ANNETTE F. BRAUN. 323 



F. Dorsal streak beyond fascia oblique australisella. 



FF. Dorsal streak beyond fascia perpendicular or absent. 

 G. With two costal streaks or spots before the white streak or spot 

 forming the anterior edge of the apical dusting. 



H. Costal streaks unmargined chamber sella. 



HH. Costal streaks margined. 



I. Ground color of wings pale, with a coppery lustre toward the 



apex ; marks very indistinct cerviiia. 



II. Ground color saffron, marks white- . plataiioidiella. 

 GG. With at most one costal streak before the white streak or spot 



forming the anterior edge of the apical dusting. 

 H. Median fascia but slightly angulated ; other white marks small 

 or absent. 



I. Costal and dorsal streaks absent fasciella. 



II. Costal and dorsal streaks present castaiiereella. 



HH. Median fascia sharply angulated ; white marks conspicuous. 



I. First dorsal streak long, oblique, curved . . . fle teller el la. 



II. First dorsal streak perpendicular. 



J. Marks dull white, faintly margined betlilivora. 



JJ. Marks shining white, strongly margined. 



K. External dusting at angle of fascia produced backward ; 



apex densely dusted betliuuella. 



KK. Externally margin of fascia not produced. 



L. Size large (10 mm.) ; first dorsal streak very large. 



arcuella. 

 LL. Size small ; first dorsal streak short. 



eppelslieimii. 

 AA. Two straight or nearly straight fasciae, nearer the base on the dorsal margin. 



B. No costal or dorsal streaks beyond fasciae tuhiferella. 



BB. A costal and a dorsal streak at three-fourths. 

 C. Without a paler streak at the base of the dorsal margin. 



D. Apical dusting black on a whitish ground and extended to the tornus. 



g 11 Ui fin Hell a. 

 DD. Apex velvety black, dusting not extended to tornus. 



obstrictella. 



CC. With a white streak or paler shade from inner angle to fold. 

 D. First fascia and its dark margin broken near the costa. 



aescnlisella. 

 DD. First fascia complete. 



E. Color deep reddish ; not ocherous hamameliella. 



EE. Color more ocherous. 

 F. Scales of the apical third tipped with brown, marginal line in the 



cilia distinct ostryarella. 



FF. Apical third not dusted, marginal line indistinct. 



G. Apex of dorsal streak above cilia directed toward opposite costal 



streak corylisella. 



GG. Dorsal streak above cilia curved and directed toward apex. 



aceriella. 



TRANS. AM. ENT. 8OC., XXXIV. OCTOBER, 1908. 



