ANCYLis] EPIBLEMIDAE 481 



very oblique deep ferruginous streak from middle of costa, 

 sometimes reaching termen beneath apex. Hindwings rather 

 dark grey. 



Britain to the Clyde, Ireland, common ; C. Europe ; 5, 6. 

 Larva dull green ; head and plate of 2 yellow -brownish, 

 blackiish-marked : on oak ; 7-9. 



13. A. upupana, Tr. 14-19 mm. Forewings dark fuscous; 

 a ferruginous costal patch reaching from beyond middle to 

 apex, costa within this strigulatcd with dark fuscous and 

 whitish ; an angulated posterior leaden-metallic stria. Hind- 

 wings dark fuscous, lighter anteriorly. 



Kent to Sussex and Suffolk, local ; C. Europe ; 5, 6. Larva 

 brownish-green ; head and plate of 2 black : on birch ; 7-9. 



W. A. lactana, F. {hcwpana, Hb. ; ramarm, Frol.) 13-17 

 mm. Forewings grey, strigulated and spotted with black ; 

 costal half white from base to §, with an irregular median pro- 

 jection ; costa strigulated with black and posteriorly with 

 white ; two or three black subcostal dots towards base ; a 

 ferruginous apical spot; ocellus mostly leaden -metallic, on 

 termen edged with white. Hindwings grey, apex darker, in $ 

 whitish anteriorly, in 9 paler grey. 



England, local ; C. Europe ; 6. Larva yellow-whitish ; spots 

 black ; head black ; plate of 2 brown, black-marked : on poplar 

 and aspen ; 7-9. 



13. Gypsonoma, n.(j. 



Antennae in S shortly ciliated. Palpi moderate, ascending. 

 Thorax smooth. Forewings with termen sinuate. Hindwings : 

 3 and 4 stalked, 5 approximated to 4, 6 and 7 stalked. 



Contains only a few northern temperate species. 



1. A strong black costal mark on central fascia 2. neglectana. 

 No black costal mark on central fascia . .2. 



2. A blackish spot before middle of termen . 3. acerimia. 

 No blackish spot before middle of termen 1. dealbana. 



1. G. dealbana, Frol. (incariMmt, Hw.) 12-15 mm. Face 

 grey-whitish. Forewings whitish, sometimes much mixed or 

 suffused with grey, costa strigulated with blackish ; basal patch 

 dark grey, mixed with black, edge angulated ; central fascia 

 grey, undefined, near costa brownish, with a black mark in 

 disc; ocellus edged with leaden - metallic ; a transverse grey 

 subapical streak, followed by a leaden -metallic stria; apex 

 dark fuscous, sometimes ferruginous-tinged. Hindwings grey, 

 darker posteriorly. 



2i 



