sei,it)osema] SELIDOSEMIDAE 263 



3. Median line of forewings blackish . 4. angularia. 



,, „ „ marked on costa only 



3. glahraria. 



4. Lines of hind wings obsolete . .1. ericetaria. 



„ „ present ' . .5. 



5. Second line of forewings projecting below middle 



1. repandata. 

 „ „ „ not projecting below middle 



5. gemniaria. 



1. S. ericetaria, Vill. (plwmaria, lib.) 34-36 mm. Head 

 brownish-ochreous, sometimes mixed with whitish. Antenna! 

 pectinations very long, 5 or 6 joints simple. Forewings 

 brownish-ochreous or whitish -fuscous, sprinkled with dark 

 fuscous, termen suffused with brownish ; first and second lines 

 faint, on costa dark fuscous ; median straight, fuscous, variably 

 distinct; praesubterminal cloudy, rather dark fuscous ; some- 

 times a dark fuscous discal spot beyond median. Hindwings 

 as forewings, but lines obsolete. 



Sussex to Dorset, Warwick, Cheshire, Arran, E. and S. 

 Ireland, local ; C. and S. Europe to Syria ; 7, 8. Larva wrinkled, 

 pale grey; dorsal line blackish-brown, double, on 5-12 swollen 

 in middle ; subdorsal pale ; spiracular pale, brown-edged : on 

 Calluna ; 9-4. 



2. S. repandata, L. 38-46 mm. Head grey mixed with 

 whitish and fuscous. Forewings light ochrcous-brown, sprinkled 

 with black and sometimes with whitish; first line curved, 

 median twice sinuate, dark fuscous, sometimes partly confluent; 

 second dark fuscous, roundly projecting above and below middle ; 

 subterminal waved, pale or whitish, partially dark-margined ; a 

 blackish discal spot before median. Hindwings as forewings, 

 but lines less marked, regular, discal dot beyond median. 



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

 Europe, N. and C. Asia to N. India and Japan ; 7. Larva 

 palo grecnish-ochrcous, brown-marked, sometimes suffused with 

 dark grey, dusted with yellow ; dorsal line brown or dark grey, 

 distinct on 2-4, often obsolete elsewhere; 5-12 sometimes with 

 pale dorsal diamonds : on oak, birch, blackthorn, etc ; 9-4. 



3. S. glabraria, Hb. 2G-29 mm. Head ochreous-white, fore- 

 head dotted with black. Forewings ochreous-white, sprinkled 

 with black ; first and second lines grey, black-dotted, forming 

 black costal spots, second twice sinuate ; subterminal waved, 

 partially thickly margined with blackish-grey ; an oval black 

 discal spot, joined with a blackish costal spot. Hindwings with 



