CRAMBUS] CRAMBIDAE 389 



8. Forewings with white subcostal streak . . 9. 



without such streak . . .10. 



9. Upper edge of median streak straight . 7. pratellus. 



angulated beyond 



middle 6. dumetellus. 



10. Median streak continued to termen . 5. silvellus. 



not reaching termen . 4. ericeUus. 



11. Median streak interrupted . . .12-. 



entire . . . .13. 



12. Median streak twice interrupted . .14. myelhis. 



once interrupted . .15. pinellus. 



13. Median streak reaching termen . .18. latistrius. 



not reaching termen . .14. 



14. Forewiugs ferruginous-brown . . .15. 



ochreous . . . 26. selasellus. 



15. Hind wings light grey . . 16. margaritellus. 



dark grey . . .17. furcatellus. 



16. Cilia of forewings strongly metallic . . 17. 



not or slightly metallic . 21. 



17. Median line present . . . .18. 



absent . . . .20. 



18. Lines acutely angulated . . .22. geniculeus. 



not acutely angulated . . .19. 



19. Forewings irrorated with black . 11. chrysonuchellus. 



not irrorated with black . 10. craterellus. 



20. Second line present . . .9. hortuellus. 



absent . . .8. culmellw. 



21. Face with well-marked cone . . .22. 



without cone . . . .23. 



22. Median line present . . 21. inquinatellus. 



absent . . .25. tristellus. 



23. Second line white . . .13. verellu*. 



ochreous or dark fuscous . . 24. 



24. Cilia of forewings regularly barred 20. fascelinellus. 



not regularly barred . . 25. 



25. Forewings with blackish submedian streak from 



base . . .24. salinellus. 



,, without such streak . 23. contaminellus. 



1. 0. hamellus, Thnb. 22-23 mm. Forewings with apex 

 slightly produced; brown, posteriorly whitish -sprinkled, ter- 

 minally suffused with white ; a broad snow - white pointed 

 median longitudinal streak from base, not reaching second 

 line, lower edge with a projection in middle; second line 



