38o LKPlDOriKRA. 



<>i" — Similar to the type, but witli the ferruj,'inous ilorsal 

 line, or u series of red dorsal spots. 



When young the usual raised dots are often yellow, and 

 there are traces of yellow subdorsal lines. 



Another form — from .Scotland — is dull green, transversely 

 banded or barred on each segment with purplish-crimson, 

 and having a similarly coloured dorsal line : subdorsal, and 

 a line above the spiracles, very threadlike, whitish or yellow ; 

 spiracular line white, conspicuous where it edges the 

 anal Hap ; undersurl'ace bluish-white ; usual spots white 

 or pale grey, rather prominent ; head green dusted with 

 darker. 



Or -Almost unicolorous briglit green with a faintly thread- 

 like yellow subdorsal line, and wider yellow spiracular stripes; 

 undersurface bluish-white. (Chas. Fenu.) 



Mr. \V. Buckler's figures show the purple-barred forms in 

 various degrees, among those which are more ty])ical. all from 

 the South of England. 



March or .\pril to ^lay or the beginning of June; on sallow, 

 birch, oak, elm, hornbeam, hawthorn, blackthorn, fruit-trees, 

 wild rose and whortleberry : feeding princijially at night, but 

 remaining upon its food plant during the day. The winter 

 is passed in tlie egg-state. 



PlP.v stout ; anal extremity blunt, furnislied with a very 

 short spike ; reddish-brown ; wing- and limb-cases olive- 

 brown. Subterranean, in a compact egg-shaped silken cocoon. 

 (C. Fenn.) 



The moth is a lazy creature, sitting during the day in trees, 

 bushes, hedges, or any suitable shelter, or sometimes clinging 

 closely to a tree trunk or paling; if disturbed tJuttering to 

 the ground ; and at its natural time of llight. at dusk, ex- 

 hibiting no great activity, though the male is rather strongly 

 attracted by light, more rarely by sugar or ivy-bloom. Very 

 common everywhere in woods, less so in lanes and hedges, 

 throuirhout p]nijcland. AVales. and Ireland, and in Scotland to 



