666 TINEINA [elachista 



23. Anterior fascia twice shortly angulated . 12. 2^(^'^^- 



,, not so formed . . . .24. 



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



„ „ not larger than tornal . 16. nigrella. 



25. Costal spot 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 (J not more obsolete costally 29. 



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



„ grey on crown, face whitish . 19. ohscurella. 



30. Forew.ings with two or three pale ochreous fasciae 31. 



,, without pale ochreous fasciae . .33. 



31. Costa fuscous towards base . . . 32. 



,, not fuscous towards base . . 35. suhocellea. 



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



„ ,, ,, rounded . . 33. disertella. 



33. Plical stigma absent .... 34. 



,, ,, black, distinct . . . 35. 



34. Forewings 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 gi'ey or fuscous markings . 37. 



,, without such markings . . 39. 



37. Forewings with angulated fuscous fascia . . 38. 



,, without such fascia . . 28. hiatomella. 



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



,, without apical black dot 30. rhynchosporella. 



39. Stigmata dark fuscous, hindwings grey-wdiitish 



36. dispunctella. 

 „ black, hindwings in S 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- 

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

 white. Hindwings dark fuscous. 



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



