460 



TOftTRICINA 



[EUCOSMA 



Subapical fascia anteriorly angulated 28. palustrana. 



34. Markings darker greyish-ochreous . 32. irriguanoi. 



formed by a coarse black irroratioii 



30. metallicana. 



35. Basal patch blackish-mixed . . .36. 



,, not blackish -mixed . . 39. striana. 



36. Central fascia enclosing pale median spot 31. micana. 



,, without pale spot . . .37. 



37. Forewings with ground-colour whitish . 37. bifasciana. 



,, ,, not whitish . 38. 



38. Forewings with dark median subterminal blotch 



20. profundana. 

 without such blotch . . .39. 



39. Forewings with ground-colour ferruginous-ochreous 



21. postremana. 

 not ochreous . 40. 



40. Markings mixed with dark ferruginous-brown 



17. fuligana. 



blackish . . .18. carbonana. 



1. E. salicella, L. 19-21 mm. Forewings rather dark 

 brown, spotted with black, and 

 irregularly marked with leaden- 

 grey ; base and dorsum broadly 

 whitish, with some black strig- 

 ulae near dorsum towards base. 

 Hindwings fuscous, darker ter- 

 minally. 



England to York, rather local ; 

 C. Europe, N. Asia ; 7. Larva 

 dull red-brown ; tubercular spots, 

 head, and plate of 2 black : on 

 Salix ; 5. 



2. E. woodiana, Barr. 16-18 

 mm. Head and collar blackish, 

 thorax whitish. Forewings white, 

 strigulated and posteriorly stri- 

 ated with grey ; basal patch 

 dorsally dark grey ; a grey black- 

 marked central costal blotch narrowed beneath and ending in 

 a black median dash. Hindwings grey, darker posteriorly. 



Hereford, local ; not known elsewhere ; 7. Larva green ; 

 head and plate of 2 black : mining blotches in leaves of 

 mistletoe ( Viscum) ; 9-5. 



Neuration and head of Eucosma 

 lacunana. 



