Lepidoptera of New York and Neighboring States 125 



5. No longitudinal streak from base to apex. 



6. Head ochreous; scape of antenna with an ochreous dot. 



7. Fore wing dominantly blackish, with contrasting yellow inner 



margin 6. bimaculella. 



7. Fore wing dominantly yellowish or fuscous. 



8. Hind wing much narrower than fore wing, with a short CUj. 

 9. Expanse about 12 mm.; fore wing with a single (claviform) 



black spot in fold 7. 



■ 9. Expanse about 9 mm.; fore wing with a more or less distinct 



series of dots in the fold 5. straminiella 



8. Hind wing fully as wide as fore wing, with long Cu 2 . 



9. Fore wing with a conspicuous series of blackish bars in base 



of fringe 9. grumella. 



9. Fore wing without contrasting dark bars in fringe. 



8. carnariella. 

 6. Head fuscous; fore wing dominantly fuscous; scape of antenna all 

 fuscous. 

 7. Ground dark purplish fuscous, either plain or mottled with black- 

 ish; tegulse unicolorous . . s 11. grisseella. 



7. Ground luteous, mottled with fuscous or brown; tegular only half 

 fuscous 3. fuscipunctella. 



2. Ground blackish, without discal dots, or with pale ones; head frequently 

 yellow and strongly contrasting. 

 3. Fore wing without pale marginal spots. 



4. Thorax with a central, yellow stripe 14. thoracestrigella. 



4. Thorax solid dark brown 13. croceoverticella. 



3. Fore wing with a series of contrasting, cream-white marginal spots. 



15. ophrionella. 

 1. Hind wing (fig. 74) almost without exception decidedly narrower than fore wing; 

 the fringe wider than the membrane; Sc reaching margin three-fourths of 

 the way out; costa a little emarginate near the middle; discal spots gener- 

 ally obsolete; head white, as a rule, and. in broad-winged species, never 

 ochre yellow. 

 2. Fore wing with longitudinal stripes. 



3. Fore wings white, markings dark; head white. 



4. Two longitudinal stripes through the disc 16. roburella. 



4. Numerous longitudinal lines 17. multistriatella. 



3. Head and fore wings dark brown, streaked with white 18. rileyi. 



3. Head brown and white, fore wing dark-striped on gray 17%. atriflua. 



2. Fore wing without strongly marked longitudinal stripes. 

 3. Scape of antenna blackish. 



4. Fore wing with considerable areas of brown, often forming brown shades; 

 median fascia often confused. 

 5. Two oblique, dark, median fasciae, the outer half of the wing half 



blackish . . . 24. marmorella. 



5. A single angulate, or broken, black median fascia. 

 6. Head white, slightly gray behind antenna?. 



7. Basal fascia extending across cell 26. granella. 



7. Basal spot on costa only 27. fulvisuffusella. 



6. Head cream color, with large blackish areas behind antennae; 



larger 26. cloacella. 



4. Fore wing lightly dxisted with gray (the scale-tips dark); a square, 



black patch at middle of costa alone contrasting 20. auropulvella. 



3. Scape white; fore wing white. 



4. Ground with a few gray-tipped scales; fascia of powdery gray. 



21. acapnopennella ; 21%. tylodcs. 



