112 BULLETIIsr 123, UNITED STATES NATIONAL MUSEUM. 



This species is less distinctly marked than any of the others in this 

 immediate group although the pattern is much the same. In the 

 hind wing veins 3-4 are long stalked and occasionally united, 



Male genitalia figured from specimen in National Collection from 

 Mesilla, New Mexico (C. N. Ainslie). 



Distribution according to specimens in National Collection, Ameri- 

 can Museum and Collection Barnes : Colorado, New Mexico (Mesilla) , 

 Kearfott's record from Manitoba ^* is based on a misidentification. 

 Kis specimens under this name being Thiodia griseocapitana Wal- 

 singham. 



Alar expanse. — 14-18 mm. 



Type. — In British Museum. 



Type locality. — Texas. 



Food plant. — Unknown. 



74. EUCOSMA REVERSANA Kearfott. 



(Fig. 223.) 



Eucosma reversana Keabfott, Trans. Amer. Ent. Soc, vol 33, 1907, p. 22. — 

 Barnes and McDunnough, Check List Lepid. Bor. Amer., no. 6942, 1917. 



Very close to shastana Walsingham and tahoensis Heinrich but 

 distinguished by characteristic genitalia and the distinct white spot 

 in the cilia of the fore wing just below the apex. In this case also 

 Kearfott's types are mixed. The paratype in the American Museum 

 is my exclusoriana. 



Male genitalia of type figured. 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and collection Barnes : Texas, Arizona (Mohave 

 County.) 



Alar expanse. — 17-20 mm. 



Type. — In American Museum. 



Type locality. — San Antonio, Texas. 



Food plant. — Unknown. 



75. EUCOSMA TAHOENSIS, new species. 



(Fig. 230.) 



Palpi, face and head ochreous-f uscous ; palpi and head darker 

 than face. Thorax fuscous with scattered whitish scales. Fore 

 wing with termen slanting, not appreciably concave and with veins 

 3, 4, and 5, at most, only slightly approximate at termen; whitish 

 marked with fuscous; a fuscous angulate basal patch, obscure 

 towards costa ; on dorsum before tornus another conspicuous fuscous 

 patch extending into cell; over ocellus a cloud of fuscous scaling; 

 along costa several narrow, short fuscous dashes interspaced with 



11 Can. Ent, vol. 37, 1905, p. 208. 



