156 William T. M. Forbes 



6. Markings clean-cut, gray-brown; apical marks broken up. 



7. Scales in outer transverse band all more or less bicolored; 



duller brown 8. agnella. 



7. Scales in outer band black-tipped toward costa but evenly 



colored toward inner margin 10. capitealbella. 



1. Fore wing dominantly brown or ochre yellow. 

 2. A white or silver basal dash. 



3. Dash extending across thorax; ground brilliant yellow-brown. 



( Philonome clemensella ) . 

 3. Dash not extending across thorax; ground often dark brown. 



21. crescentella. 

 2. No defined basal dash; rarely with a pale longitudinal shade. 

 3. Light yellow-brown dominant. , 



4. Eye-caps mostly or wholly white; antenna? annulate; markings blurred; 

 fore wing with basal third of the paler (lemon-yellow) color. 



13. packardella. 

 4. Eye-caps and white bands of fore wing with white, brown-tipped scales. 



12. litigiosella. 

 4. Eye-caps usually yellow; white bands clear. Larger. Antennae even 

 yellow-brown; markings of fore wing defined and more or less silvery, 

 basal third of the darker yellow-brown. 



5. Tuft an isolated black spot _. 14. coronatella. 



5. Tuft followed by an equally large, chocolate brown area. 



15. quinquenotella. 

 3. Fuscous-brown dominant. 



4. Light; markings mainly of oblique streaks, and largely cream white. 



17. ambroskefoliella. 

 4. With an oval spot over and beyond tuft, and a similar one opposite it 



on costa; base mainly pale 16. pomifoliella. 



4. Shining deep brown with yellowish-silver spots. 



5. Six spots 18. canadensisella. 



5. Only four spots 19. locuples. 



4. Suffused powdery umber brown, the dorsal oval spot alone distinct, 

 and outlined with white; or with scattered white patches. 



20. ainsUella. 

 Not in key: species C, copeuta, cuneigera, angustata. 



1. B. luteella Chambers. Cream white, most of head and eye-caps pure white, 

 shaft of antennae and vertex pale yellow; thorax and fore wing shaded with pale 

 yellow, especially at middle and apex, contrasting with the white fringe. A very 

 small tuft at middle of inner margin ; no apical spot. 4 mm. 



This diagnosis has been drawn up from the type at Washington. 



March. 



Kentucky. 



2. B. magnella Chambers. White. A luteous band across eye-cap; fore wing 

 with a luteous stripe from middle of costa to lower half of apex, sometimes 

 extending farther toward base ; another oblique costal streak meeting the first 

 at outer end; and a streak at middle of inner margin, with some raised black 

 scales at its inner end; scales toward apex with black tips. Costal fringe white; 

 apical fringe brown, dorsal pale yellow toward apex, with two black lines of 

 scale-tips. 8 mm. 



The tongue and palpi are concealed by the overhanging face in this series. 

 June. Larva on Solidago; cocoon smooth. 

 Connecticut to Kentucky. 



3. B. fusicola Braun. Near B. magnella; head with a few fuscous scales in 

 middle of tuft; outer part, only, of antenna fuscous. Fore wing with longitudinal 

 streak from base strong in female, weak in male; first costal streak more oblique 



