[mjCOULATRIX 



fuscous-mixed in middle. Forewings white, sprinkled with dark 

 ochreous-fuscous ; an oblique spot on eosta before middle, an 

 oblique fascia beyond middle including a blackish mark beneath, 

 an oblique costal spot before apex terminating in a black apical 

 dash, and an oblique anteriorly blackish-margined spot on 

 middle of dorsum brownish-ochrcous irrorated with dark fuscous, 

 llindwings grey. 



England to York, local ; C. and SE. Europe, Asia Minor ; 6. 

 Larva pale yellowish ; subdorsal line dark green ; dots grey ; 

 head pale brown : on elm ; 8, 9. 



7. B. cidarella, Z. 8-9 mm. Head dull ferruginous, mixed 

 with fuscous in middle. Antenna! eyeeaps white. Forewings 

 dark fuscous; two whitish costal spots before middle and at 

 •J, and two on dorsum somewhat anterior to these ; cilia 

 ochrcous-tinged. Hindwings grey. 



England to Cumberland, rather common ; C. Europe; 5, 6. 

 Larva yellowish -green, anteriorly reddish-tinged; dorsal line 

 darker ; dots whitish ; head pale brown : on alder ; 8, 9. 



8. B. thoracella, Thnb. (Jwppocasta/nella, Dup.) 6-8 mm. 

 Head ochrcous-yellowish. Forewings light ochreons-yellow ; a 

 thick fascia near base, and large costal and dorsal median spots 

 dark fuscous ; a fine dark fuscous longitudinal line from middle of 

 disc to apex, extending into cilia, llindwings grey or dark grey. 



Gloucester to Derby and Lancashire, local ; C. Europe ; 5, 7. 

 Larva whitish-yellow, anteriorly reddish -tinged ; head pale 

 whitish-yellow: on Tilia ; 6, 8. 



9. B. ulmella, Z. (vetustella, Stt.) 7-8 mm. Head ferruginous, 

 sometimes mixed with dark fuscous in middle. Antenna! 

 eyeeaps ochrcous-whit ish. Forewings ochreous-whitish, irrorated 

 with brown ; four oblique costal spots, first and third large, and 

 a large median dorsal spot dark fuscous ; cilia more ochreous- 

 tinged. Hindwings grey. 



England to York, common; C. Europe, Asia Minor; 5, 6, 8. 

 Larva pale grey-greenish ; lateral line darker ; dots whitish ; 

 head pale brown; 2 brownish -grey, black - dotted : on oak 

 (abroad also on elm) ; 7, 9, 10. 



10. B. crataegi, Z. (crataegifoliella, Dup.) 7-9 mm. Head 

 pale fuscous, mixed in middle with blackish. Forewings 

 brownish-whitish, irrorated with dark fuscous ; a more or less 

 distinct dark streak along fold from base to near middle, often 

 incomplete; three oblique costal spots between ^ and apex, and 

 a median dorsal spot suffusedly dark fuscous: second discal 

 stigma forming a short blackish dash. llindwings grey. 



