116 BULLETIN 123, UNITED STATES NATIONAL MUSEUM. 



83. EUCOSMA DENVERANA Kearfott. 



(Fig. 183.) 



Eucosma denverana Kearfott, Can, Ent., vol. 39, 1907, p. 77. — Barnes and 

 McDuNNouGH, Check List Lepid. Bor. Amer., no. 6935, 1917. 



Male genitalia figured from cotype in National Collection, 

 Specimens in National Collection, American Museum, and collec- 

 tion Barnes all from Denver, Colorado. 

 Alar expanse. — 24-28 mm. 

 Type. — In American Museum. 

 Type locality. — Denver, Colorado. 

 Food plant. — ^Unknown. 



84. EUCOSMA PUSCOSPARSA (Walsinghaui) . 



(Fig. 218.) 



Paedisca fuscosparsa Walsingham, Trans. Ent. Soc. Lond., 1895, p. 507. 

 Eucosma fuscosparsa Fernald, in Dyar List N. Amer. Lepid., no. 5155, 1903.— 

 Barnes and McDunnough, Clieck List Lepid. Bor. Amer., no. 7043, 1917. 



Male genitalia figured from specimen in National Collection from 

 Colorado. 



Specimens from Colorado in National Collection, American Mu- 

 seum, and collection Barnes. 



Alar expanse. — 20-28 mm. 



Type. — In British Museum. 



Type locality. — Loveland, Colorado. 



Food plant. — Unknown, 



85. EUCOSMA MEDIOSTRIATA (Walsingham). 



(Fig. 245.) 



Paedisca mediostriata Walsingham, Trans. Ent. Soc. Loud., 1895, p. 508. 

 Eucosma mediostriata Feunaid, in Dyar List N. Amer. Lepid., no. 5158, 1917. — 

 Barnes and McDunnough, Check List Lepid. Bor. Amer., no. 7046, 1917. 



A variable species in color and markings, ranging from a form in 

 which the fore wings are a dull brown marked along the veins with 

 white to a form with the fore wings a clear pale buckskin yellow 

 practically without markings. The genitalia of these, however, 

 show no significant variations, 



Male genitalia figured from typical specimen in National Collec- 

 tion from Colorado ("2576"). 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and collection Barnes : Colorado, Utah, Idaho, Nevada. 



Alar expanse. — 17-26 mm. 



Type. — In British Museum. 



Type locality. — Loveland, Colorado, 



Food plant. — Unknown, 



