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Author: Karl V. Krombein
Publisher:
ISBN:
Category : Hymenoptera
Languages : en
Pages : 308
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Book Description
Author: Karl V. Krombein
Publisher:
ISBN:
Category : Hymenoptera
Languages : en
Pages : 308
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Book Description
Author: Karl V. Krombein
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 592
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Book Description
Author: Nathan Banks
Publisher:
ISBN:
Category : Insects
Languages : en
Pages : 108
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Book Description
Author: Nathan Banks
Publisher: BoD – Books on Demand
ISBN: 3385306566
Category : Fiction
Languages : en
Pages : 650
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Book Description
Reprint of the original, first published in 1883.
Author: Altus Lacy Quaintance
Publisher:
ISBN:
Category : Apples
Languages : en
Pages : 708
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Book Description
Author: Kevin Williams
Publisher: Princeton University Press
ISBN: 0691253765
Category : Nature
Languages : en
Pages : 441
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Book Description
An authoritative, marvelously illustrated field guide to the velvet ants of North America Velvet Ants of North America is a beautiful photographic guide to the species of the wasp family Mutillidae found in the United States and Canada. Featuring hundreds of full-color photos, it covers nearly 460 species—representing more than 9 percent of all velvet ant species, which number in the thousands worldwide—providing comprehensive and up-to-date coverage of this spectacular group of insects. This one-of-a-kind guide serves as an invaluable reference for naturalists, scientific researchers, museum specialists, and outdoor enthusiasts. Covers nearly 460 species found in North America and throughout the world Features stunning high-resolution photos of each species Detailed species accounts and keys allow for easy and rewarding identification Sheds invaluable light on taxa from Mesoamerica, the Caribbean, and beyond Provides silhouette images depicting the actual size ranges of species Includes distribution maps of nearly all diurnal species in the United States and Canada
Author:
Publisher:
ISBN:
Category : Insects
Languages : en
Pages : 132
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Book Description
Author: Anonymous
Publisher: BoD – Books on Demand
ISBN: 3385309182
Category : Fiction
Languages : en
Pages : 122
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Book Description
Reprint of the original, first published in 1883.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309102898
Category : Technology & Engineering
Languages : en
Pages : 327
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Book Description
Pollinators-insects, birds, bats, and other animals that carry pollen from the male to the female parts of flowers for plant reproduction-are an essential part of natural and agricultural ecosystems throughout North America. For example, most fruit, vegetable, and seed crops and some crops that provide fiber, drugs, and fuel depend on animals for pollination. This report provides evidence for the decline of some pollinator species in North America, including America's most important managed pollinator, the honey bee, as well as some butterflies, bats, and hummingbirds. For most managed and wild pollinator species, however, population trends have not been assessed because populations have not been monitored over time. In addition, for wild species with demonstrated declines, it is often difficult to determine the causes or consequences of their decline. This report outlines priorities for research and monitoring that are needed to improve information on the status of pollinators and establishes a framework for conservation and restoration of pollinator species and communities.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1268
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Book Description
