the side line grey; the divisions between the segments 

 whitish. 



The date of the appearance of the caterpillar is in 

 July and August. 



It feeds on the Hawkweed (Hieradum pilosella), and 

 the Sow-thistle ( ' SoncTius arvensisj. 



The chrysalis is found enclosed in a cocoon beneath 

 the earth. 



p o L i A CHI. 



JULY CHI. 

 Plate LXI. Figure 6. 



Localities for this species are York, Kotherham, Sad- 

 dleworth, Scarborough, Dewsbury, Isle of Man, Bowdon, 

 Manchester, Plymouth, Stowmarket, Bolton, Darlington, 

 Huddersfield, Preston, Edinburgh, Burton-on-Trent, 

 Dunoon, Birkenhead. 



The situations where it is found are woods. 



The perfect insect appears in August and September. 



The caterpillar is light green on the back, darker green 

 on the sides, with a whitish line on each side below the 

 back; the side line whitish yellow. 



The date of the appearance of the caterpillar is in 

 May. 



It feeds on the Sow-thistle (Sonchus arvensis); also 

 on the lettuce, etc. 



The chrysalis is enclosed in a subterranean cocoon. 



