48 



dersfield, Bristol, Halton, Cambridge, Burton-on-Trent, 

 Lower Guiting, Exeter. 



The perfect insect appears in June, July, and September. 



The caterpillar is dull green, with two white streaks 

 along the back; the fifth and sixth segments have a tri- 

 angular-shaped mark pointing towards the head, the twelfth 

 has a dark green spot encircled with black; the side line 

 white with some white streaks slanting from it upwards. 



The date of the appearance of the caterpillar is in 

 July, August, and September. 



It feeds on the stinging nettle ( Urtica urens). 



The chrysalis is found in a cocoon of silk mixed 

 with moss. 



PLUSIA ORICHALCEA. 



SCARCE BURNISHED-BRASS. 



Plate LXVIII. Figure 12. 



Localities for this species are Charmouth, Glanvilles' 

 Wootton, Hethersett, Newbury, Manchester, Craford, 

 Ashdown Forest, Plymouth, Deal, Dursley. 



The perfect insect appears in August. 



The caterpillar is green, with a white line along the 

 back, edged with a waved streak; the side line broad, 

 and white edged above with dark green; the spots white. 



The date of the appearance of the caterpillar is in 

 June and July. 



It feeds on the hemp agrimony (Eupatoria cannabina.) 



The chrysalis is enclosed in a loose cocoon of silk. 



