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. 



HYDR^SCIA PETASITIS. 

 Plate XL VI. 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. 



HYDRJEC1A MICACEA. 



ROSY RUSTIC. 

 Plate XLVI. Figure 4. 



Localities for this species are York, Sutton-on-Derwent, 

 Nunburnholme, Bromsgrove, the Isle of Man, Brighton, 

 Lewisham, Carron, Stirling, Scarborough. 



