386 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XXVIII 



CANKEEWORMS 



(Alsophila pometaria) 

 (Palcacrita vernata) 



Fig. 1. — Male and female moths caught on a band of sticky tanglefoot. 



Fig. 2. — Typical foliage injury by well grown cankerworm larvae. 



Fig. 3. — ^A woodland near Cleveland, Ohio, practically defoliated by canker- 

 worm larvae. Photograph, May 28, 1918. 



