PYRALIDINA &»ALEBau 



3. Lines pale red-brownish . . .5. palumbella. 



,, obscurely whitish . . . 4. 



4. Forewiugs with large scale- tuft before first line 



4. betulae. 

 „ without raised scales . . 3. fusca. 



1. S. formosa, Hw. 19-21 mm. Forewiugs fuscous irrorated 

 with grey -whitish, suffused with pale ochreous-reddish, more 

 strongly towards dorsum anteriorly ; lines pale, first in middle, 

 strongly blackish-edged, more broadly anteriorly, second edged 

 with dark fuscous suffusion ; a transverse blackish discal mark. 

 Hindwings fuscous. 



Kent and Sussex to Norfolk, local ; C. Europe, WC. Asia to 

 N. Persia ; 6, 7. Larva deep green, darker- freckled ; dorsal 

 and subdorsal lines darker, edged with greenish -yellowish ; 

 lateral greenish-yellowish; spiracular and subspiracular whitish- 

 green ; an oval white lateral spot on 3, enclosing a black dot ; 

 head green, darker-freckled : on elm, spinning some web on' 

 upper surface of leaves ; 8, 9. 



[S. adelphella, F.R., has been regarded as British, but only 

 through a confusion with Nephopteryx hosti/zx.) 



2. S. semirubella, Sc. (carnella, L.) 24-27 mm. Forewings 

 light crimson or pink, sometimes much mixed with grey or 

 dark grey ; a whitish, greyish-ochreous, or grey costal streak ; 

 a broad ochreous-yellowish dorsal suffusion. Hindwings grey, 

 slightly rosy-tinged. 



5. England to Somerset and Norfolk, local ; C. Europe, N. 

 and C. Asia, Japan ; 7. Larva bronzy-blackish, with ten indis- 

 tinct greenish lines ; a whitish lateral spot on 3, including a 

 black dot ; head and plate of 2 black : amongst web on Lotus ; 

 8-6. 



3. S. fusca, Hw. (carboncmella, F.R.) 23-26 mm. Forewings 

 dark fuscous, sprinkled with grey-whitish; first and second 

 lines obscurely pale, darker- edged ; two darker transversely 

 placed discal dots. Hindwings fuscous. 



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

 Asia Minor, Japan, N. America ; 6, 7. Larva brown-blackish, 

 incisions brownish ; dorsal line black ; head and plate of 2 

 black : on Erica ; 7-9. The imago appears to frequent especi- 

 ally those places where the heath has been partly burnt, to 

 which its blackish colouring is adapted. 



4. S. betulae, Gz. 22-25 mm. Forewings dark fuscous, 

 sprinkled with violet- whitish ; a rather large spot of raised 

 darker scales above dorsum before first line, anteriorly obscurely 



