28 BULLETIN 123, UNITED STATES NATIONAL MUSEUM. 



3. White geminations on outer half of costa repeated on underside of fore wing 



as short, very thin dashes (1) colfaxiana (typical ). 



White costal geminations repeated on underside of fore wing as spots about 

 as broad as long (3) var. coloradensis (part). 



4. Pale areas of fore wing partially sufCused with ochreous— (4) var. taxifoliella. 



Pale areas of fore wing tinted with pale greenish 5 



5. Cilia of hind wing whitish ; hind wing very pale ochreous fuscous. 



(3) var, coloradensis (part). 

 Cilia of hind wing dark smoky fuscous; hind wing dark brownish fuscous. 



(2) var. siskiyouana. 



1. BARBARA COLFAXIANA (Kearfott). 



(Figs. 24, 69.) 



Evetria colfaxiana Kearfoot, Trans. Amer. Ent. Soc, vol. 83, 1907, p. 3. — 

 Baknes and McDunnough, Check List Lepid. Bor. Araer., no. 6770, 1917. — 

 Heineich, Proc. U. S. Nat. Mus., vol. 57, 1920, pp. 53-55. 



The reasons for considering this and the following three forms 

 but local and food plant races of a single species are covered in my 

 paper in the Proceedings of the National Musemn. As yet I have 

 no reason to doubt the correctness of the conclusion. 



Male genitalia figured from specimen in National Collection from 

 Ashland, Oregon (reared from cones of Pseudotsuga taxifolia, April 

 12, 1915, under Hopk. U. S. no. 12536a % J. M. Miller). 



Distribution according to specimens in National Collection, Amer- 

 ican Museum and collection Barnes: California, Oregon, Washing- 

 ton, British Columbia, 



Alar expanse. — 15-21 mm. 



Type. — In American Museum. 



Type locality. — Colfax, Placer County, California. 



Food plant. — Pseudotsuga taxifolia. 



2. BARBARA COLFAXIANA SISKIYOUANA (Kearfott). 

 (Fig, 70.) 



Evetria siskiyouana Kearfott, Can. Ent., vol. 39, 1907, p. 77. — Barnes and 

 McDuNNOtiGH, Check List Lepid, Bor. Amer., no. 6766, 1917. 



Evetria colfaxiana siskiyouana Heinrich, Proc. U. S. Nat. Mus., vol. 57, 1920, 

 pp. 53-55, 



Male genitalia figured from specimen in National Collection from 

 Ashland, Oregon (reared from Ahies concolor, April 1, 1915, under 

 Hopk, U. S. no. 12560ft, F. P. Kean). 



Distribution according to specimens in National Collection, Amer- 

 ican Museum, and collection Barnes : California and Oregon. 



Alar expanse. — 21-24 mm. 



Type. — In American Museum. 



Type locality. — Siskiyou County, California. 



Food plants — Ahies concolor., A. sTiastensis, A. magni^ca. 



