line along the back, and another of the same colour 



on each side below it, bordered above with a row of 



white dots; the side line white. 



The date of the appearance of the caterpillar is in 



June and July. 



It feeds on the dock (JRumex pratmsis), 



The chrysalis is enclosed in a loose cocoon of earth. 



T^NIOCAMPA 1NSTABIL1S. 



CLOUDED DRAH. 

 Plate LVII. Figure 2. 



Localities for this common species are York, Sutton- 

 on-Derwent, Bromsgrove, Brighton, Faversham, Han- 

 nock, Bowdon, and Cambridge. 



The situations where it is found are fields, etc. 



The perfect insect appears in March; March 17. 



The caterpillar is green, dotted with black; the line 

 along the back, the one below it, and the side line, 

 yellowish green. 



The date of the appearance of the caterpillar is in 

 May and June. 



It feeds on the oak, the willow, and the sloe. 



The chrysalis is found beneath the ground at the 

 root of trees, and is enclosed in a loose cocoon of earth. 



