444 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE LVII 



THE COMMON RED SPIDER OB SPIDEE MITE 



( Tetranychus telarius ) 



In the five illustrations of this plate the pest is shown in all its stages of 

 development and all are drawings of the same magnification, about 125 

 diameters. 



Fig.l. Egg. 



Fig. 2. Larva. 



Fig. 3. Protonymph, dorsal view. 



Fig. 4. Deutonymph, dorsal view. 



Fig. 5. Adult female, dorsal view. 



After Ewing. 



