196 BULLETIN 123, UNITED STATES NATIONAL MUSEUM. 



KEY TO THE SPECIES OF EPINOTIA. 



E. improviscuna, new species, described in Appendix, is not included in this key. 



Fore wing of Male with Costal Fold Group A. 



Fore wing of Male without Costal Fold Gkottp B. 



Group A. 



1. Termen of fore wing straight or concave 2 



Termen of fore wing with a decided notch 38 



2. Termen concave; or, if straight, rather vertical than slanting 3 



Termen of fore wing straight and decidedly slanting 34 



3. Male with heavy black sex scaling on inner angle of hind wings. 



(7) perplexana, 

 Male with no such sex scaling 4 



4. Fore wing with a distinct white dash in cilia (or on termen) below apex__2G 

 No such white streak in cilia below apex 5 



5. Fore wing with a dark brown basal area, a white spot on mid dorsum and 



a roughly triangular blackis»h fuscous spot on dorsum near tornus; alar 



expanse less than 16 mm 6 



Fore wing pattern otherwise; or if as above, then alar expanse over 

 18 mm 7 



6. Fore wing with a complete, angulate, dark basal patch ; ground color along 



costa beyond basal third much paler than basal patch, ochreous fuscous. 



(27) walkerana. 



Fore wing without a complete basal patch ; ground color of entire costal area 



a nearly uniform shade, brownish fuscous (28) momonana (part). 



7. Darker contrasting areas of fore wing orange yellow, brick or madder 



red 8 



Darker contrasting areas sometimes ferruginous, but not brick or madder 

 red, nor orange yellow ; 10 



8. Fore wings banded with orange yellow (8) castaneana. 



Fore wings with darker areas red — 9 



9. Costal and basal areas of fore wing pale brick red ; a black line bordering 



the lower outer margin of an incomplete basal patch; cilia and terminal 

 margin from below apex to just above anal angle, black. 



(9) johnsonana. 



No such black markings ; a large madder red spot covering apical fifth of 



wing (10) madderana. 



10. Termen of fore wing deeply concave; apex somewhat produced and 



pointed; ground color pale gray or cream color finely speckled with scat- 

 tered blackish or fuscous dots 11 



Termen of fore wing straight or but slightly concave ; apex not produced ; 

 pattern otherwise 12 



11. Ground color of fore wing gray (19) subplicana. 



Ground color of fore wing cream white (20) basipunctana. 



12. Fore wing greenish or with at least some suffusion of greenish scales 13 



Fore wing without such greenish suffusion 16 



13. Basal patch complete and sharply contrasted (6) medioviridana. 



Basal patch obsolete or but partially defined 14 



14. Fore wing with a prominent, blackish, broken, transverse, outer fascia. 



(18) fumoviridana. 

 No such outer fascia on fore wing 15 



