PLATE CCXXXII. 43 



The larva of P. Quercifolia we have taken in Darent Wood, 

 Kent, on the grafs ; ii feeds alfo on Willow^, Bhickthorn, and 

 Whitethorn. At the end of April, or not later than May, it forms 

 a large and loofe fpinning interwoven with its hairs, of black, 

 reddifli, and grey colours. The pupa is black, but appears perfe6lly 

 white, being covered with a fine white pollen, or powder ; each feg- 

 ment is encircled by a belt, of a red colour. In July and Auguit it 

 is found in the Fly ilate. 



PLATE 



