TINEINA [CEROSTOMA 



Larva attenuated towards extremities ; feeding in a slight web 

 on leaves of trees and shrubs. The structure of veins 7 and 8 

 of the forewings varies within the limits of the same species. 



1. Forewings with apex strongly falcate . . 2. 



,, not falcate . . .3. 



2. Forewings deep ochreous-brown . . 2. xylostella. 



whitish-ochreous . .3. nemorella. 



3. Forewings with apex very strongly produced 1. candella. 



not strongly produced . 4. 



4. Forewings with scale-tufts on surface . . 5. 



without scale-tufts . . .7. 



5. Forewings wholly dark ferruginous-fuscous 6. horridella. 



at least partly whitish . . 6. 



6. Forewings with dorsal half mostly dark fuscous 



5. scabrella. 

 ,, not dark fuscous 4. asperella. 



7. Head whitish . . . . .8. 



,, not whitish . . . .10. 



8. Forewings ochreous-white . .12. sequella. 



pale or deep ochreous . . .9. 



9. Forewings with blackish dot above tornus 10. costella. 



without such dot ' .7. lucella. 



10. Forewings with two transverse streaks . .11. 



without transverse streaks . .12. 



11. Streaks not reaching above middle . 8. alpella. 



,, nearly reaching costa . . 9. sylvella. 



12. Forewings with dorsum blackish . .13. vittella. 



not blackish . 11. radiatella. 



1. 0. caudella, L. (1 mucronella, Sc.) 26-32 mm. Forewings 

 narrow, apex very strongly and acutely produced ; light brown- 

 ish -ochreous, with scattered black scales, veins obscurely 

 whitish ; a dark fuscous streak along fold from base to beyond 

 middle ; sometimes other dark streaks between veins ; a raised 

 dark fuscous dot beneath fold before middle. Hindwiugs pale 

 whitish-fuscous. 



S. England to Hereford and Norfolk, not uncommon ; C. and 

 S. Europe, Asia Minor; 8-4. Larva greenish -grey, marbled 

 with rosy-ochreous ; dorsal line whitish ; 3 and 4 with pairs of 

 black spots : on Euonymus ; 6-8. 



2. C. xylostella, L. (harpella, Schiff.) 17-21 mm. Head and 

 thorax white, patagia deep brown. Forewings with apex very 

 strongly falcate ; deep ochreous -brown, lighter towards costa 

 anteriorly ; a light yellow dorsal streak from base to tornus, 



