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Author: E. R. Van Leeuwen
Publisher:
ISBN:
Category : Japanese beetle
Languages : en
Pages : 16
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Book Description
Author: E. R. Van Leeuwen
Publisher:
ISBN:
Category : Japanese beetle
Languages : en
Pages : 16
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Book Description
Author: Frederick William Metzger
Publisher: Forgotten Books
ISBN: 9780332866826
Category : Technology & Engineering
Languages : en
Pages : 20
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Book Description
Excerpt from Traps for the Japanese Beetle and How to Use Them Every year many individuals in the area heavily infested by the beetle inquire, Shall I use traps, and if so, what may I expect to gain by their employment? This question must be considered from several angles, and the prospective location of each trap presents an individual, problem. Traps have been used for several years, and many millions of beetles have been captured annually. Many users of traps have been entirely satisfied with the results and have stated their belief that the traps did not increase the beetle infestation on their properties. In direct contradiction to this other persons have reported a greater infestation with traps than without them, with an increased amount of injury to fruit and foliage. Doubtless both results have been obtained and were caused, to a. Considerable extent, by the type and placement of the equipment used, and also by local conditions. Another belief which is wide-spread is that a trap has the power to attract beetles from a considerable distance. The attractive power of a trap is determined very largely by atmospheric conditions, one of the most important of which is the velocity of the wind. Air currents are necessary to carry the attractive vapors, and in a light breeze the zone of attraction is comparatively small. If a trap is so located on a property that the odor of the attract ants is carried across an Open field (fig. 1, B), it is quite possible that beetles may be attracted from a distance of from 300 to 500 yards under favorable atmospheric conditions. The zone of attrae tion is comparatively limited, however, in residential sections (fig. 1, A), where trees, houses, and other buildings tend to deflect or im pede air currents. In such cases traps attract beetles only from the immediate vicinity of the property on which they are located. 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: Frederick William Metzger
Publisher:
ISBN:
Category : Insect traps
Languages : en
Pages : 12
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Book Description
Author: Frederick William Metzger
Publisher:
ISBN:
Category : Insect traps
Languages : en
Pages : 12
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Book Description
Author: Frederick William Metzger
Publisher:
ISBN:
Category : Insect traps
Languages : en
Pages : 8
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Book Description
Author: E. R. Van Leeuwen
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Earl R. Van Leeuwen
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Book Description
Author: Walter Ernest Fleming
Publisher: Forgotten Books
ISBN: 9781528212540
Category :
Languages : en
Pages : 22
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Book Description
Excerpt from Controlling the Japanese Beetle The beetles first appear on their favorite food plants early in the summer. In eastern North Carolina they begin to come out in mid May, in the vicinity of Philadelphia about June 15, and in New Eng land about July 1 or later. Their numbers increase steadily for sev eral weeks. The period of greatest beetle activity lasts from 4 to 6 weeks. Then they gradually disappear. In eastern North Carolina most of the beetles are usually gone by the early part of August; in New England some are present until frost. 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: Walter Ernest Fleming
Publisher:
ISBN:
Category : Japanese beetle
Languages : en
Pages : 20
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Book Description
Author: Loren Bartlett Smith
Publisher: Forgotten Books
ISBN: 9780366262045
Category : Science
Languages : en
Pages : 78
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Book Description
Excerpt from The Japanese Beetle It is difficult to say definitely in What year the introduction cc curred. It is known that nursery stock with soil about the roots was imported prior to 1912 into the vicinity where the infestation was first discovered, and the indications are that a few larvae of the Japanese beetle were introduced about that time. Undoubtedly a very few larvae were sufficient for the establishment of the pest in this country. Since the insect was originally discovered it has spread steadily in all directions. This dispersion is the result not only of the natural tendency of the insect to move outward in search of food and suitable breeding places, as the density of infestation increases year by year, and to be carried by such natural agencies as winds and waterways, but also of transportation through the agency of men. The latter is brought about by the movement of farm products of various kinds from the heavily infested districts, by the passage of vehicles of all sorts, and by pedestrians along the roads through the more densely infested portions. 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.
