Insects Affecting Oak : 1. Egg mass of Anisota senatoria Abb. & Sm., on underside of oak leaf; 2. Egg shells of same on partly eaten leaf; 3. Shrunken larvae of same infested by parasite on leaf stalks showing the characteristed feeding of the insect; 4. Nearly full grown larvae of same; 5. Recently hatched larvae feeding side by side and showing the skeletonizing of the earlier stages; 6. Male; 7. Female depositing eggs; 8. Full grown larva of Buck moth, Hemileuca maia Drury; 9. Male of Hemileuca maia Drury; 10. Egg mass of same; 11. Cacoecia fervidana Clem.; 12. Nest of same, composed of partly eaten, curled leaves; 13. Serica trociformis Burm. on leaf; 14. Same; 15. Two spotted tree hopper, Euchenopa binotata Say; 16. Another peculiar tree hopper, Crchasia galeata Fabr; 17. Another tree hopper, Thelia acuminatga Fabr.; 18 Dog day cicata or Harvest fly, Cicada tibicen Linn. in its resting position; 19. Acorn weevil, Balaninus nasicus Say, natural size; 20. Same
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