226 NOTODONTINA [XANTHOIUIOE 



3. Discal spot forming two separate dots . 5. bipunctaria. 



not forming two dots . . .4. 



4. Anterior edge of median band twice angulated 



2. cervinata. 

 ,, ,, ,, not twice angulated 5. 



5. Anterior edge of median band angulated in middle 



13. firmata. 

 ,, ,, not angulated in 



middle . . 6. 



6. Anterior edge of median band angulated or strongly 



curved near costa 7. 

 ,, ,, ,, ,, evenly curved or 



straight . . 8. 



7. Posterior edge of median band straight . 1. vittata. 



not straight 



1 2 . quadrifasciaria . 



8. Ground-colour of forewings grey . . 4. plwnbaria. 



ochreous or whitish . 9. 



9. Basal patch mixed with red . . .10. 



not mixed with red . . .14. 



10. Ground-colour of forewings white . 14. montanata. 



,, ,, pale ochreous . 11. 



11. Subterminal line preceded by a double dark spot 12. 



,, not preceded by a double dark 



spot . . . .13. 



12. Median band purple, subterminal line distinct 



8. spadicearia. 

 ,, usually blackish, subterminal line 



obsolete . . .9. ferrugata. 



13. Forewings with a dark apical streak . 11. munitata. 



without dark apical streak . 10. designata. 



14. Median band darkest on upper half . 15. fluctuata. 



,, not darker on upper half . .15. 



15. Ground-colour of forewings ochreous or brownish 16. 



,, whitish -ochreous or 



whitish . .17. 



16. Subterminal line preceded by two dark spots 



7. didymata. 

 not preceded by two dark spots 



3. limitata. 



17. Hindwings with distinct grey striae . 16. salicata. 



,, without grey striae . 6. multistrigaria. 



1. X. vittata, Bkh. (lignata, Hb.) 22-25 mm. Antennal 



