230 The Scottish Naturalist. 



Distribution — East. o o Tay Dee Moray goo 



A Vest. Solway o o ° 



Lat. 54°5o"-57°4o". Range in Europe. West central* 



Type. Occidento-central. Type in Britain. British. 



Time of Appearance— Imago. August. Larva. September-May. 

 Food-plant. Heather and low plants. 



Two forms are distinguished by Staudinger — the typical castanca, which 

 is reddish brown, and the var. neglecla, which is grey. The former is the 

 less common. In Scotland both occur, as well as intermediate forms. 



baja E. Common. Nemoral. Ascends to 1200 feet. 

 Distribution — East. Tweed Forth Tay Dee Moray g 



West. Solway Clyde Argyle g 



Lat. 54°4o"-57°4o". Range in Europe. Central and 



northern. Type. Centro-septentrional. Type in 



Britain. British. 



Time of Appearance — Imago. July, August. Larva. September- 

 May. Food-plant. Low plants. 



SOBRINA Gn. Rare. Nemoral and ericetal. 



Distribution — East. o o Tay g 



T o o ° ° 



l. u u Q 





 



Lat. 56°4o" Range in Europe. Central Germany, Switzer- 

 land, and Central Russia (the var. Gruneri is alpine and 

 boreal). Type. Boreal. Type in Britain. Scottish. 



Time op Appearance — Imago. July, August. Larva. ? 



Food-plant. ? 



I have not seen many enough specimens to say whether they should be 

 referred to the type or to the var. Gruneri, but I should be almost inclined 

 to consider that they form another var. 



xanthographa F. Common. Agrestal, pascual, nemoral. 



Ascends to 1300 feet. 

 Distribution — East. Tweed Forth Tay Dee Moray goo 



West. Solway Clyde g g o 



Lat. 54°4o"-57°4o". Range in Europe. Central (to Sweden?) 

 and south-west. Type. Central. Type in Britain. 

 British. 

 Time of Appearance — Imago. July-September. Larva. September- 

 June. Foot Plant. Low plants. 



Very variable ; hind wings often altogether dark, not always, as de- 

 scribed, whitish with a darker border. 



