NORTH AMERICAN EUCOSMINAE. 41 



Paratyyes.—Q^X. No. 24787, U.S.N.M. ; also in American Museum 

 and collection Barnes. 



Type locality. — Oak Station, Allegheny County, Pennsylvania. 



Food plant. — Unknown. 



Described from male type and five male and three female paratypes 

 from the Kearfott duplicates in the American Museum, all collected 

 at the type locality by Mr. Fred Farloff and bearing dates as fol- 

 lows : (type and one other male, " Aug. 19-09 " ; 2 males, " Aug. 

 2-08"; 1 female, "Aug. 7-09"; 2 males, "Aug. 11-09"; 1 female, 

 " Aug. 15-08 " ; and 1 female, " Aug. 15-09 ".) 



This species is nearest to ochroterrmnana Kearfott, which it closely 

 resembles. It is separated from the latter by the absence of the 

 yellow cilia and terminal blotch on fore wing and the distinctly 

 ochreous head so characteristic of ochroterrrdruma. The genitalia 

 are very much alike in the two species. 



10. THIODIA RARACANA Kearfott. 



(Fig. 100.) 



TModia raracana Kearfott, Trans. Amer. Ent. Soc, vol. 33, 1907, p. 44. 

 Thiodia fastidiosa Meyeick, Ent. Mo. Mag., 1912, p. 34, 



Eucosma raracana Baknes and McDunnough, Check List Lepid, Bor. Amer., 

 no. 7075, 1917. 



Male genitalia figured from cotype in National Collection labeled 

 " Solidago, 11/884, from Glovers' Coll. 83." 



Distribution according to specimens in National Collection, Ameri- 

 can Museum and collection Barnes : New Jersey, Kentucky, Arkansas, 

 Florida, District of Columbia, Pennsylvania. 



Alar expanse. — 11-14 mm. 



Type. — In American Museum. 



Type locality. — ^Washington County, Arkansas. 



Food plant. — Solidago. 



11. THIODIA CORCULANA (Zeller). 



(Fig. 115.) 



Semasia corciilana Zeller, Zool-Bot. Ges. Wien, vol. 24, 1874, p. 433. — Wal- 



siNGHAM, Trans. Ent. Soc. Lond., 3884, p. 141. 

 Semasia aspidiscana Walsingham (not Hiibner), lUus. Lepid. Heter. Brit. 



Mus., vol. 4, 1879, p. 55. 

 Thiodia corculana Fernald, in Dyar List N. Amer Lepid., no. 5168, 1903. 

 Thiodia aspidiscana Fernald, in Dyar List N. Amer. Lepid., no. 5167, 1903. — 



Kearfott, Trans. Amer. Ent. Soc, vol. 33, 1907, p. 39. 

 Thiodia aspidiscana Kearfott, Trans. Amer. Ent. Soc, vol. 33, 1907, p. 38. 

 Eucosma aspidiscana Barnes and McDunnough, Check List Lepid. Bor. Amer., 



no. 7055, 1917. 

 Eucosma corculana Barnes and McDunnough, Check List Lepid. Bor. Amer., 



no. 7056, 1917. 



The name aspidiscana must be dropped from our lists as the true 

 aspidiscana does not occur in the United States. Specimens so de- 



