150 



The caterpillar is at first green, but afterwards becomes 

 dull reddish, or brownish. 



The date of the appearance of the caterpillar is in 

 October and on to May. 



It feeds on heather at first, and afterwards on different 

 low plants. 



The chrysalis is found below the surface. 



NOCTUA XANTHOGRAPHA. 



SQUARE-SPOT RUSTIC. 



Plate LVL Figure 6. 



Localities for this excessively common and very variable 

 species are York, Nunburnholme, Sutton-on-Derwent, 

 Charmouth, Brighton, Falmouth, Faversham, Black Park, 

 Exeter, Manchester, Isle of Man, Bowdon, Cambridge, 

 Sherwood Forest, Chester, New Brighton. 



The situations where it is found are woods, hedge-sides, 

 gardens, etc. 



The perfect insect appears in August. 



The caterpillar is dull greyish yellow, with a paler line 

 along the back; the side line whitish, with a row of 

 black spots over it. 



The date of the appearance of the caterpillar is in 

 November, and through the winter to April. 



It feeds on grass. 



The chrysalis is subterranean. 



