406 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XXXVIII 



Fig. 1. — The Viceroy {Basilarchia dissippus). A full-grown larva enlarged 

 a little more than 2 diameters. 



Fig. 2. — The Red-Humped Oak Worm (Symmerista albifrons). A full- 

 grown caterpillar slightly enlarged. 



Fig. 3. — The Red-Humped Apple Worm (Schizura concinna). A fully 

 developed larva about twice natural size. 



Fig. 4. — The Poplar Leaf-Tver {Melalopha inclxisa). A full-grown larva 

 a little more than twice natural size. 



