NORTH AMERICAN LASPEYRESIINAE AND OL.ETHREUTINAE 97 



the rest of the wing, except for the strongly contrasted white spot 

 forming the dorsal half of the antemedian band, is a rather pale 

 ocherous fuscous. Hind wing white with a dark, smoky shade 

 toward apex and termen; cilia white with a dark basal band. 



Male genitalia with a short tuft from base of sacculus of harpe; 

 spine clusters Spc^ and Spc^ strongly developed; arch between 

 them wide; aedoeagus with a rather prominent tooth from lower 

 surface at middle ; genitalia of type figured. 



Alar expanse. — 15.5 mm. 



Type. — In Canadian National Collection. 



Type locality. — Aweme, Manitoba. 



Described from unique type (N. Griddle, '•9-VI-1921 "). A 

 striking form easily recognized by its large size, white hind wings, 

 and peculiar markings. 



14. POLYCHROSIS CYCLGPIANA, new species 

 (Figs. 185, 364) 



Palpus, face, head, and thorax ashy gray. Fore w^ing with basal 

 two-thirds ashy gray very faintly cross marked with fuscous scaling 

 and with outer margin of the gray area inwardly concave; outer 

 third whitish ocherous with a large, round, black subapical spot 

 occupying the center of the field ; this spot nowhere touching termen ; 

 from costa near apex, and lying between subapical spot and termen, 

 two fine blackish lines running to termen; on dorsum near tornus a 

 small triangular blackish spot; cilia ashy gray with very slight 

 fuscous dusting. Hind wing smoky fuscous; cilia leaden fuscous 

 with slightly darker basal band. 



Male genitalia figured from paratype in Canadian Collection; 

 female from type. 



Alar expainse. — 12.5-14 mm. 



Type.—Q^i. No. 28032, U.S.N.M. 



Paratype. — In Canadian National Collection. 



Type locality. — Brown's Mills, N. J. 



Food plants. — Magnolia virginiana, M. glauca. 



Described from female type reared July, 1920, by Harry B. Weiss 

 from larva feeding in seed pod of Swamp Magnolia and male para- 

 type from the Canadian National Collection labeled : " 20-VII-24. 

 Larva on imported Magnolia glauca Linnaeus presumably from 

 vicinity of Philadelphia." 



A striking species. In pattern like no other American Polychrosis. 



4. AHMOSIA, new genus 



(Figs. 58, 186) 



Genotype. — Ah7nosia galbinea, new species (North America). 

 Thorax with posterior tuft. 



