184 The Scottish Naturalist. 



is not concave below the tip, in spadicea it is always slightly but distinctly- 

 concave. 



SCOPELOSOMA Curt. 



SATELLITIA L. Common. Nemoral. 



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



West. Sohvay Clyde g West-Ross o 



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

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

 British. 



Time of Appearance — Imago. October-April. Larva. May, June. 

 Food-plant. Trees (and low plants). 



The difference in colour of the reniform stigma is often considered as a sexual 

 distinction. This is not the case. 



XANTHIA Ochsen. 



FTJLVAGO L.j cerago F. Common. Nemoral. Ascends to 

 1200 feet. 



Distribution— East. Tweed Forth Tay Dee Moray §00 



West. Solway Clyde 8 8° 



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



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



British. 



Time of Appearance — Imago. September. Larva. April-June. Food- 

 plant. Sallow catkins, sallow and low plants. 



Ab. Havescens Esp. No purplish markings except the lower 

 end of the reniform stigma. Not uncommon. 



FLA v AGO F. (1787) ; silago Hb. (after 1800). Not un- 

 common. Nemoral. 



Distribution — East. Tweed Forth Tay Dee Moray 000 



West. Solway Clyde 8 ° • ° 

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



Sweden, &c.) Type. Central.' Type in Britain. 



British. 



• Time of Appearance— Imago. September. Larva. April-June. Food- 

 p^ant. Sallow catkins, sallow and low plants. 



X. gilvago Esp. is said to have occurred in Sutherland ; citrago L., and 

 aurago F., may occurjin the south. 



(To be continued. J 



