NORTH AMERICAN LASPEYRESIINAE AND OLETHREUTINAE 43 



12. Fore wing with a single, conspicuous, undivided white spot on mid 



dorsum 13. 



Fore wing without such ; white dorsal mai'kings when present consisting 

 of a pair of geminate marks or a white line bordering a narrow trans- 

 verse metallic bar 14. 



13. White dorsal spot not extending above vein 16; ground color of fore wing 



to naked eye, dark gray ; a conspicuous black spot on mid costa ; hind 



wing white toward base (13) albimaculana. 



White dorsal spot extending up into cell ; ground color of fore wing to naked 

 eye, dark purplish brown ; no such black spot on mid costa ; hind wing 

 brown throughout (28) americana. 



14. Fore wing grayish ocherous, vertically marked by broken leaden-metallic 



bars (31 ) colorana. 



Fore wing otherwise 15. 



15. General color of fore wing, gray 16. 



General color of fore wing, brown 20. 



16. Hind wing distinctly white toward base 17. 



Hind wing not appreciably whitish toward base 18. 



17. Three pairs of outer-costal white geminate marks equidistant. 



(11) multilineana. 



Third (apical) pair of outer-costal white geminations well separated from 



other two (12) ingrata. 



18. Dorsum of fore wing at extreme base dark, unmarked by white gemina- 



tions ^ (10) membrosa. 



Several white geminate marks on base of dorsum, or a white shade extend- 

 ing along dorsum to base from median dorsal geminate marks 19. 



19. Ocelloid patch containing three distinct longitudinal black streaks. 



(8) larimana. 

 No black streaks in ocelloid patch (9) garacana. 



20. Fore wing with a widely spaced pair of narrow, strongly inarked, metallic 



transverse bands ; one near and the other beyond middle 21. 



Fore wing without such 23. 



21. First transverse metallic band inwardly margined with white. 



(32) erotella. 

 First transverse band not margined with white 22. 



22. Hind wings very dark brown ; cilia cream white, strongly contrasted against 



wing (36) miscitata. 



Hind wing rather pale brown ; cilia whitish but not strongly contrasted. 



(33) toreuta. 



(34) ingens. 



(35) piper ana. 



23. Fore wing with a pair of white geminate dashes on dorsum near middle- 24. 

 Fore wing without white markings on dorsum ; dorsal geminate marks 



when present, leaden metallic 29. 



24. Thorax and base of fore wing as dark as darkest outer shade of wing. 



(3) laricana. 

 Thorax and base of fore wing paler than outer dark shading of wing 25. 



25. Ocelloid patch containing only two longitudinal black dashes. 



(7) parmatana. 

 Ocelloid patch containing four or more longitudinal black dashes 26. 



26. Fore wing heavily dusted with black beyond base (G) obnisa. 



Fore wing with little or no black dusting beyond base 27. 



