. Annual report of the Fruit Growers' Association of Ontario, 1902 . ar or Cherry Slug (Eriocampa cerasi.) 3. Shining black plant-lice, infesting the terminal twigs chiefly, which become distorted and discolored. Cherry Aphis (Myzus cerasi). 4. Large bluish-green caterpillar, 2 inches long, withblue warts on each segment, and coral-redbnes on3rd and 4th segments. Promethea Moth (Callosamia promethea),Fig. 102. 5. Large pale-green spiny caterpillar, striped on eacheach side with white and lilac. lo Moth (Hyperchiria lo). 6. Caterpillars in colonies protected by webs in forks ofbranches, in spri
. Annual report of the Fruit Growers' Association of Ontario, 1902 . ar or Cherry Slug (Eriocampa cerasi.) 3. Shining black plant-lice, infesting the terminal twigs chiefly, which become distorted and discolored. Cherry Aphis (Myzus cerasi). 4. Large bluish-green caterpillar, 2 inches long, withblue warts on each segment, and coral-redbnes on3rd and 4th segments. Promethea Moth (Callosamia promethea),Fig. 102. 5. Large pale-green spiny caterpillar, striped on eacheach side with white and lilac. lo Moth (Hyperchiria lo). 6. Caterpillars in colonies protected by webs in forks ofbranches, in spring. American Tent Caterpillar (ClisiocampaAmericana), and Forest Tent Caterpil-lar (not in webs). 7. Caterpillars in colonies not protected by webs cov-ering the leaves in summer and early autumn, Fall Weh-Worm (Hyphantria cunea).And other insects, most of which also attack theleaves of apple. D, Attacking the Fruit : 1. Making a crescent cut on the cherry ; grub, whiteand footless, with a brownish horny head, feedingwithin. Plum Curculio (Conotrachelus nenuphar).. Fi^r. promethea caterpillar. 2. Yellowish white maggots feeding on the pulpy juices near the pit, inducing a rotting.(Cornell Bull. 172). Cherry Frit Fly (Rhagoletis cingulata).8 EN. 114 THE REPORT OF THE No. 19 Key to Peach Insects. A. Attackin<i the Root and Lower Trunk : 1. Tunneling in the bark and sap-wood of the root, causing an exudation of gum, which isseen at base of tree mingled with the Tree Borer (Sannina exitiosa). B. Attacking the Trunk and Branches : 1. In early spring, a minute caterpillar bores into the shoots of new leaves, killing the growing terminals. Peach Twig-Borer (Anarsia lineatella). 2. Black hemispherical scales attached to the bark. Peach Tree Lecanium (Lecanium persicae). 3. A beetle eating the buds, and gnawing into the base of thetwigs, causing them to break and fall. New York Weevil (Ithycerus noveboracensis),Fig. 103. 4. Round scales, gray or black, t
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