Saturniidae 



leucine?. These subfamilies may be discriminated by the help of 

 the following Key: 



Hind wings with one distinct internal vein. 

 Discal cell of both wings open 

 Discal cell of both wings closed 



Hind wings with two distinct internal veins 



AttaciruE. 

 SatiirniincE. 

 Hemileiictna:. 



Fig. 36. Philosamia cynthta. 



a. Eggs; b. Larva; c. Cocoon; d. Pupa; e. Moth. 

 (After Riley.) 



8l 



