DEMAS. 



205 



American species are also included in this genus, which is of 

 somewhat doubtful position, having been referred by different 

 authors to the NotodoniidcB^ Lasiocampidce^ or Noctiice, as well 

 as to the Liparidx. The name Colocasia is properly rejected 

 by Stephens on account of its having been previously used in 

 Botany. 



THE NUT-TREE TUSSOCK. DEMAS CORYLI. 



Bomhyx coryli, Linnseus, Syst. Nat. (ed. x.) i. p. 503, no. 2>2f 

 (1758); id. Faun. Suec. p. 333(1761); Esper, Schmett. iii. 

 p. 252, Taf. 50, figs. 1-5 (1785). 



Nodua coryli^ Hiibner, Eur. Schmett. iv. figs. 17, 18 (1799); 

 Duponchel, Lepid. France, vi. p. 180, pi. 84, fig. 6 (1826). 



The Nut-Tree Tussock. 



Demas coryll^ Stephens, 111. Brit. Ent. Haust. ii. p. 60 (1828); 

 Kirby, Eur. Butterflies and Moths, p. 147 (1880); Buckler, 

 Larvse of Brit. Lepid. iii. pi. ^Z, fig. 3(1889); Barrett, 

 Lepid. Brit. Isl. ii. p. 323, pi. 82, figs. 2, 2^^-^(1895). 



Orgyia coryli, Treitschke, Schmett. Eur. x. (i) p. 178 (1834). 



The Nut-Tree Tussock is found throughout the greater part 

 of Europe. It expands from i^^ to 1}^ inch. It is a reddish- 

 brown Moth, with the outer half of the fore-wings ashy-grey. 

 There are several black zig-zag transverse lines, an orbicular 

 stigma enclosed in a black ring, and a reniform stigma, which is 

 bounded with black towards the l)ase. The hind-wings are 

 pale brown without any markings. 



The full-grown larva is liglit reddish-brown or pale flesh- 



