50 BULLETIN 123, UNITED STATES NATIONAL MUSEUM. 



whiter heads and palpi, and the closer approximation of veins 3 and 

 4 of fore wing. In many specimens of influana these veins fuse 

 before termen. 



The Regina specimen in the American Museum determined by 

 Kearfott as farvana Walsingham is also referable to influana. 



27. XmODIA LAPIDANA (Walsingham). 



Semasia lapidana Wai,singham, Illus. Lepid. Heter. Brit. Mus., vol. 4, 1879, 



p. 58. 

 TModia lapidana Feenald, in Dyar List N. Amer. Lepid., no. 5190, 1903. 

 Eucosma lapidana Baenes and McDunnough, Check List Lepid. Bor. Amer., 



no. 7085, 1917. 



I have seen no specimens of this species, but it is obviously very 

 close to sublapidana Walsingham and must therefore be placed in 

 TModia. According to Walsingham veins 3 and 4 of hind wing are 

 either long stalked or united. 



Alar expanse. — 15 mm. 



Type. — In British Museum. 



Type locality. — Crooked River, Klamath River, Southern Oregon. 



Food plant. — Unknown. 



28. THIODIA SUBLAPIDANA (Walsingham). 



(Fig. 122.) 



Semasia sublapidana Walsingham, Illus. Lepid. Heter. Brit. Mus., vol. 4, 



1879, p. 59. 

 TModia suhlapidana Feenald, in Dyar List N. Amer. Lepid., no. 5191, 1903. 

 Eucosma suMapidana Baenes and McDunnough, Check List Lepid. Bor. 



Amer., no. 7086, 1917. 



The specimens in our collections determined by Kearfott as this 

 species were incorrectly so named. I have described them as Eu- 

 cosma excerptionana. They have the costal fold and differ in geni- 

 talia from the true sublapidama, a cotype of which is in the Na- 

 tional Collection. The latter has no costal fold. It also has veins 

 3 and 4 of hind wing united. 



Male genitalia figured from cotype in National Collection. 



Alar expanse. — 16 mm. 



Type. — In British Museum. 



Type locality. — Klamath Lakes, Southern Oregon. 



Food plant. — Unknown. 



