70 
The date of the appearance of the caterpillar is in 
March, April, and May. 
BOMBYCOIDiE. 
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. 
