94 
The caterpillar is dull brown, with a line along the 
back, and a row of brown dots on each side of it. 
The date of the appearance of the caterpillar is in 
May and June. 
It feeds on the roots of different grasses. 
The chrysalis is found in a cocoon of earth. 
This species also comes to a light. 
HYD1UECIA PKTASITIS. 
Plate XLYI. Figure 3. 
Localities for this species are Carron, Stirling, Carlisle, 
Failsworth, Edinburgh, Manchester, Liverpool. 
The situations where it is found are the banks of streams. 
The perfect insect appears in August. 
The caterpillar is dull whitish, with black dots. 
The date of the appearance of the caterpillar is in 
June and July. 
It feeds on, or rather in, the stems and roots of the 
burdock (Arctium lappa), and the butter bur (Petasites 
vulgaris). 
The chrysalis is found in a cocoon of earth. 
I1YDRA2CIA MICACKA. 
ROSY RUSTIC. 
Plate XLVL Figure 4. 
Localities for this species are York, Sutton-on-Derwent, 
Nunburnholme, Bromsgrove, the Isle of Man, Brighton, 
Lewisham, Carron, Stirling, Scarborough. 
