162 BULLETIN 132, UNITED STATES NATIONAL MUSEUM 



or much reduced. Female with two signa in bursa, developed as 

 short thorns or (rarely) slightly impressed scobinate patches. 



KEY TO THE SPECIES OF HEDIA 



1. Fore wing sordid wbite, finely streaked longitudinally with brownish lines 



and with a moderately broad, hook-shaped bar from midcosta. 



;;.;,. , ;,;; ^^ (6) lineana. 

 Fore with otherwise ._^_j^-_i_^ i^, ---,^_ 2. 



2. Fore wing with no white or whitish areas or markings (5) cyanana. 



Fore wing with one or more conspicuous white areas or patches 3. 



3. Terminal area of wing whitish from costa to dorsum 4. 



Terminal area of wing not white ; white markings limited to a large semi- 

 oval white patch on outer half of costa, but not reaching apex. 



(4) cliionosema. 



4. Outer margin of dark area nearly vertical, at least from costa to middle; a 



conspicuous isolated blackish spot in disk beyond it (1) separatana. 



Outer margin of dark area slightly angulate and outwardly slanting from 

 costa to middle ; no such black spot in disk or, if somewhat indicated, 

 then touching angle of outer dark margin 5. 



5. Pale terminal area white; nonmetallic scaling at tornus (2) ochroleucana. 



Pale terminal area white with a faintly bluish tinge ; at tornus a couple of 



bluish metallic bars meeting to outline a faint simitriangular dark patch, 



(3) variegana. 



1. HEDIA SEPAKATANA (Kearfott) 

 (Figs. 263, 416) 



Olethreutes separatana Kearfott, Trans. Amer. Ent. Soc, voL 33, 1907, 



p. 13 ; Ins. New Jersey, 1910, p. 539. — Forbes, Memoir 68, Cornell Univ, 



Agr. Exp. Sta., 1924, p. 455. 

 Penthina dimidiana Fernald (not Sodoft'sky), Trans. Amer. Ent. Soc, vol. 



10, 1882, p. 31. 

 Olethreutes dimidiana Fernald, in Dyar List. N. Amer. Lepid., no. 5034, 



1903.— Kearfott, Can. Ent., vol. 37, 1905, p. 207. 

 Argyroploce separatana Barnes and McDunnough, Check List Lepid. Bor. 



Amer., no. 6825, 1917. 



The genitalia show as Kearfott contended that this species is dis- 

 tinct from the European dimidiana. Both, however, go in Hedia. 



Male and female genitalia figured from specimens in National 

 Collection from New Brighton (H. D. Merrick, " 6-2-03," male para- 

 type) and Oak Station, Pa. (Fred Marloff, "VI-4-11," female). 



Distribution. — Massachusetts, New Hampshire, New Jersey, Mary- 

 land, Pennsylvania, Ohio, Missouri, Arkansas, Ontario, Manitoba. 



Alar expanse. — 10-16 mm. 



Type. — In American Museum. 



Type locality. — Cincinnati, Ohio. 



Food plants. — ^Wild black cherry, larkspur, thorn. 



