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ENTOMOLOGICAL SOCIETY 



113 



2. A small beetle boring into the branches just above a bud, and burrowing downwards. 



Apple-Twig- Borer (Amphicerus bicaudatus), Figs. 100, 101. 



3. A flattened grub tunneling in the bark and sap-wood ; beetle bronzy metallic. 



Divaricated Buprestis (Dicerca divaricata). 



4. Large sucking insect with transparent wings 



inflicting wounds on the smaller limbs, and 

 depositing eggs therein, in August and Sep- 

 tember. 



Dog-day Cicada (Cicada tibicenj. 



5. Small circular scales, black in winter, with a 



circular depression about a central nipple. 



San Jose scale (Aspidiotus perniciosus). 



Fig. 101. Twigs showing work of Borer. 



Attacking the Leaves : 



1. A small beetle feeding on the leaves of red cherry. 



Cherry-Leaf Beetle (Galerucella clavicollis). 



2. A slug, shiny, dark -green, ^-inch long, feeding on soft tissues leaving the veins. 



Pear 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, with 

 blue warts on each segment, and coral-red ones on 

 3rd and 4th segments, 



Promethea Moth (Callosamia promethea), 

 Fig. 102. 



5. Large pale-green spiny caterpillar, striped on each 

 each side with white and lilac. 



lo Moth (Hyperchiria lo). 



6. Caterpillars in colonies protected by webs in forks of 

 branches, in spring. 



American Tent Caterpillar (Clisiocampa 

 v^ Americana), 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 Web-Worm (Hyphantria cunea). 

 And other insects, most of which also attack the 

 leaves of apple. 



D. Attackiiuj the Fruit : 



1. Making a crescent cut on the cherry ; grub, white 

 and footless, with a brownish horny head, feeding 

 within. Plum Curcidio (Conotrachelus nenuphar). 



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. 



Fig. 102. 

 Callosamia promethea caterpillar. 



