TORTKIX] TORTRICIDAE 535 



Forewings with 7 to apex or very close beneath . 16. 



8. Ground-colour of forewiugs white or whitish . 9. 



,, not whitish . . 10. 



9. Hind wings white . . . .15. cinctana. 



grey . . . .14. politana. 



10. Forewings suboblong, hindwings whitish-grey 



13. dwnietana. 

 narrowed anteriorly, hindwings grey . 11. 



11. Forewings with conspicuous dark central costal 



spot . . . 11. forsterana. 



,, without such spot . . .12. 



12. Edge of basal patch more or less marked . 13. 



not marked . . .14. 



13. Forewings whitish-ochreous or ochreous . 6. loeflingiana. 



fuscous . . .12. diversana. 



14. Expanse 16 mm. or less . . .10. rusticana. 



18 mm. or more . . . .15. 



15. Head and thorax pale ferruginous . 8. paleana. 



,, brown . . .9. vibwniana. 



16. Termen of forewings sinuate . . .17. 



not sinuate . . .18. 



17. Forewings white . . . .28. argentana. 



ochreous . . . 29. oxtteana-. 



18. Hindwings whitish . . . .19. 



not whitish . . . .20. 



19. Forewings white .... 23. bellana. 



grey . . . 24. colquhounana. 



20. Hindwings dark fuscous . . . 20. nubilana. 



not dark fuscous . . .21. 



21. Costa much arched anteriorly, then straight 16. sinuana. 



evenly arched . . . .22. 



22. Forewings whitish-ochreous or greyish-ochreous 



27. langana. 

 not ochreous .... 23. 



23. Ground-colour of forewings mixed with white . 24. 



not mixed with white 28. 



24. Forewings more elongate, costa slightly arched 25. 



,, less elongate, costa moderately arched 26. 



25. Ground-colour of forewings white . 25. octomaculana. 



5 j ,, g re y 26. conspersana. 



26. Costal patch connected with termen by an irregular 



streak . . 18. virgaurcana. 



not connected with termen . 27, 



