52 BULLETIN 132, UNITED STATES NATIONAL MUSEUM 



Kearfott's articulatana is an obvious synonym. 



Female genitalia figured from specimen in National Collection 

 from North Evanston, 111. (A. Kwiat, "V-18-13"). I have seen no 

 males. 



Distribution. — Maine, Ohio, Illinois. 



Alar expanse. — 11.5-13.5 mm. 



Types. — In National Collection {albimaculana) ; in American 

 Museum {articulatana) . 



Type localities. — Orono, Me. {aVbimaculana) ; Cincinnati, Ohio 

 {articulatana) . 



14. LASPEYRESIA POPULANA Busek 



(Figs. 145, 319) 



Laspeyresia populana Busck, Proc. Ent. Soc. Washington, vol. 18, 1916, 

 p. 151. — Barnes and McDunnough, Check List Lepid. Bor. Amer., 

 no. 7236-1, 1917. 



A somewhat variable but easily recognized species. The genitalia 

 are similar to those of Tnultilineana; but the pattern is quite different. 



Genitalia figured from paratype (male) and type (female) in 

 National Collection (reared under Hopk. U. S. no. 12339b, June 15, 

 1914, from larvae mining cambium of bark of Populv^ trichocarpa., 

 J. Brunner, collector). 



Distribution. — Montana, Colorado, Manitoba, Alberta. There is 

 also a male in the Cornell University collection from Ithaca, N. Y. 

 (" 11 July, 1916.") 



Alar expanse. — 11.5-14 mm. 



Type. — In National Collection. 



Type locality. — Missoula, Mont. 



Food plant. — Populus trichocarpa (larva in bark). 



15. LASPEYRESIA YOUNGANA (Kearfett) 



(Figs. 138, 330) 



Enormonia youngana Kearfott, Can. Ent., vol. 39, 1907, p. 1. 

 Laspeyresia youngana Barnes and McDunnough, Check List Lepid. Bor. 



Amer., no. 7232, 1917. — Forbes, Memoir 68, Cornell Univ., Agr. Exp. 



Sta., 1924, p. 393. 



A species of some economic importance as an enemy of spruce. 

 The larvae feed in the cones upon the seeds and bracts. Rather 

 widely distributed throughout the northern States and Canada. 

 There are two generations annually ; adults appearing in April-May 

 and in August-September. 



Genitalia figured from paratypes in National Collection from the 

 type locality. 



