70 



The date of the appearance of the caterpillar is in 

 March, April, and May. 

 It feeds on lichens. 



BOMBYCODm 



DIPHTHERA ORION. 



SCARCE MARVEL-DE-JOUR. 



Plate XLI. Figure 4. 



Localities for this species are Brighton, Whippingham 

 in the Isle of Wight, Alverstone, Bere Forest, the New 

 Forest, Hooton near Birkenhead, Darlington, Lyndhurst, 

 Tenterden, Worthing. 



The situations where it is found are woods. 



The perfect insect appears in May and June. May 

 24, June 25. 



The caterpillar is of a " reddish or yellowish grey, with 

 curved silky hairs ; the back black, interrupted by large 

 oval spots of pale yellow." 



The date of the appearance of the caterpillar is in 

 August and September. 



It feeds on the oak. 



The chrysalis is found in a cocoon. 



