NOETH AMERICAN EUCOSMIISTAE. 115 



Distribution according to specimens in National Collection, Amer- 

 ican Museum and collection Barnes : Missouri, Kansas, Arkansas, 

 Illinois, North Carolina, Florida. 



The National Collection has also received larvae from Mr. A. K. 

 Wyatt, of Chicago, Illinois, who informs us that the species feeds 

 in the roots of Siljihiuni perfoliatum. 



Alar expanse. — ^25^0 mm. 



Type. — In National Collection. 



Type locality. — Missouri. 



Food plant. — SilphiuTn perfoliatum. 



81. EUCOSMA BIPUNCTELLA (Walker). 



(Fig. 142.) 



Affa Upunctella Walker, Cat. Lepid. Heter. Brit. Mus., vol. 27, 1863, p. 202, 



Paedisea worthingtoniana Feenald, Can. Ent., vol. 10, 1878, p. 83. 



Paedisca hipunctellsL Walsingham, Illus. Lepid. Heter. Brit. Mus., vol. 4, 1879, 



p. 47. 

 Eucosma Upunctella Feenald, in Dyar List N. Amer. Lepid., no. 5106, 1903. — 



Baenes and McDunnough, Check List Lepid. Bor. Amer., no. 7022, 1917. 



Male genitalia figured from specimens in National Collection from 

 Chicago, Illinois, reared by A. K. Wyatt, " VIII-8-14," from larvae 

 feeding in the roots of Silphiuin laciniata. 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and collection Barnes : Kansas, Illinois. 



Alar expanse. — 32-43 mm. 



Types. — In British Museum {hipunctella) ; in collection Fernald 

 (tvorthingtoniana) . 



Type localities. — " " {hipunctella) ; north Illinois {worth- 

 ingtoniana) . 



Food plant. — Silphium laciniata. 



82. EUCOSMA BILINEANA Kearfott. 



(Fig. 145.) 



Eucosma MUneana Keaefott, Can. Ent., vol. 39, 1907, p. 54. — Baenes and 

 McDunnough, Check List Lepid. Bor. Amer., no. 7039, 1917. 



This is a rather variable species, some of the specimens showing- 

 little or nothing of the longitudinal black streaks so characteristic 

 of normal specimens. 



Male genitalia figured from cotype in National Collection from 

 west Manitoba (" Hanham, Julj^ ") . 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and collection Barnes : Manitoba, Utah, Colorado, Iowa, 

 Illinois, 



Alar expanse. — 24-32 mm. 



Type. — In American Museum. 



Type locality. — Illinois. 



Food plant. — Unknown, 



