Bulletin of the New York State College of Forestry at Syracuse University, Vol. 26

Angebote / Angebote:

Excerpt from Bulletin of the New York State College of Forestry at Syracuse University, Vol. 26: Some Insect Enemies of Shade Trees and Ornamental Shrubs I. Introduction II. How Insects are injurious to trees A. Leaf-eating Insects 1. The Apple-tree Tent-caterpillar 2. The Forest Tent - caterpillar 3. The Tussock Moth 4. The Mourning Cloak Butter¿y 5. The Elm Leaf-beetle 6. The Elm Leaf Miner B. Boring Insects 7. The Bronze Birch Borer 8. The Flat-headed Hemlock Borer. 9. The Elm Borer. 10. The Locust Borer 11. The Sugar Maple Borer 12. The Twig Pruner 13. The Mottled Poplar and Willow Borer 14. The White Pine Weevil 15. The Hickory bark-beetle 16. The Leopard Moth. 17. The Pigeon Tremex or Brown Horn-tail C. Sap Eating Insects Scale Insects (coccidae) 18. The San Jose Scale. 19. The Oyster Shell Scale 20. The Pine Leaf Scale. 21. The Scurfy Scale. 22. The Rose Scale 23. The Elm Bark Louse 24. The Cottony Maple Scale 25. The Black-banded Scale 26. The Tulip Tree Scale 27. Plant Lice III. Sprays and Spraying Apparatus A. Sprays in general: 1. Stomach Poisons. (a) Arsenate Of Lead. (b) Paris Green (c) London Purple 2. Contact Insecticides. (a) Kerosene Emulsion (b) Miscible Oils.. (c) Lime-sulphur (d) (e) (f) (g) About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.