104 buij:,etin 123, united states national museum. 



investigations of the U. S. Bureau of Entomology from cones of 

 Pinus 'ponderosa and P. jeffreyi collected at Silver Lake, Oregon 

 ^Hopk. U. S. no. 13251 ^ P. D. Sargent, Coll.), Pine Valley, Cali- 

 fornia (Hopk. U. S. no. 13276% F. P. Keen, Coll.). According to 

 J. M. Miller, of the Bureau of Entomology, who has investigated the 

 life history, the species has only one generation a year, the larvae 

 feeding during June, July, and August, pupating in October, and 

 overwintering in cocoon as pupa within the cones, moths issuing the 

 following May and June. 



Male genitalia figured from reared specimens in National Collec- 

 tion. (Silver Lake, Oregon. Hopk. U. S. no. 13251 \) 



Distribution according to specimens in National Collection, Ameri- 

 can Museum and Collection Barnes : Colorado, Oregon, California, 

 Utah, Arizona, Texas. 



Alar expanse. — 17-28 mm. 



Type. — In American Museum. 



Type locality. — Salida, Colorado. 



Food plants. — PiniiS ponderosa^ Pinus jeffreyi. 



54. EUCOSMA COCANA Kearfott. 



(Fig. 139.) 



Eucosma cocana Kearfott, Trans. Anier. Ent. Soc, vol. 33, 1907, p. 26, — 

 Barnes and McDunnough, Check List Lepid. Bor. Amer., no. 7001, 1917. 

 Eucosma rhodophaea Meykick, Ent. Mo. Mag., vol. 48, 1912, p. 35. 



Known only from the types. In general appearance closest to 

 hohan^a Kearfott and rescissoriana Heinrich, but in genitalia more 

 like monitorana Heinrich. Apparently a distinct species and ob- 

 viously of this immediate group. Will be found to be a coniferous 

 feeder when bred. 



Male genitalia of type figured. 



Alar expanse. — 19 mm. 



Type. — In American Museum. 



'Type locality. — Tryon, North Carolina. 



Food plant. — Unknown. 



55. EUCOSMA KESCISSORIANA Heinrich. 



(Fig. 138.) 

 Eucosma rescissoriana Heineich. Proc. U. S. Nat. Mus., vol. 57, 1920, p. 58. 



Known only from the type. 

 Male genitalia of type figured. 

 Alar expanse. — 23 mm. 

 Type. — In National Collection. 

 Type locality. — Sprague River, Oregon. 



Food plant. — Pinus murrayana (larvae feeding in cones on scales 

 and seeds). 



