58 BULLETIISr 123, UNITED STATES NATIONAL. MUSEUM. 



Distribution according to specimens in National Collection, 

 American Museum, and collection Barnes: Alberta, Saskatchewan, 

 Manitoba. 



Alar expanse. — ^20-21 mm. 



Type. — In American Museum. 



Type locality. — Regina. 



Food plant. — Unknown. 



42. THIODIA STRIATANA (Clemens). 

 (Fig. 80.) 



Anchylopera striatana Clemens, Proc. Acad. Nat. Sci. Phila., 1860, p. 349. 

 PaecUsca alhicepsami Walkee, Cat. Lepid. Heter. Brit. Mus., vol. 28, 1863, p, 



379. 

 Grapholitha trivittana Zellee, Vehr. Zool.-bot. Ges. Wien., vol. 25, 1875, p. 287. 

 Thiodia stratana Feenald, in Dyar List N. Amer. Lepid., no, 5177, 1903. — 



Keaefott, Can. Ent., vol, 37, 1905, pp. 45, 209. 

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



no. 7065, 1917. 



A common species found all over the United States east of the 

 Sierras. It has veins 3 and 4 of hind wing stalked. 



Male genitalia figured from specimen in National Collection from 

 Pittsburgh, Pennsylvania (Henry Engel, "VI-3-05"). 



Distribution according to specimens in National Collection, Ameri- 

 can Museum and collection Barnes : Missouri, Minnesota, Wisconsin, 

 Illinois, Iowa, North Dakota, Colorado, Utah, Pennsylvania, Dis- 

 trict of Columbia, New York, New Jersey, Maine, Massachusetts, 

 Ontario, Alberta. 



Alar expanse. — 13-18 mm. 



Types. — In Academy of Natural Science, Philadelphia {stHatana) ; 

 British Museum (albicepsana, trimttana?). 



Type localities. — Baltimore, Maryland {striatana) ; " North 

 America" {albicepsana) ; Texas {trivittana). 



Food plant. — Unknown. 



43. THIODIA STRIATANA OCCIDENTALIS, new variety. 

 (Fig. 79.) 



In color and markings like striatana Clemens; differing in geni- 

 talia and in having veins 3 and 4 of hind wing united; the white 

 median stripe of fore wing is also shorter, not reaching to ocellar 

 patch and tapering to a point towards extremity. In this respect 

 resembles spiculana Zeller. The latter however has a different style 

 of costal marking. 



Male genitalia of type figured. 



Alar expanse. — 16-19 mm. 



Type. — In collection Barnes. 



