794 



TINEINA 



[ADELA 



Neuration of Adda viridella. 



ovate, cilia J-f ; 5 and 6 approximated or stalked, 6 and 7 



sometimes stalked. 



A rather considerable genus, almost confined to northern 



temperate regions. Imago with fore wings elongate, moderate, 



apex round -pointed ; the species 

 fly in hot sunshine. Larva usually 

 at first in flowers, afterwards in 

 a flat case on leaves, especially 

 when fallen. 



1. Fore wings with entire 



yellow fascia 2. 



Forewings without entire 

 fascia . . 3. 



2. Forewings with 8 and 9 



stalked 4. degeerella. 

 Forewings with 8 and 9 

 separate 3. croesella. 



3. Antennae of <$ almost wholly white ; expanse 



14-16 mm. . . 4. 



,, white towards apex only; expanse 



8-12 mm. . . .5. 



4. Forewings brassy-bronzy; antennae of <j> thickened 



5. viridella. 

 coppery - bronzy ; antennae of 9 not 



thickened . . .6. cuprella. 



5. Head black ; forewings with pale spot . \.fibulella. 



,, ferruginous - mixed ; forewings usually uni- 



colorous . . .2. rufimitrella. 



1. A. fibulella, Sckif. 8-10 mm. Head black. Antennae 

 1^, black, apical fourth white. Forewings shining coppery- 

 bronzy, costa posteriorly purple ; sometimes a pale yellowish 

 spot near base ; a pale shining yellowish transverse dorsal spot 

 beyond middle, sometimes nearly reaching costa. Hindwings 

 dark purplish-fuscous. 



Britain to Ross, rather common ; C. Europe, Asia Minor ; 

 6. Larva whitish ; head and plate of 2 dark brown ; plate of 3 

 and two spots on 4 greyish : in seed -capsules, afterwards in 

 flat elongate -oval cases granulated with earth on leaves of 

 Veronica chamaedrys ; 7-9. The colouring of the imago practi- 

 cally accords well with the Veronica flowers, the pale spot 

 imitating the white eye of the blossom. 



2. A. rufimitrella, >S y c. 9-12 mm. Head black, more or less 

 ferruginous-mixed above. Antennae in $ 2, in ? 1 J, black, tip 



