178 The Scottish Naturalist. 



Ab. lepida. Usually rather smaller than the typical form; 

 wings darker, nearly unicolorous. Stain ton's Manual I., 183 

 (under A. salicis; exclude description of larva, which is that of 

 the ab. of i?ienyanthidis). Newman's Brit. Moths 255, (fig). 



menyanthidis View. Not uncommon. Ericetal. Ascends 



to upwards of 1000 feet. 

 Distribution — East. Tweed Forth Tay Dee Moray § o o 



West. Solway Clyde Argyle West-Ross o 



Lat. 54°4o"-57°5o". Range in Europe. Central and 



northern. Type. Centro-septentrional. Type in Britain. 



British. 



Time of Appearance — Imago. June, July. Larva. August-Septem- 

 ber. Food-plant. Heather, sallow, Myrica, Menyanthes, &c. 



Ab. salicis Curtis. Darker, wings nearly unicolorous. Tros- 

 sachs. 



PSI L. Common. Agrestal, nemoral. 



Distribution — East. Tweed Forth Tay Dee Moray 000 



West. Solway Clyde § West-Ross o 



Lat. 54°4o"-57°5o". Range in Europe, Nearly throughout. 



Type. European. Type in Britain. British. 



Time of Appearance — Imago. June-August. Larva. August- October. 

 Food-plant. Various trees and shrubs, 



leporina L. Not very common. Nemoral. 



Distribution — East. Tweed o Tay o Moray 000 



West. Solway Clyde Argyle o o 



Lat. 54°4o"-58°. Range in Europe. Central and northern. 

 Type. Centro-septentrional. Type in Britain. British. 



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

 Food-plant. Birch, alder. 



From their European distribution the following species should occur in 

 Scotland, and probably some of them may yet be found : — aceris L., euphorbia 

 F. , auricoma F., alni L., and trideiis Schiff. 



DEMAS Stph. 

 coryli L. Not uncommon. Nemoral. 



Distribution — East, g Forth Tay Dee Moray Sutherland o o 



West. Solway Clyde Argyle West-Ross g 



Lat. 54°4o"-58°3o". Range in Europe. Central and northern. 



Type. Centro-septentrional. Type in Britain. British. 



