — In American Museum. 



Type locality. — Pullman, Washington. 



Food plant. — Unknown. 



51. EUCOSMA MACULA TANA (Walsingham). 



(Fig. 190.) 



Paedisca maculatana Walsingham, Illus. Lepid. Heter. Brit. Mus., vol. 4, 1879, 



p. 48. 

 Eucosma maculatana Fernald, in Dyar List N. Amer. Lepid., no 5111, 1903. — 



Barnes and McDunnough, Check List Lepid. Bor. Amer., no. 7033, 1917. 



