( 
THE COLORADO EXPERIMENT STATION 
PLATE 3. 
Fig. 1—Grape leaf showing bleached, appearance due to grape-leaf hopper. 
Fig. 2—Eight-spotted Forester (Alypia 8-maculata): A, moth; B, larva. 
(Typhlo- 
Nearly life 
Fig. 8—Appie twigs iniured by Buffalo Tree-hopper (Ceresa sp.) Life size. 
Fig. 4—Eggs of apple, plant-louse on apple twigs. Natural size. Photos by author. 
