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 inclusd). A full-grown larva 

 a little more than twice natural size. 



