504 William T. M. Forbes 



3. An oblique antemedial fascia resting on basal angle, or dark base with 

 angulate outer boundary. 

 4. Apex sharp, forming an angle of over 60 degrees; ground, especially of 

 antemedial area, normally shaded with yellow-brown, never dark. 



11. obliquana. 

 4. Apex blunt, hardly forming an angle of 60 degrees, even in female. 

 5. Antemedial pale area toward dorsum evenly pale cream; markings 



also very pale 10. promptaiia. 



5. Antemedial area dusted with fuscous or shaded with brown. 



12. angulatana, 13. bomonana. 

 1. With dark base, a median band, rarely broken, and subterminal darker fascia, 

 all distinctly edged with silver (the silver very faint in P. labeculana). 



2. Ground of thorax and fore wing white 3. argentilimitana. 



2. Ground dirty white dusted with gray 2. labeculana-. 



1. With a fine contrasting dark subterminal line, parallel to the strongly oblique 

 outer margin. 



2. Expanse over 15 mm. ; darker 8. biscana. 



2. Expanse under 15 mm. ; paler variety giscana. 



1. Terminal, or subterminal, dark band absent, or represented by scattered scales 

 or a vague shade; markings rarely defined with silver. 

 2. A triangular or rounded dorsal postmedial patch, not reaching the cell; 

 antemedial oblique fascia running up from basal angle to cell. 



3. Ground cream 9. dorsimaculana. 



3. Ground wood-brown 4. interruptofasciata. 



3. Ground dark gray 14. rana. 



2. An oblique antemedial fascia, extending up to cell, starting from inner 

 margin at a point well beyond the basal angle, the upper part of 

 the cell wholly of the ground color. 

 3. Ground pale gray; fascia extending into cell. 



4. No costal spot opposite fascia; fascia mottled with yellow. 



40. temerana ( cincmnatana ) . 



4. Costal spot present; dark markings ■ wholly gray 47. lavana. 



3. Ground light yellow; fascia not entering cell. 



4. A small costal spot opposite fascia 15. smeathmanniana. 



4. No costal spot; a series of subequal costal streaks 16. scissana. 



2. A dark median fascia with clearly defined edge, reaching from costa to 

 inner margin, sometimes interrupted part of the width of the cell. 

 3. Base and outer third of wing at least suffused with bright pink, median 



fascia brown 28. aurorana. 



3. No pink iridescence at base; sometimes a little outwardly in species 

 with a blackish fascia. 

 4. Ground yellow; fascia H-shaped, enclosing squarish costal and dorsal 

 patches; the costal ends of the fascia cream-colored, paler than the 



ground, but shading into the brown dorsal part 7. sublepidana. 



4. Fascia cut by a pale spot; bar in cell nearly or completely inter- 

 rupting it. 



5. This spot yellow 17. fuscostrigana. 



5. This spot pale gray 18. deutschiana. 



4. Fascia complete, simple, and wholly dark. 



5. An oblique antemedial fascia resting on the basal angle; median 

 fascia yellow-brown, followed by an oblique black streak. 



22. romonana. 

 5. No oblique antemedial fascia; median fascia, when yellow-brown, 

 not defined with black. 

 6. Median fascia brown, edged with blackish below; base yellow- 

 brown 6. lepidana. 



