LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 85 



gg. Fascia in or beyond middle of wing. 



h. Apex white 24. apicialbella. 



hh. Apex not white (sometimes with white apical cilia). 



i. Fore wing almost lusterless; fascia not more shining than 

 remainder of wing. 



j. Cilia, creamy white 31. ulmella. 



jj. Cilia gray 30. fuscotibiella. 



ii. Fore wing almost lustreless; fascia shining white, silvery, 

 or golden. 



j. Collar white 25. tiliella. 



jj. Collar not conspicuously paler than the head, 

 k. Apical cilia white; marginal line defined. 



I. Expanse 4 mm . '. 26. rubifoliella. 



II. Expanse 5 to 6 mm 27. nyssaefoliella. 



kk. Apical cilia not white; marginal line not defined. 



I. Head paler behind 28. slingerlandella. 



II. Head not paler behind 29. rosaefoliella. 



iii. Fore wing with a metallic luster; fascia silvery or golden. 



j. Fascia preceded by a purple or deep golden brown band. 



15. purpuratella. 

 jj. No such band. 



k. Fascia the only pale marking. 



I. Basal halt of wing metallic golden or bronzy; fascia 



ill-defined internally. 



m. Entire apical area deep purple. ... 14. unifasciella. 

 mm. Costal half of apical area purple. 



13. resplendensella. 



II. Fascia well-defined internally, contrasting with 



ground color, 

 m. Wing purple before the fascia, brown beyond. 



19. altella 

 mm. Wing not as above. 



n. Fascia noticeably beyond the middle. 



o. Fascia indistinct 16. obscurella. 



oo. Fascia distinct. 



p. Entire tuft ochraceous. . . . 17. ostrycefoUella. 

 pp. Tuft ochraceous behind only.. 18. paludicola. 

 nn. Fascia at or near the middle. 



o. Tuft black 22. quercipulchella. 



oo. Tuft reddish or ccherous. 

 p. Ground color bronzy. 



q. Collar pale yellowish (usually). 



21. opulifolieHa. 



qq. dollar not pale 20. corylifoliella. 



pp. Ground color purplish black. 



23. }uglandifoliella. 

 kk. With additional silvery or golden markings. 



I. A semi-elliptical, golden, metallic spot on dorsum 

 proximal to fascia 10. rhoifoliella. 



II. Metallic markings along termen or at apex. 



m. Termen margined with silvery scales from dorsum 



to apex 11. terminella. 



mm. Apex golden metallic, concolorous with fascia. 



12. villosella. 



