458 TORTRICINA [eucosma 



observed that in dark specimens of profundatia, lacunaiui, and 

 branderimia the markings are sometimes obsolete. 



1. Forewings with apical third conspicuously paler . 2, 



,, ,, apical third not conspicuously paler 13. 



2. Antemedian space mostly whitish . 5. corticana. 



„ „ not mostly whitish . . 3. 



3. Forewings with extreme apex blackish-marked . 4. 



,, „ ,, not blackish-marked 8. 



4. Posterior edge of central fascia with abrupt median 



indentation 16. sauciana. 

 „ „ „ without conspicuous 



indentation . 5. 



5. Posterior edge of central fascia with angular median 



prominence \\. pruniana. 

 „ „ „ without marked pro- 



minence . . 6. 



6. Forewings with distinct transverse tornal mark . 7. 



,, without such mark . .12. oblongana. 



7. Tornal mark pale grey . , 13. gentianana. 



„ „ pale ochreous . .14. sellana. 



8. Two or more black dots in disc beyond central fascia 9. 

 At most one dark spot beyond central fascia , 12. 



9. Central fascia posteriorly with triangular projection 



surmounted by two dots . 9. varicgmm. 

 „ „ without such chai'acter . .10. 



10. Central fascia posteriorly subconvex 10. ochroleucana. 



„ „ „ subconcave . .11. 



11. Central fascia posteriorly with abrupt median in- 



dentation . 7. capreana. 

 „ „ „ without such indentation 



8. sororculcaia. 



12. Central fascia followed by dark median spot 



15. diniidiana. 

 „ ,, not followed by dark spot 6. hetidctana. 



13. Base and dorsum conspicuously paler . 1. salicella. 



„ ,, not markedly paler . .14. 



14. Forewings with black metallic-dotted submedian 



patch . . .22. arcueUa. 



without such patch . . .15. 



15, Basal patch not traceable, forewings reticulated 



„ „ more or less indicated 



16. Head and tliorax pinkish-ochi'eous 



„ ,, fuscous . 



16. 

 19. 

 17. 

 18. 



