LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 419 



28. Antemedial line running obliquely in to inner margin; inner lead-colored band 

 of speculum definite 18. Epinotia momonana. 



28. Antermedial line perpendicular to inner margin; inner lead-colored band 



irregular and broken 19. Epinotia transmissana. 



29. A triangular blackish patch more than 1 mm. wide at the middle, resting on 



outer margin 6. Epiblema culminana. 



29. No triangular marginal patch 30. 



30. Whole outer two-thirds whitish -.31. 



30. Whole outer two-thirds not whitish 32. 



31. A squarish blackish patch before the speculum, as dark as the base; fringe 



blackish 17. Epiblema desertana. 



31. Area before speculum hardly darker than the ground; fringe blackish toward 



costa 16. Epiblema illotana. 



32. Dorsal area, between white patch and speculum, of the fuscous ground color, 



somewhat shaded with black 4. Epiblema boxcana. 



32. This area scaled with blue-gray and white; with clearly defined black 



dots 33. 



33. Speculum mostly white, connected with dorsal patch. 



11. Epiblema dorsisuffusana. 



33. Speculum with broad blue-gray bands 34. 



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



12. Epiblema carolinana. 



34. Fringe white .at anal angle; base not white-scaled 35. 



35. Base deep brown and blue-gray; median area strongly contrasting, white, with 



a few gray striae 13. Epiblema scudderiana. 



35. Base of a less intense smoky gray and blue-gray; median area, half gray, less 



contrasting 18. Epiblema suffusana. 



36. Dorsum wood brown, contrasting with the blackish costal region; speculum 



of the lightest wood brown, with a single clear black dash in its upper 

 portion 15. Eucosma rusticana. 



36. Dorsum not broadly wood brown, contrasting with a blackish costa 37. 



37. Wings blackish, the speculum a contrasting pale patch 38. 



37. Wings not solid dark with pale speculum 39. 



38. Terminal joint of palpus and second joint of antennae black. 



2. Epiblema abrupt ana. 



38. Terminal joint of palpus not black 1. Epiblema strenuana. 



39. Deep brown, the speculum very obscure 40. 



39. Usually light grayish brown or gray; never brown with obscure markings. . . .41. 



40. Costal stria? at middle of wing blackish; region above speculum not dusted 



with white .12. Eucosma mandana. 



40. Costal 'stria? all geminate, whitish; region above and before speculum usually 



with pale-tipped scales 14. Eucosma fulminana. 



41. With sharply defined evenly colored dark patches 42. 



41, No such patches . 44. 



42. Patches dark brown on a light brown ground, a third way out on inner margin 



and near anal angle 43. 



42. Patches at anal angle and along outer margin; blackish on a pale gray 



ground 6. Epiblema culminana. 



43. Somewhat less defined ones also at end of cell and along outer margin toward 



costa 7. Epiblema brightonana. 



43. With the two dorsal patches only 19. Thiodia tomonana. 



44. With a clear black line in base of fringe, usually interrupted with white 



opposite end of cell . . . '. 45. 



44. Fringe powdery gray toward base, or, rarely, with a continuous light-gray 

 line . 47. 



