NORTH AMERICAN EUCOSMINAE. 119 



90. EUCOSMA GOMONANA Kearfott. 



(Fig. 149.) 



Eucosma gomonana Kearfott, Can. Ent., vol. 39, 1907, p. 78. — Barnes ami 



McDuNNOUGH, Check List Lepid. Bor. Amer., no. 6998, 1917. 

 Eucosnic discipula Meyrick, Ent. Mo, Mag., vol. 48, 1912, p. 35. 



A small species different from anything else in the genus. 



Male genitalia figured from specimen in National Collection from 

 Plummer Island, Maryland ("Apr., 1909, August Busck"). 



Distribution according to specimens in National Collection, Ameri- 

 can Museum and Collection Barnes : New Jersey, Maryland, Virginia, 

 District of Columbia. 



Alar expanse. — 8-11 mm. 



Type. — In American Museum. 



Type locality. — Essex County Park, New Jersey. 



Food plant. — Unknown. 



91. EUCOSMA DILATANA (Walsingham) . 



Paedisca dilatana Walsingham, Trans. Ent. Soc. Lond., 1895, p. 510. 

 Exicosma dilatana Fernald, in Dyar List N. Amer. Lepid., no. 5158, 1903.— 

 Barnes and McDunnough, Check List Lepid. Bor. Amer., no. 7041, 1917. 



I have seen only two specimens of this species, a female in Doctor 

 Barnes's collection labeled " Wilgus, Cochise County, Arizona," and a 

 female in the Kearfott collection at the American Museum from 

 the Baboquavaria Mountains, Arizona, 



It is very like nandana Kearfott but much paler. 



Alar expanse. — 26 mm. 



Type. — In British Museum. 



Type locality. — Arizona, 



Food plant. — Unknown. 



92. EUCOSMA NANDANA Kearfott. 

 (Fig. 211.) 



Eucosma nandana Kearfott, Trans. Amer. Ent. Soc, vol. 33, 1907, p. 17.-- 



Baknes and McDun'nough, Check List Lepid. Bor. Amer., no. 6944, 1917. 

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



Close to dilatana Walsingham. 



Male genitalia figured from specimen in National Collection from 

 Chicago, Illinois (" IX, 8-16, A. K. Wiatt ") . 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and collection Barnes : Manitoba, Illinois, Iowa, North 

 Carolina. 



Alar expanse. — 25-30 mm. 



Type. — In American Museum, 



Type locality. — Eounthwaite, Manitoba. 



Food plant. — Unknown. 



