NORTH AMERICAN EUCOSMINAE. 125 



Alar expanse. — 22-26 mm. 

 Type. — In British Museum, 

 Type locality. — Texas. 

 Food plant. — Unknown. 



104. EUCOSMA RUSTICANA Kearfott. 



(Fig. 162.) 



Eucosma rusticana Kearfott, Proc. U. S. Nat. Mus., vol. 28, 1905, p. 358. — 

 Babnes and McDunnough, Check List Lepid. Bor. Amer., no. 6945, 1917. 



An easily distinguished species. 



Male genitalia figured from cotype in National Collection from 

 Tryon, North Carolina (" Fiske, 8-1-04 "). 

 Distribution : North Carolina, Texas, Indiana, Illinois. 

 Alar expanse. — 21-2,4: mm. 

 Type. — In American Museum. 

 Type locality. — Kerrville, Texas. 

 Food plant. — Unknown. 



105. EUCOSMA MOBILENSIS, new species. 



(Fig. 212.) 



Brown with every scale and hair tipped with white giving the 

 entire insect a dusty gray-brown appearance. Fore wing without 

 lines or patches of any kind; veins 3, 4, and 5 well separated at 

 termen. Hind wing a semi-lustrous smoky fuscous; cilia somewhat 

 paler. Underside of fore and hind wings lustrous, ashy-gray; a 

 patch of coarser scaling, similar to that on upper surface, on that 

 part of the fore wing which overlaps the hind wing. Eesembles 

 both landami Kearfott and somhreana Kearfott, but easily dis- 

 tinguished from both ; from sorribreana by the absence of any basal 

 patch or other marking on fore wing and from landana by the more 

 vertical termen, more finely powdered pale dusting on fore wing 

 and more rounded extremity of female abdomen. In landana the 

 termen of fore wing is decidedly slanting, the white markings on 

 the fore wings are in small but distinct spots, and the extremity of 

 the female abdomen tapers abruptly and sharply. In the female 

 of 7nohilensis the extremity of the abdomen is somewhat swollen 

 and rounded, the closely oppressed scaling of the anal tuft having the 

 superficial appearance of the clothed male genitalia. From nandana 

 Kearfott which it most closely resembles in genitalia it is at once 

 distinguished by the male antennae; those organs being decidedly 

 ciliate in nandana and smooth in moMlensis. Also the basal patch 

 of fore wing, though faint, is always distinguished in nandana. 



Male genitalia of type figured. 



Alar expanse. — 20-25 mm. 

 7806—23 9 



