Download or read book Large Larch Sawfly Nematus Erichsonii With an Account of Its Parasites Other Natural Enemies and Means of Control written by Canada. Experimental Farms Service and published by Department of Agriculture, Experimental Farms. This book was released on 1912 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Large Larch Sawfly Nematus Erichsonii written by Charles Gordon Hewitt and published by Forgotten Books. This book was released on 2017-10-27 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Large Larch Sawfly (Nematus Erichsonii): With an Account of Its Parasites, Other Natural Enemies and Means of Control It has been found in several isolated localities in England and Wales and specimens were sent to me in 1908 from Dumfrieshire in Scotland, but the depredations of the insect are most serious in the Lake District, where over trees had died by 1909 by repeated defoliation. A detailed account of this infestation has already been given by macdougall and myself More recently the Board of Agriculture and Fisheries have given an account of the distribution, from which it appears that the area of infestation is spreading, which I also found to be the case during a recent visit to England (j an. 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.

Download or read book A Host parasite Catalog of North American Tachinidae Diptera written by Paul Henri Arnaud and published by . This book was released on 1978 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Tachinidae are the most important of the dipterous families with entomophagous habits. Though often little noticed, these flies have an important role in controlling phytophagous Insecta.

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Download or read book Entomophagous Insects written by Curtis Paul Clausen and published by . This book was released on 1940 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hymenoptera. Diptera. Lepidoptera. Strepsiptera. Coleoptera. Hemiptera. Thysanoptera. Trichoptera. Mecoptera. Plecoptera. Neuroptera. Odonata. Corrodentia. Orthoptera. Dermaptera. Thysanura.

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Download or read book Entomological Bulletin written by and published by . This book was released on 1912 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Journal of the Ministry of Agriculture and Fisheries written by Great Britain. Ministry of Agriculture and Fisheries and published by . This book was released on 1912 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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