700 TINEINA [CEROSTOMA 



7. C. lucella, F. 16-18 mm. Head and thorax whitish, 

 patagia ochreous. Forewings with termen subsinuate ; pale 

 ochreous, finely and indistinctly reticulated with darker; 

 dorsum sometimes indistinctly whitish to middle, indistinct 

 darker suffusions towards dorsum before and beyond middle. 

 Hindwings light grey. 



England to Durham, local ; C. and S. Europe ; 7, 8. 

 Larva green ; subdorsal line yellowish ; dots black : on oak ; 5, 6. 



8. C. alpella, Schiff. 13-16 mm. Head and thorax whitish- 

 ochreous. Forewings whitish-ochreous, indistinctly reticulated 

 with deeper ochreous or light fuscous ; two oblique fuscous 

 streaks from dorsum before and beyond middle, not reaching 

 more than half across wing. Hindwings pale grey, darker 

 posteriorly. 



England to York, local ; C. Europe ; 8. Larva on oak ; 6. 



9. C. sylvella, L. 17-19 mm. Head and thorax pale 

 ochreous. Forewings pale golden -ochreous, with some light 

 fuscous strigulae ; two slender parallel oblique ochreous-fuscous 

 or dark fuscous fasciae, usually somewhat interrupted near 

 costa. Hindwings light grey, darker posteriorly. 



England, rather common ; C. Europe ; 8, 9. Larva yellow- 

 ish-green ; dorsal line narrow, yellow ; dots darker : on oak ; 6. 



10. C. costella, F. (Iparenthesella, L.) 16-18 mm. Head 

 white or ochreous -whitish. Forewings pale or rather deep 

 golden -ochreous, with scattered blackish strigulae, sometimes 

 much suffused with dark bronzy - f uscous ; usually a white 

 longitudinal blotch extending along or beneath basal half of 

 costa; a blackish dot above tornus, and another at apex. 

 Hindwings grey. 



Britain to Caledonian Canal, Ireland, common ; N. and C. 

 Europe ; 8, 9. Larva yellowish -green ; subdorsal line slender, 

 yellowish ; dots black ; head brownish : on oak, birch, horn- 

 beam, etc.; 5, 6. 



11. C. radiatella, Don. 17-19 mm. Head ferruginous- 

 ochreous or grey. Forewings narrower than in C. costella, pale 

 grey or pale greyish -ochreous to deep ferruginous-ochreous or 

 dark bronzy ; sometimes several small darker spots, or indistinct 

 longitudinal streaks of whitish irroration, or a dark fuscous 

 median longitudinal streak from base to apex ; a dark fuscous 

 dot above tornus ; a costal patch of thickened membrane 

 between 11 and 12. Hindwings grey. 



Britain to Caledonian Canal, Ireland, very common; 8-4. 

 Larva green ; spots darker : on oak ; 5, 6. 



