INSECTS AND INSECTICIDES 
9 
PLATE I. 
Fig. 1—Western Tent-caterpillar: A, female moth; B, O, males. D, apple twig with 
egg masses (M). F, cocoon. 3, egg-mass of American Tent-caterpillar. Life size. 
Fig. 2—Cottony Maple scale: A, scales mostly hidden by secretion. Life size. 
Fig. 3—Codling moth: A, wings closed; B, open. Enlarged about I. 
Fig. 4—Apple showing white egg of Codling Moth (under letter F). Life size. 
Fig. 5—Fruit tree leaf roller: A, moth, wings open; B, closed. C, D, egg patches, 
hatched. All life size. 
Fig. 6—Pear with Howard’s Scale. The young appear as minute white specks. Life 
size. Figures from photos by the author. 
