86 PLATE. CCXVL 



The Caterpillar of this Infect is generally found under the bark 

 of the willow and fallow, or on the rofe. It is probable there arc 

 two broods of it in the year, being fometimes taken in the winged 

 ftate early in the fummer, but more commonly in the month of 

 October ; this is the more likely, as the Englifh Aurelians firft called 

 it the Herald, from an idea that its appearance warned them of ap- 

 proaching winter. • 



This Infect remains about twenty-eight days in the pupa flare, 

 the Caterpillar not being found till the beginning of September. 



