LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 413 



3. No sucli patch. 



4. Deep purple-gray and umber brown, with a clean-cut, contrasting 

 median white patch. 



5. Patch covering a third of the area of the wing 9. iripartitana. 



5. Patch half as large 10. walsinghami. 



4. Lighter, at least outwardly; patch rarely well-defined. 



5. Fringe concolorous, powdery gray; a small species.. 5. albreviatana. 

 5. Fringe contrasting and dark, at least toward apex; anal angle often 



white like speculum. 

 6. Hind wing and outer third of fore wing whitish; the base of fore 



wing contrasting, blackish 16. illotana. 



6. Hind wing dark; fore wing darker, with much blue-gray, at least 



in postmedial region. 

 7. Speculum mostly white, connected with dorsal patch. 



11. dorsisuffusa/na. 

 7. Speculum with broad blue-gray bands. 



8. -Fringe all powdery fuscous ; base of wing white-scaled ; 



speculum with a contrasting dark spot 12. carolinana. 



S. Fringe white at anal angle; base not white-scaled; specular 



region whitish. 

 9. Median area pure white; normally large species. 



14. Tcennebecana, 13. scudderia/na. 

 9. Median area pinkish white with scattered dark scales; 



speculum obsolescent 17. desertana. 



9. Median area somewhat pinkish or dirty white, with several 



strong gray striae; speculum obsolete 15. obfuscana. 



9. Median area mixed white and gray, without pinkish tinge; 



speculum strong 18. suffusana. 



Unplaced: E. hirsutana, E. ochraceana. 



1. E. strenuana Walker. Base of antenna sometimes black. Fore wing smoky 

 brown, lightly and rather evenly dusted with luteous-tipped scales, except the 

 dorsal part of the median area; which is sometimes much less dusted or clear. 

 Antemedial line obscure, rarely fine; distinct and pale on dorsal half. A tri- 

 angular area along outer half of costa and extending down on outer margin to 

 Mj; striate with whitish, lead -gray, and often light brown; a pair of apical 

 striae palest, and often contrasting. Speculum a mixture of white and lead-gray, 

 the white mostly in the upper outer portion, and containing some black dots; 

 speculum preceded by a fine broken black line or a couple of dots. Fringe broad, 

 the basal half powdery. 10-17 mm. (flavocellana Fernald, minutana Kearfott). 



May to .September." Larva boring in Ambrosia; typical specimens especially 

 in A. trifida, and small ones (minutana Kearfott) in A. artemisi&folio. 



General in distribution and not rare. New York: Stanley, Poughkeepsie (New 

 York State Museum), New York City (Watson). 



2. E. abruptana Walsingham. Base of antenna inky black. A mixture of dark 

 purple-gray, brown, and black, without contrasting markings on the general 

 surface. Costa with some white stria?, a strong one just before apex. Speculum 

 strongly contrasting, white and silver, with a suggestion of black streaks. A 

 little yellow iridescence in the speculum and between it and the apex. Fringe 

 above blackish and obscurely banded; white at anal angle. 13 mm. (probably 

 orispana Clemens). 



June. 



Northern New Jersey; Virginia; Texas. 



3. E. otiosana Clemens.. Gray, shaded with blackish: the base blackish: with 

 postmedial patches towards costa and on inner margin, separated by a narrow 

 paler oblique gray band, as in Ftonia constrictana ; but often obscure, and, more 





