monarchs and milkweed a migrating butterfly a poisonous plant and their remarkable story of coevolution

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Monarchs And Milkweed

Author : Anurag Agrawal
ISBN : 9781400884766
Genre : Science
File Size : 74. 79 MB
Format : PDF
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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.

Monarchs And Milkweed

Author : Anurag Agrawal
ISBN : 0691166358
Genre : Business & Economics
File Size : 41. 18 MB
Format : PDF
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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.

Milkweed Monarchs And More

Author : Ba Rea
ISBN : CORNELL:31924100505985
Genre : Science
File Size : 50. 95 MB
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A field guide to the insects and spiders living in milkweed communities in North america north of the Mexican border.

Monarch And Milkweed

Author : Helen Frost
ISBN : 9781416900856
Genre : Juvenile Nonfiction
File Size : 51. 38 MB
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Introduces the Monarch butterfly, discussing its beginning as an egg laid on a milkweed leaf through its metamorphosis from a caterpillar to an adult butterfly and its fall migration back to Mexico.

Butterfly Gardening

Author : Jane Hurwitz
ISBN : 9781400889365
Genre : Gardening
File Size : 20. 74 MB
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An indispensable and lavishly illustrated guide to creating a garden that attracts and sustains butterflies Butterfly gardening creates habitats that support butterflies, connecting us with some of the most beautiful creatures in the natural world and bringing new levels of excitement and joy to gardening. In this engaging and accessible guide, lavishly illustrated with more than two hundred color photographs and maps, accomplished butterfly gardener Jane Hurwitz presents essential information on how to choose and cultivate plants that will attract a range of butterflies to your garden and help sustain all the stages of their life cycles. An indispensable resource for aspiring and experienced butterfly gardeners alike, Butterfly Gardening is the most gardener-friendly source on the subject, covering all the practical details needed to create a vibrant garden habitat that fosters butterflies. It tells you which plants support which butterflies, depending on where you live; it describes what different butterflies require in the garden over the course of their lives; and it shows you how to become a butterfly watcher as well as a butterfly gardener. While predominantly recommending regionally native plants, the book includes information on non-native plants. It also features informative interviews with experienced butterfly gardeners from across the United States. These gardeners share a wealth of information on plants and practices to draw butterflies to all kinds of gardens--from small suburban gardens to community plots and larger expanses. Whether you are a gardener who wants to see more butterflies in your garden, a butterfly enthusiast who wants to bring that passion to the garden, or someone who simply wants to make their garden or yard friendlier to Monarchs or other butterflies, this is a must-have guide. An essential guide for aspiring and experienced butterfly gardeners Encourages readers to rethink gardening choices to support butterflies and other pollinators in their gardens and communities Introduces gardeners to butterfly watching Includes regional lists of plant species that are time-proven to help sustain butterflies and their caterpillars Features informative interviews with expert butterfly gardeners from across the United States

The Evolution Of Insect Mating Systems

Author : David Shuker
ISBN : 9780191030888
Genre : Science
File Size : 28. 69 MB
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Insects display a staggering diversity of mating and social behaviours. Studying these systems provides insights into a wide range of evolutionary and behavioural questions, such as the evolution of sex, sexual selection, sexual conflict, and parental care. This edited volume provides an authoritative update of the landmark book in the field, The Evolution of Insect Mating Systems (Thornhill and Alcock, 1983), which had such a huge impact in shaping adaptationist approaches to the study of animal behaviour and influencing the study of the evolution of reproductive behaviour far beyond the taxonomic remit of insects. This accessible new volume brings the empirical and conceptual scope of the original book fully up to date, incorporating the wealth of new knowledge and research of the last 30 years. It explores the evolution of complex forms of sex determination in insects, and the role of sexual selection in shaping the evolution of mating systems. Selection arising via male contest competition and female choice (both before and after copulation) are discussed, as are the roles of parasites and pathogens in mediating the strength of sexual selection, and the role that parental care plays in successful reproduction. The Evolution of Insect Mating Systems is suitable for both graduate students and researchers interested in insect mating systems or behaviour from an evolutionary, genetical, physiological, or ecological perspective. Due to its interdisciplinary and concept-driven approach, it will also be of relevance and use to a broad audience of evolutionary biologists.

Monarchs In A Changing World

Author : Karen S. Oberhauser
ISBN : 9780801455599
Genre : Science
File Size : 22. 63 MB
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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.

The Travels Of Monarch X

Author : Ross E. Hutchins
ISBN : UOM:39015017647077
Genre : Butterflies
File Size : 45. 55 MB
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This book takes you through the different stages of the Monarch butterfly.

Four Wings And A Prayer

Author : Sue Halpern
ISBN : 9780307363800
Genre : Nature
File Size : 32. 53 MB
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Monarch butterflies abound in Canada. We marvel at their beauty and the magic of their metamorphosis. Familiar as they are to us, these tiny creatures nevertheless harbour many secrets. Perhaps the deepest mystery is the monarchs' annual migration. Each autumn, they travel unimaginably long distances, something no other butterflies do. How do they know when to migrate? How, unguided by memory, do they navigate to their destination in the heart of the threatened Mexican jungle? Sue Halpern recounts the mesmerizing story of these mysteries, and the race to solve them. She describes the discoveries of Canadian biologist Fred Urquhart and his wife, who first encouraged amateur lepidopterists to tag butterflies. We follow her to Mexico, where she searches for butterflies. She introduces us to Don Davis, an enthusiast who has tagged an estimated 20,000 monarchs since 1985. And though terrified of flying, she takes us on a flight with University of Toronto biologist David Gibo, as they attempt to predict the flight vectors of butterflies. Astonishing, fascinating, Four Wings and a Prayer, like our encounters with these delicate winged creatures, is a rare gem. From the Hardcover edition.

Remarkable Plants Of Texas

Author : Matt Warnock Turner
ISBN : 9780292773714
Genre : Nature
File Size : 70. 76 MB
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With some 6,000 species of plants, Texas has extraordinary botanical wealth and diversity. Learning to identify plants is the first step in understanding their vital role in nature, and many field guides have been published for that purpose. But to fully appreciate how Texas's native plants have sustained people and animals from prehistoric times to the present, you need Remarkable Plants of Texas. In this intriguing book, Matt Warnock Turner explores the little-known facts—be they archaeological, historical, material, medicinal, culinary, or cultural—behind our familiar botanical landscape. In sixty-five entries that cover over eighty of our most common native plants from trees, shrubs, and wildflowers to grasses, cacti, vines, and aquatics, he traces our vast array of connections with plants. Turner looks at how people have used plants for food, shelter, medicine, and economic subsistence; how plants have figured in the historical record and in Texas folklore; how plants nourish wildlife; and how some plants have unusual ecological or biological characteristics. Illustrated with over one hundred color photos and organized for easy reference, Remarkable Plants of Texas can function as a guide to individual species as well as an enjoyable natural history of our most fascinating native plants.

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