PLATE LIV. 



Fig. 1.- Automeris coresus (Boisduval). Larva; last stage. Buenos Ayres. Amer. Mus. Nat. History, la, median 



tubercle on eighth abdominal segment; lb, prothoracic dorsal; lo, third thoracic dorsal. 

 Fig. 2. — Automeris viridescens (Walker). Larva; third stage? Buenos Ayres. 2a, from prothoracic segment; lib, 



second thoracic dorsal; 2c, eighth median abdominal. 

 Fig. 3. — Automeris viridescens. Larva; penultimate stage. 3a. from second dorsal segment; 3I>, median tubercle of 



eighth abdominal segment. 

 Fig. 4.- Hyperchiria varia Walker. [Generally considered a synonym of Automeris io.] From a dried specimen. 



Details of head and wings. 

 Fig. 5.- Automeris io (Fabricius). S ■ 

 Fig. (i. — Coloradia pandora Blake. <S . California. 



Fig. 7. — Coloradia {Eudyaria) venata (Butler). 9- Buenos Ayres. 7a, hind wing. 

 Fig. 8. — Coloradia (Eudyaria) venata. Larva; last stage. Tubercles. 8a, prothoracic dorsal; 8b, third thoracic 



dorsal; 8c, median on eighth abdominal segment, bilaterally symmetrical. 

 384 



