HYBERNIA] SELIDOSEMIDAE 275 



1. H. leucophaearia, Schiff. 27-32 mm. Forewings ochreous- 

 whitish, strigulated with fuscous and sprinkled with black ; 

 basal area often brown ; first line curved, second twice sinuate, 

 blackish ; median fuscous, nearly straight ; sometimes a brown 

 band beyond second ; subterminal whitish, margins sometimes 

 brown. Hindwings with ground as in forewings ; median and 

 second line indistinctly indicated. Wings of ? mixed with 

 brown and whitish. 



Britain to Forfar, Ireland, common ; C. Europe, N. Asia, 

 Japan; 2, 3. Larva pale brown ish-ochreous, pale green, or 

 olive-green ; dorsal line white or yellowish, double ; subdorsal 

 whitish ; sometimes a dorsal series of brown marks : on oak ; 5, 6. 



2. H. marginalia, Bkh. (progemmaria, Hb.) 31-37 mm. 

 Forewings whitish-ochreous, mixed with brownish-ochreous and 

 sprinkled with dark fuscous ; first and median lines indistinct, 

 fuscous, first slightly curved, median nearly straight ; second 

 dark fuscous, sinuate on upper half, often followed by a 

 brownish band; a fuscous discal spot; termen black-dotted. 

 Hindwings pale whitish-ochreous, fuscous-sprinkled ; discal dot 

 and second line grey. Wings of $ brownish, with black trans- 

 verse lines, hindwings longer than forewings. 



Britain to Aberdeen, Ireland, common ; C. Europe ; 2, 3. 

 Larva light brown, grey, or greenish-ochreous, darker-marked ; 

 dorsal line pale, dark -edged ; spiracular pale ; head reddish- 

 brown : on hazel, Salix, etc. ; 5, 6. 



3. H. aurantiaria, Esp. 35-40 mm. Forewings ochreous- 

 orauge, strigulated with fuscous; lines light purplish -fuscous, 

 first slightly curved, median straight, second sinuate on upper 

 half, sometimes followed by a pale brownish shade ; praesub- 

 tenninal sometimes brownish ; a light fuscous discal spot. 

 Hindwings whitish-ochreous, margins orange - tinged ; median 

 and second lines as in forewings ; a dark grey discal dot. 

 Wings of $ dark brown, with black transverse lines. 



Britain to Aberdeen, Ireland, rather common ; C. Europe ; 

 10, 11. Larva dull greenish - blackish ; dorsal line yellow or 

 pale brown : on elm, oak, birch, etc. ; 5, 6. 



4. H. defoliaria, Cl. 35-40 mm. Antennal pectinations 

 short, fasciculated. Forewings whitish-ochreous or light 

 reddish-ochreous, strigulated with dark fuscous ; lines blackish, 

 sometimes obsolete, first angulated, second angulate- sinuate, 

 first preceded and second followed by a reddish-ochreous band ; 

 usually a blackish discal spot. Hindwings whitish-ochreous, 

 sprinkled with grey ; a dark grey discal dot. $ apterous. 



