NORTH AMERICAN LASPEYRESIINAE AND OLETHREUTINAE 107 



IVfale o;enitalia with liarpe not markedly wider at base than else- 

 where ; spine cluster Spc ^ present as a row of fine spines upon a rigid, 

 triangular projection from neck. Uncus reduced; bifid; apex un- 

 spined. Socii free, weak, short, flexible, drooping, finely haired. 

 Gnathos normal; represented by a pair of lateral arms supporting 

 the usual ribbon-like, weakly chitinized subanal plate. Aedoeagus 

 moderately long, considerably longer than broad; cornvitus a single 

 short, weak spine. 



Closely related to Endothenm. 



TANIVA ALBOLINEANA (Kearfott) 

 (Figs. 50, 189, 389) 



Lipoptycha alholineana Keaefott, Bull. Amer. Mus. Nat. Hist., vol. 23, 



1907, p. 160. 

 ArgyropJoce abietana Fernald, Can. Eut., vol. 40, 1908, pp. 349, 432. — 



Barnes and McDunnough, Check List Lepid. Bor. Amer., no. G8o3, 



1917. 

 Olethreutes piccae Busck, Proc. Ent. Soc. Washington, vol. 18, 1916, p. 151. 

 Heniimene alholineana Barnes and McDunnough, Check List Lepid. Bor. 



Amer., no. 7265, 1917. 

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



Amer., no. 6864-1, 1917. 

 Olethreutes abietana Forres, Memoir 68, Cornell Univ. Agr. Exp. Sta., 1924, 



p. 453. 



I have compared the types of all the above, and there is no doubt 

 of the synonym3^ The species is locall}'^ important as an enemy 

 of spruce, often doing considerable damage. The larvae eat into 

 the leaves near their base, cut them off and web them together in a 

 net of silk and frass. 



Male and female genitalia figured from specimens in National 

 Collection from Colorado Springs (male, reared May 24, 1915, under 

 " Hopk. U. S. No. 13900 " from Picea engelmanni) and Monument 

 Park, Colo, (female, reared July 15, 1915 under "Hopk. U. S. No. 

 139006 from same food plant). 



Distrihution. — North Carolina, New York, Massachusetts, Maine, 

 Minnesota, Michigan, Iowa, Colorado, British Columbia, Alberta, 

 Manitoba, Ontario. 



Alar expanse. — 11-15 mm. 



Types. — In American Museum {aJhoJineana) ; National Collection 

 {abietana, piceae). 



Type localities. — Black Mountain, North Carolina {alholineana) ; 

 Amherst, Massachusetts {abietania) ; Monument Park, Colorado, 

 {piceae). 



Food plants. — Picea and Abies. 



