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Bumble Bees of North America - An identification guide

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 							Bumble Bees of North America: An Identification Guide
  Paul H. Williams
  1st edition
 
208 pages
  ISBN: 9781400851188
  
  More than ever before, there is widespread interest in studying
bumble bees and the critical role they play in our ecosystems.Bumble Bees of North America is the first comprehensive
guide to North American bumble bees to be published in more than a century. Richly illustrated with color photographs,
diagrams, range maps, and graphs of seasonal activity patterns, this guide allows amateur and professional naturalists
to identify all 46 bumble bee species found north of Mexico and to understand their ecology and changing geographic
distributions.
  The book draws on the latest molecular research, shows the enormous color variation within
species, and guides readers through the many confusing convergences between species. It draws on a large repository of
data from museum collections and presents state-of-the-art results on evolutionary relationships, distributions, and
ecological roles. Illustrated keys allow identification of color morphs and social castes.
  A landmark
publication, Bumble Bees of North America sets the standard for guides and the study of these important insects.
 
- The best guide yet to the 46 recognized bumble bee species in North America north of Mexico
  - Up-to-date
taxonomy includes previously unpublished results
  - Detailed distribution maps
  - Extensive keys identify
the many color patterns of species
  
  
 

  Table of Contents
  
  Introduction 7
  Observing Bumble Bees 17
  Attracting Bumble
Bees 20
  Bumble Bee Forage Guide by Ecoregion 22
  Maps and Seasonal Activity 29
  Bumble Bee Decline
and Conservation 31
  Threats to Bumble Bees 33
  Natural Enemies 35
  Mimicry 38
  Distinguishing
Bumble Bees from Other Insects 42
  Bumble Bee Names and Classification 45
  How to Use This Book to Identify
Bumble Bee Species 48
  Species Accounts 51
  
  Square- or long-cheeked bees with a rounded angle on
midleg
  - Bombus vosnesenskii 52
  - Bombus caliginosus 54
  - Bombus vandykei
57
  - Bombus impatiens 59
  - Bombus bimaculatus 62
  - Bombus perplexus 64
 
- Bombus vagans 67
  - Bombus sandersoni 70
  - Bombus jonellus 73
  - Bombus
frigidus 75
  - Bombus mixtus 77
  - Bombus ternarius 80
  - Bombus huntii 82
  - Bombus sylvicola 84
  - Bombus melanopygus 87
  - Bombus bifarius 90
  -
Bombus centralis 93
  - Bombus flavifrons 95
  - Bombus sitkensis 98
  - Bombus
polaris 100
  - Bombus balteatus 103
  - Bombus neoboreus 105
  - Bombus
hyperboreus 108
  
  Short-cheeked bees with a rounded angle on the midleg
  - Bombus
terricola 111
  - Bombus occidentalis 114
  - Bombus cryptarum 117
  - Bombus
franklini 119
  - Bombus affinis 121
  - Bombus griseocollis 123
  - Bombus
morrisoni 126
  - Bombus fraternus 128
  - Bombus crotchii 130
  - Bombus
rufocinctus 133
  
  Medium- or long-cheeked bees with a sharp angle on the midleg
  - Bombus
fervidus 136
  - Bombus borealis 139
  - Bombus distinguendus 142
  - Bombus
appositus 144
  - Bombus pensylvanicus 147
  - Bombus auricomus 150
  - Bombus
nevadensis 152
  
  Hindleg (tibia) with the outer surface uniformly convex and densely hairy (Cuckoo
bumble bees, no workers)
  - Bombus citrinus 155
  - Bombus variabilis 157
  - Bombus
insularis 159
  - Bombus bohemicus 161
  - Bombus suckleyi 163
  - Bombus
flavidus 165
  
  Identification Keys to Female and Male Bumble Bees, with Photos 168
  Glossary
199
  Additional Resources 203
  Acknowledgments 204
  Photo Credits 206
  Index 207 						

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