nbptioula] TINEIDAE 721 



beyond this darker, faintly purplish-tinged. Hindwings light 

 grey. 



Sussex, local ; Germany ; 5, 8. Larva yellow, with a series 

 of black linear marks ; head black : in small irregular galleries, 

 filled with brown excrement, in leaves of birch ; 7, 9, 10. 



37. N. glutinosae, Stt. 4-5 mm. Head ochreous-ycllowish 

 or orange, collar yellow-whitish. Antennal eyecaps yellow- 

 whitish. Forewings bronzy-fuscous, sometimes purplish-tinged ; 

 a narrow whitish fascia beyond middle ; apical area beyond this 

 dark purplish-fuscous. Hindwings light grey. 



Suffolk to Lancashire and Durham, local; Holland, Germany; 

 5, 8. Larva yellow : in irregular galleries in leaves of alder ; 

 7, 10. 



38. N. luteella, Stt. 4-5 mm. Head pale yellowish to fuscous, 

 collar whitish. Antennal eyecaps whitish. Forewings bronzy- 

 fuscous ; a somewhat shining yellow - whitish fascia beyond 

 middle, narrowed or sometimes obsolete on costa ; apical area 

 beyond this purple-fuscous. Hindwings grey. 



England to Durham, common ; Germany ; 5, 8. Larva 

 yellow ; head palo brownish : in small irregular galleries, usually 

 nearly filled with irregular excrement, in leaves of birch ; 

 7, 9, 10. 



39. N. sorbi, Stt. 6-8 mm. Head ochreous - yellowish to 

 fuscous. Antennal eyecaps whitish. Forewings bronzy-fuscous; 

 a broad somewhat shining whitish fascia beyond middle ; apical 

 area beyond this rather dark purplish -fuscous. Hindwings 

 light grey. 



Lancashire to Stirling, common ; N. and mountains of C. 

 Europe ; 6. Larva green-whitish : in blotches terminating short 

 galleries in leaves of Pyrus aucwparia; 7-9. 



40. N. argentipedella, Z. (woolhopiella, Stt.) 5-7 mm. Head 

 in $ blackish or dark fuscous, in $ ferruginous -yellowish. 

 Antennal eyecaps white. Forewings blackish, purplish-tinged ; 

 a somewhat shining rather oblique anteriorly subconcave whitish 

 fascia hardly beyond middle, sometimes interrupted. Hind- 

 wings grey. 



Britain to the Clyde, E. Ireland, common ; N. and C. Europe ; 

 5, 6. Larva palo greenish : in blotches in leaves of birch ; 7-10. 



41. N. tityrella, Stt. 5-7 mm. Head ochreous-yellowish. 

 Antennal eyecaps whitish. Forewings shining bronzy-brown ; a 

 rather oblique shining golden -silvery fascia beyond middle ; 

 apical area beyond this dark bronzy-brown. Hindwings grey ; 

 in (? with an expansible pencil of blackish hairs at base of costa. 



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