ARISTOTELIA] GELECHIADAE 573 



4. Forewings with dorsum reddish-ochreous . 5. 



,, ,, not reddish-ochreous . 6. 



5. Fasciae rosy-silvery, well-defined . . 6. ericmella. 



whitish, ill-defined . 5. subdecurtelta. 



6. Forewings with silvery fascia at f . 3. pictella. 



without such fascia . . 4. tarquinieUa. 



7. Forewings with yellow median subdorsal spot 2. stipdla, 



without such spot . . .8. 



8. Head and palpi orange . . .8. bifractella. 



not orange . . .9. 



9. Veins of forewings marked with pale streaks ZQ.palustrella. 



,, not streaked . . .10 



10. Head whitish . . . . .11 



not whitish . . . .13. 



11. Forewings with black costal dot at f . 19. su/usella. 



without black costal dot . .12. 



1 2. Costa broadly suffused with ochreous-whitish 21 . divisella. 



,, not paler . . . 18, tetragonella. 



13. Abdomen at least partly yellowish . .14. 



not yellowish . . . .15. 



14. Forewings with whitish posterior costal spot 17. elongella. 



without whitish costal spot 12. lutulentella. 



15. Forewings with pale oblong patch in disc 16. lucidella. 



without such patch . . .16 



16. Forewings with distinct whitish -ochreous tornal 



spot ... 9. atrella. 



without such spot . . .17. 



17. Posterior tibiae ochreous-yellowish . . 18. 



not ochreous-yellowish . .19. 



1 8. Forewings purplish-tinged, without pale costal mark 



13. morosa. 

 not purplish -tinged, usually with pale 



costal mark . 14. qitaestionella. 



19. Forewings with pale costal spot . 15. arundinetella. 



,, without pale costal spot . . 20. 



20. Forewings dark shining bronzy . .10. tenebrella. 



brownish, irrorated with pale \\.pulveratella. 



1. A. hermannella, F. 8-9 mm. Head and thorax metallic 

 brassy -grey. Forewings bright orange ; a fascia before 

 middle and about eight irregular spots leaden -metallic, mostly 

 margined irregularly with black ; apex black. Hindwings grey. 



Kent to Cheshire and York, local ; N. and C. Europe, WC. 

 Asia to N. Persia, N. America ; 5, 6, 8. Larva yellow-whitish, 



