412 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XLI 



Fig. 1. The Hickory Horned Devil or Regal Walnut Caterpillar (Cither onto, 

 regalis). Larva about four-fifths of natural size. 



After Packard. 



Fig. 2. The Imperial Moth (Basilona imperialis). Caterpillar about 

 natural size. 



After Felt. 



