TINEINA [f.i.achista 



23. Anterior fascia twice shortly angulated . 12. poae. 



„ not so formed .... 24. 



24. Costal spot larger than tornal . .13. perplexclla. 



,, „ not larger than tornal . 16. nigrella. 



25. Costal snot rounded or truncate beneath . 7. holdenella. 



,, „ triangular .... 26. 



26. Costal spot markedly larger than tornal . . 27. 



„ ,, not markedly larger than tornal . 28. 



27. Anterior fascia almost obsolete . . 18. humilis. 



„ „ distinct . . .9. atricomella. 



28. Fascia somewhat curved, in $ costally obsolete 



10. alpinella. 

 „ straight, in <? not more obsolete costally 29. 



29. Head dark grey, face lighter . .14 subnigrella. 



,, grey on crown, face whitish . 19. obscurella. 



30. Forewings with two or three pale ochreous fasciae 31. 



„ without pale ochreous fasciae . . 33. 



31. Costa fuscous towards base . . . 32. 



„ not fuscous towards base . . 35. subocellea. 



32. Dark line of cilia truncate at apex . 34. collitella. 



„ „ „ rounded . . 33. disertella. 



33. Plical stigma absent .... 34. 



,, „ black, distinct . . . 35. 



34. Forcwings irrorated with brown or ochreous 



38. rufocinerea. 

 „ wholly white . . 39. cygnipennella. 



35. Forewings with two dark fuscous fasciae . 32. cerusella. 



„ without dark fuscous fasciae . . 36. 



36. Forewings with grey or fuscous markings . 37. 



„ without such markings . . 39. 



37. Forewings with angulated fuscous fascia . . 38. 



„ without such fascia . . 28. biatomdla. 



38. Forewings with apical black dot . . 31. scirpi. 



,, without apical black dot 30. rhi/nchosporella. 



39. Stigmata dark fuscous, hindwings grey-whitish 



36. dispunctella. 

 „ black, hindwings in $ grey . 37. triatomea. 



1. E. trapeziella, Stt. 8-10 mm. Head grey, face white. 

 Forewings blackish ; a spot on fold towards base, one on middle 

 of costa and another beneath it on fold, in ? larger and some- 

 times confluent, a fourth on tornus, and a fifth at apex shining 

 white. Hindwings dark fuscous. 



Kent, Gloucester, York, Lancashire, Durham, local ; 



