PAMMENE] EPIBLEMIDAE 507 



dilated on dorsum ; central fascia followed by a thick leaden- 

 metallic stria interrupted in middle by a black spot ; sometimes 

 some black scales in ocellus. Hindwings fuscous, more or less 

 whitish-suffused anteriorly. 



Britain to the Clyde, S. Ireland, common ; C. Europe ; 5. 

 Larva whitish; spots black; head and plate of 2 black : between 

 joined leaves of oak ; 6, 7. 



7. P. fimbriana, lln\ 14-15 mm. Forewings narrow, 

 elongate, dark fuscous, finely sprinkled with whitish-grey, 

 costa with darker strigulae ; edge of basal patch darker, 

 angulated, followed by 'an oblique quadrate obscure paler or 

 whitish dorsal spot strigulated with dark fuscous ; ocellus edged 

 with silvery -metallic, preceded by a blackish spot or suffusion, 

 and sometimes including some black dots. Hindwings whitish ; 

 a dark fuscous anteriorly suffused terminal fascia. 



Britain to the Clyde, not common ; N. and NC. Europe ; 

 4, 5. Larva pinkish-white, with obscure whitish rings ; spots 

 red -brown; head brown; plate of 2 whitish or grey, posterior 

 edge blackish : in galls on oak ; 6-8. This and the two 

 following species are not gall-makers themselves, but inquilines 

 of galls made by species of Andricus (Diptera). 



8. P. argyrana, Hb. (vemana, Knaggs) 9-13 mm. Forewings 

 fuscous, sometimes ochreous- tinged, irregularly marked with 

 black, costa strigulated with black and white ; three streaks 

 from costa and margins of ocellus leaden-metallic; sharply 

 angulated edge of basal patch and central fascia darker, 

 separated by a somewhat pentagonal white dorsal blotch more 

 or less strigulated with blackish; a suffused blackish spot 

 before apex. Hindwings fuscous, in basally whitish, with 

 terminal and broader dorsal blackish fascia, in $ posteriorly 

 darker fuscous. 



Britain to the Clyde, very common, sitting in crevices of 

 bark ; C. Europe ; 5. Larva pinkish-white, sharply ringed with 

 white ; spots red ; head brown ; plate of 2 whitish or grey, 

 posterior edge blackish : in galls on oak, and probably fruits of 

 apple ; 6-8. 



9. P. gallicolana, Z, (obscurana, Wilk.) 11-12 mm. Fore- 

 wings dark brown, mixed with bluish-grey, and posteriorly with 

 ferruginous ; costa posteriorly strigulated with whitish and 

 dark fuscous, with several bluish-leaden-metallic streaks ; an ir- 

 regular ochreous-white median dorsal blotch strigulated with dark 

 fuscous ; ocellus edged with purplish-leaden-metallic, including 

 several black marks. Hindwings fuscous, darker posteriorly. 



