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line along the back, and another of the same colour 
on each side below it, bordered above with a row ot 
white dots ; the side line white. 
The date of the appearance of the caterpillar is in 
June and July. 
It feeds on the dock (Rumex pratensis). 
The chrysalis is enclosed in a loose cocoon of earth. 
TiENIOCAMPA INSTABILIS. 
CLOUDED DRAB. 
Plate LVJI. Figure 2. 
Localities for this common species are York, Sutton- 
on-Derwent, Bromsgrove, Brighton, Faversham, Rau- 
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 
