Annotated List of ELM Insects in the United States (Classic Reprint) PDF Download
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Author: Clarence Howard Hoffmann
Publisher: Forgotten Books
ISBN: 9780428799724
Category : Science
Languages : en
Pages : 30
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Book Description
Excerpt from Annotated List of Elm Insects in the United States Tibicen pruinosa (say). Oviposits in both green and dead tissue. Tibicen pruinosa (say) var. Fulva Beamer. One female observed while making several punctures in the heavy bark of a green elm limb about 4 inches in diameter. Also lays eggs in dead tissue. 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.
Author: Clarence Howard Hoffmann
Publisher: Forgotten Books
ISBN: 9780428799724
Category : Science
Languages : en
Pages : 30
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Book Description
Excerpt from Annotated List of Elm Insects in the United States Tibicen pruinosa (say). Oviposits in both green and dead tissue. Tibicen pruinosa (say) var. Fulva Beamer. One female observed while making several punctures in the heavy bark of a green elm limb about 4 inches in diameter. Also lays eggs in dead tissue. 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.
Author: Clarence Howard Hoffmann
Publisher:
ISBN:
Category : Elm
Languages : en
Pages : 18
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Book Description
Author: Clarence Howard Hoffmann
Publisher:
ISBN:
Category : Elm
Languages : en
Pages : 20
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Book Description
Author: Ephraim Porter Felt
Publisher: Forgotten Books
ISBN: 9780331843439
Category : Science
Languages : en
Pages : 60
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Book Description
Excerpt from Elm-Leaf Beetle in New York State This bulletin was prepared, first to bring prominently before the public the very destructive nature of this imported insect, and second to demonstrate that it can be controlled without great expense, provided intelligent direction is given to the matter. The life-history and habits Of this beetle have been given some what in detail because unless they are thoroughly understood, it is very easy to adopt means that are only partially successful or futile. In order to give the bulletin a more practical value, short accounts have also been included Of three other insects, which, working with the elm-leaf beetle, have aided greatly in ruining many noble elms. In the portion devoted to remedies prominence has been given to the cost of spraying per tree, the proper apparatus and the time and manner of application. It is surprising to see what mis takes some men make in dealing with insects and how they cling to methods of no value. To offset this tendency, two of the more common fallacies are mentioned and their futility shown. 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.
Author: Frank Cooper Craighead
Publisher: Forgotten Books
ISBN: 9781396196805
Category : Science
Languages : en
Pages : 38
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Book Description
Excerpt from An Annotated List of the Important North American Forest Insects Little in the way of investigation of insects affecting shade and ornamental trees and hardy shrubs Is done at the present time, and most of the effort in this work is expended in service. There is a great and increasing demand from municipal authorities, estate owners and managers, small property owners, tree surgeons, and nurserymen for advice on methods of handling their entomological problems. The division of forest insects attempts to meet this demand by correspondence, publications, and occasional surveys and studies. Whenever possible, observations are made on important species and, where practical, experiments in methods of control and improvements in such methods are conducted. 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.
Author: Frank Cooper Craighead
Publisher: Forgotten Books
ISBN: 9780484253840
Category : Science
Languages : en
Pages : 628
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Book Description
Excerpt from An Annotated List of the Important North American Forest Insects: May, 1930 This list includes those species Of forest insects which are of the greatest economic importance at the present time. In the discussion of each species the common and technical names are given. There is added some information on the occurrence of the insect, the char acter of damage or notable epidemics, and the most important or available references to it in literature. For the convenience Of those not acquainted with the systematic classification Of insects, the species listed have been arranged in groups according to the type of damage, such as bark beetles, leaf feeders, etc., and these groups are further subdivided as necessary. 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.
Author: George Henry Perkins
Publisher: Forgotten Books
ISBN: 9780332145365
Category : Science
Languages : en
Pages : 100
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Book Description
Excerpt from Insects Injurious to the American Elm Professor of Natural History in the University 01 Vermont. Entomologist to the State Agricultural Experiment Station. 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.
Author: Ephraim Porter Felt
Publisher: Forgotten Books
ISBN: 9781333268497
Category : Science
Languages : en
Pages : 234
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Book Description
Excerpt from White Marked Tussock Moth and Elm Leaf Beetle Parasitic insects are also very efficient checks. This species is subject to attack by some 21 primary parasites and these in turn may become the prey of 14 hyperparasites. 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.
Author: Lester P. Gibson
Publisher:
ISBN:
Category : Elm
Languages : en
Pages : 12
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Book Description
Author: Edith Marion Patch
Publisher: Forgotten Books
ISBN: 9780266799610
Category :
Languages : en
Pages : 32
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Book Description
Excerpt from Elm Leaf Rosette and Woolly Aphid of the Apple Mr. Alwood (1904) Of the Virginia State Crop Pest Com mission in his excellent, account of this insect states On nur sery stock the woolly aphis is a most serious pest, and under some circumstances it ruins a large percentage of the apple trees in the nursery. On page 5 of Bulletin 133 of the Colorado Experiment Sta tion the following statement is made. 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.
