436 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE LIII 



Fig. 1. The Tulip Tree Lecanium (Towmeyella liriodendri). The partly 

 grown winter stage. Enlarged. 



Fig. 2. The mature female scales of the tulip tree lecanium. Slightly 

 reduced. 



Fig. 3. The Magnolia Scale (Neolecanium cornuparvum.) Mature female 

 scales enlarged about 2 diameters. 



Fig. 4. A magnolia bush in a dying condition from an attack of the mag- 

 nolia scale. 



