LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 169 



3. Palpus with bands broad and fuscous-, the ground more or less dusted 

 with fuscous so that about half the total scales are dark; patch nor- 

 mally diffuse; ground of wing predominantly golden 21. negundella. 



3. Palpus white or partly yellow with less than half of the third segment 

 contrasting black, and sometimes a narrow black ring on the second; 

 rarely dark, in which case the fore wing also is dark. 

 4. Base on inner margin concolorous, the whole ground dark purplish, 



always with two well-marked golden spots. 



5. Costa solid dark brown, not barred before apex; ground umber brown, 

 with a violet-purple iridescence. Third segment of palpus with more 

 black. 



6. Brilliant royal purple; antenna pale; spots normally separated by 

 half their width, the first crescentic and the second long and 



horizontal 11. burgessiella 



6. Smaller; blackish with slight purple iridescence and blackish 



antenna; the spots smaller and quadrate 12. comusella. 



5. Costa beyond outer spot with three paler bars; ground and antenna 

 yellow-brown, with brilliant crimson-purple iridescence; palpus with 

 a small black spot near apex of third segment; spots large and nearly 



in contact, the first triangular 13. bimaculatella. 



5. Costa heavily and dorsum perceptibly barred toward apex; fuscous 

 without purple iridescence. Half of third segment of palpus black. 



Spots small 14. Species A. 



4. Fore wing dark purplish, with base of inner margin contrastingly golden. 

 5. Palpi strongly yellowish, markings usually suffused, the outer spot 



often nearly obliterated 23. ostryceella. 



5. Palpi white, markings clean-cut 15. vacciniella. 



6. First spot large and triangular, and second one nearly in contact 

 with it, or with the spots fused into a large, irregular patch. 



16. belfrageella. 

 4. Fore wing dark purplish, with middle of base contrastingly golden; 



costal patch large and irregular 25. blandella, 26. juglandivorella. 



4. Fore wing crimson, the base of the inner margin more or less contrast- 

 ingly paler. 



5. A single, narrow, triangular, costal, golden patch, ending about at 

 middle of costa. 



6. Head and thorax reddish bronze 27. glutinella. 



6: Head and thorax light golden yellow 18. packardella. 



5. A large, irregular patch extending well toward apex, often diffuse 



except at base; or with two patches, the outer one suffused. 

 6. Vertex light golden, much paler than the ground of the wings; or 



golden areas suffused with brown 23. ostryceella. 



6. Vertex concolorous. 



7. Thorax wholly golden; head predominantly golden. 



24. superbifrontella. 

 7. Tegulae dark, vertex more extensively dark. 



8. Vertex and tegulse rusty, with crimson iridescence. 



24. alchimiella. 

 8. Vertex and tegulse duller grayish purple; patch diffuse. 



22. azalece. 

 5. Two well-separated and sharply defined patches 17. coroniella. 



1. Brown with numerous silver spots 33. serotinella. 



1. No golden area with sharply defined, oblique, basal boundary, on costa of fore 

 wing. 



