4Ai LEPIDOPTERA. 



E. bankesiella is a ratlier large species, the fore wings 

 silvery grey, and the hind white ; E. farrella is smaller, fore 

 wings yellow-brown, with a white costal stripe, the hind 

 smoky-browD. 



1. E. bankesiella, Richardson. — Expanse 1 inch. Fore 

 wings elongate, broad, rounded behind, pale slate, or whitish- 

 grey, with the nervures irregularly streaked with grey -black. 

 Hind wings shining white. 



Antennas of the male simple, the basal joint thickened 

 and elongated, the second channelled and slightly twisted, 

 pale brown ; palpi large, thickly tufted, apical joint bent 

 down, whitish-grey ; head whitish-grey, with a darker line 

 down the middle of the face ; thorax very pale grey, mixed 

 with white ; abdomen whitish-brown. Fore wings elon- 

 gated, not very narrow ; costa arched, especially so beyond 

 the middle ; apex decidedly rounded ; hind margin rather 

 oblique and gently curved ; whitish-grey, streaked all over 

 with short longitudinal dai'ker gi'ey lines, and dusted with 

 the same colour ; first line suggested by one or two long 

 white angles at some distance from the base and attached to 

 two grej'-black streaks on nervures ; second line scarcely 

 indicated by a blackish dash near the anal angle, and others 

 on the nervures a little darker than the rest ; there is also a 

 dusted blackish dash at each outer angle of the discal cell ; 

 nervures toward the hind margin rather more distinctly 

 streaked with black dusting ; cilia greyish-white. Hind 

 wings of moderate size; margin flatly curved behind ; shining 

 white with, usually, a faint smoky tint from the base ; cilia 

 white. Female similar, with threadlike antennte. 



Underside of the fore wings smoky-grey, edge of the 

 costa and the cilia white. Hind wings faint smokj'-white, 

 with the cilia white. Body and legs very pale grey. 



Mr. Richardson reports that it is now found to be variable, 

 some specimens being so pale as almost to be creani-colonred, 

 but with the usual grey markings on the nervures : and that, 



