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Author: George Vernon Hudson Publisher: ISBN: Category : History Languages : en Pages : 254
Book Description
"With a few exceptions this work only treats of what are, for the sake of convenience, termed the Macro-Lepidoptera. A similar work on the numerous and interesting species of Micro-Lepidoptera found in New Zealand may at some time be undertaken ..." -- Preface.
Author: George Vernon Hudson Publisher: ISBN: Category : History Languages : en Pages : 254
Book Description
"With a few exceptions this work only treats of what are, for the sake of convenience, termed the Macro-Lepidoptera. A similar work on the numerous and interesting species of Micro-Lepidoptera found in New Zealand may at some time be undertaken ..." -- Preface.
Author: G Hudson Publisher: Legare Street Press ISBN: 9781017472592 Category : Languages : en Pages : 0
Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: T. R. New Publisher: John Wiley & Sons ISBN: 9781118409213 Category : Science Languages : en Pages : 0
Book Description
The third in a trilogy of global overviews of conservation of diverse and ecologically important insect groups. The first two were Beetles in Conservation (2010) and Hymenoptera and Conservation (2012). Each has different priorities and emphases that collectively summarise much of the progress and purpose of invertebrate conservation. Much of the foundation of insect conservation has been built on concerns for Lepidoptera, particularly butterflies as the most popular and best studied of all insect groups. The long-accepted worth of butterflies for conservation has led to elucidation of much of the current rationale of insect species conservation, and to definition and management of their critical resources, with attention to the intensively documented British fauna ‘leading the world’ in this endeavour. In Lepidoptera and Conservation, various themes are treated through relevant examples and case histories, and sufficient background given to enable non-specialist access. Intended for not only entomologists but conservation managers and naturalists due to its readable approach to the subject.
Author: G. V. Hudson Publisher: ISBN: 9781332304752 Category : Science Languages : en Pages : 230
Book Description
Excerpt from New Zealand Moths and Butterflies: Macro-Lepidoptera The present work is intended as a guide to those who desire to collect or study our native Lepidoptera, and also as a book of reference to the general reader. In the Introduction I have first given an outline of the Transformations and Structure of the Lepidoptera. Then a brief sketch of the Darwinian theories respecting the origin of species and their special application to various phenomena exhibited by moths and butterflies, as well as a short outline of the general principles which have been followed in framing modern classifications oi the order. Next follow five chapters on the various groups dealt with. With a few exceptions this work only treats of what are, for the sake of convenience, termed the Macro-Lepidoptera. A similar work on the numerous and interesting species of Micro-Lepidoptera found in New Zealand may at some future time be undertaken. In conclusion, I have to discharge the pleasurable duty of thanking the numerous entomologists who have so liberally assisted me in the production of this work. First, and especially, my thanks are due to Mr. Meyrick, without whose masterly papers and 'Handbook' but little could have been accomplished. Next, to Mr. R. W. Fereday, who very kindly allowed me to figure many species of which he alone possesses specimens - in itself an invaluable assistance. I have also to express my thanks to Messrs. E. F. Hawthorne, H. P. Hanify, R. I. Kingsley, A. Nonas, A. Philpott, and others for the loan of specimens, and for much valuable information regarding the localities and habits of rare or local species. Lastly, I have to acknowledge the aid so willingly given by my lamented friend, the late Mr. A. S. Olliff, of Sydney. 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: G. V. Hudson Publisher: Alpha Edition ISBN: 9789356784628 Category : Science Languages : en Pages : 0
Book Description
New Zealand Moths and Butterflies (Macro-Lepidoptera), has been regarded as significant work throughout human history, and in order to ensure that this work is never lost, we have taken steps to ensure its preservation by republishing this book in a contemporary format for both current and future generations. This entire book has been retyped, redesigned, and reformatted. Since these books are not made from scanned copies, the text is readable and clear.
Author: Anurag Agrawal Publisher: Princeton University Press ISBN: 0691166358 Category : Science Languages : en Pages : 296
Book Description
The fascinating and complex evolutionary relationship of the monarch butterfly and the milkweed plant Monarch butterflies are one of nature's most recognizable creatures, known for their bright colors and epic annual migration from the United States and Canada to Mexico. Yet there is much more to the monarch than its distinctive presence and mythic journeying. In Monarchs and Milkweed, Anurag Agrawal presents a vivid investigation into how the monarch butterfly has evolved closely alongside the milkweed—a toxic plant named for the sticky white substance emitted when its leaves are damaged—and how this inextricable and intimate relationship has been like an arms race over the millennia, a battle of exploitation and defense between two fascinating species. The monarch life cycle begins each spring when it deposits eggs on milkweed leaves. But this dependency of monarchs on milkweeds as food is not reciprocated, and milkweeds do all they can to poison or thwart the young monarchs. Agrawal delves into major scientific discoveries, including his own pioneering research, and traces how plant poisons have not only shaped monarch-milkweed interactions but have also been culturally important for centuries. Agrawal presents current ideas regarding the recent decline in monarch populations, including habitat destruction, increased winter storms, and lack of milkweed—the last one a theory that the author rejects. He evaluates the current sustainability of monarchs and reveals a novel explanation for their plummeting numbers. Lavishly illustrated with more than eighty color photos and images, Monarchs and Milkweed takes readers on an unforgettable exploration of one of nature's most important and sophisticated evolutionary relationships.
Author: Andrew M Gordon Publisher: CABI ISBN: 178064485X Category : Technology & Engineering Languages : en Pages : 327
Book Description
Organic animal production has increased rapidly in recent years to keep up with the increasing consumer demand for organic meats. There are many guidelines and restrictions on what should go into the feedstuffs of organically farmed animals, from which difficulties arise when trying to ensure a well-balanced, nutritious diet without the use of any supplements. The book has been completely updated and revised to address how to formulate organic diets in situations where there is a declining supply of organic feed, as well as the feasibility of utilizing novel feedstuffs and their acceptability by consumers of organic meat products. Including the experiences of producers in relation to appropriate breeds and production systems for forage-based organic production, this book is an important read for researchers and students of organic food animal production, veterinary sciences and food; as well as food industry personnel and organic farmers.
Author: Karen S. Oberhauser Publisher: Cornell University Press ISBN: 0801455596 Category : Nature Languages : en Pages : 606
Book Description
Monarch butterflies are among the most popular insect species in the world and are an icon for conservation groups and environmental education programs. Monarch caterpillars and adults are easily recognizable as welcome visitors to gardens in North America and beyond, and their spectacular migration in eastern North America (from breeding locations in Canada and the United States to overwintering sites in Mexico) has captured the imagination of the public. Monarch migration, behavior, and chemical ecology have been studied for decades. Yet many aspects of monarch biology have come to light in only the past few years. These aspects include questions regarding large-scale trends in monarch population sizes, monarch interactions with pathogens and insect predators, and monarch molecular genetics and large-scale evolution. A growing number of current research findings build on the observations of citizen scientists, who monitor monarch migration, reproduction, survival, and disease. Monarchs face new threats from humans as they navigate a changing landscape marked by deforestation, pesticides, genetically modified crops, and a changing climate, all of which place the future of monarchs and their amazing migration in peril. To meet the demand for a timely synthesis of monarch biology, conservation and outreach, Monarchs in a Changing World summarizes recent developments in scientific research, highlights challenges and responses to threats to monarch conservation, and showcases the many ways that monarchs are used in citizen science programs, outreach, and education. It examines issues pertaining to the eastern and western North American migratory populations, as well as to monarchs in South America, the Pacific and Caribbean Islands, and Europe. The target audience includes entomologists, population biologists, conservation policymakers, and K–12 teachers.
Author: George Vernon Hudson
Author: George Vernon Hudson
Author: G Hudson
Author: T. R. New
Author: G. V. (George Vernon) Hudson
Author: G. V. Hudson
Author: G. V. Hudson
Author: Anurag Agrawal
Author: G.V. Hudson
Author: Andrew M Gordon
Author: Karen S. Oberhauser