The Hessian Fly (Classic Reprint)

Author:   Francis Marion Webster
Publisher:   Forgotten Books
ISBN:  

9781334554094


Pages:   36
Publication Date:   10 January 2019
Format:   Paperback
Availability:   In stock   Availability explained
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The Hessian Fly (Classic Reprint)


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Overview

Excerpt from The Hessian Fly Mr. Herrick described the egg, and both he and Mr. Tilghman oh served and recorded the method and place of oviposition, both stating that the eggs were placed on the upper sides. Of the leaves in the long creases or furrows thereon. Prof. Riley, however, records8 the fact that this is not always the case, but that the spring brood of flies at least some times push their eggs under the sheath and between it and the straw. As to the number of Eggs placed at one time, Mr. James Worth stated that he had counted 208 eggs on a single leaf.9 Mr. Herrick says that'the number varies from one to thirty. Prof. Riley says the eggs are placed in irregular rows, Ordinarily of five or ten in each row. Prof. A. J. Cook, however, states that the female rarely deposits more than three eggs with out changing her position, and generally but one. 1 Degrees He does not definitely state that no more are deposited on each leaf, but states that In case she lays but one it takes less than a quarter of a minute and less than half a minute to lay three, when they are all laid without a change of position on the part of the fly. After laying she seems to draw in her ovipositor, soon to extend it again; at the same time crowding into it the one, two or three eggs that are next to be laid. She then flies to another leaf, alighting usually, not always, with her head toward the end of the leaf. 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.

Full Product Details

Author:   Francis Marion Webster
Publisher:   Forgotten Books
Imprint:   Forgotten Books
Dimensions:   Width: 15.20cm , Height: 0.20cm , Length: 22.90cm
Weight:   0.064kg
ISBN:  

9781334554094


ISBN 10:   1334554099
Pages:   36
Publication Date:   10 January 2019
Audience:   General/trade ,  General
Format:   Paperback
Publisher's Status:   Unknown
Availability:   In stock   Availability explained
Limited stock is available. It will be ordered for you and shipped pending supplier's limited stock.

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