398 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XXXIV 



THE CATALPA SPHINX 

 (Ceratomia catalpae) 



a. Egg mass on underside of leaf. 



b. Newly hatched larvae feeding upon epidermis of leaf. 



c. A larva about one-third grown. 



e, f, h. Larvae showing the different types of marking. 



j. Pupa. 



k. Moth, slightly less than natural size. 



1. Egg, much enlarged. 



After Riley. 



