Bumble bees of North America : an identification guide / Paul H. Williams, Robbin W. Thorp, Leif L. Richardson & Sheila R. Colla.

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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.

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Bibliographic Details
Main Author: Williams, Paul (Paul Hugh) (Author)
Other Authors: Thorp, Robbin W., 1933-, Richardson, Leif, Colla, Sheila
Language:English
Published: Princeton : Princeton University Press, [2014]
Subjects:
Bumblebees > United States > Identification.
Bumblebees > Canada > Identification.
Bumblebees > United States > Geographical distribution.
Bumblebees > Canada > Geographical distribution.
Genre:
Identification.
Physical Description:208 pages : color illustrations, color maps ; 23 cm
Variant Title:
Bumblebees of North America.
Format: Book
Contents:
  • Introduction
  • Observing bumble bees
  • Attracting bumble bees
  • Bumble bee forage guide by ecoregion
  • Maps and seasonal activity
  • Bumble bee decline and conservation
  • Threats to bumble bees
  • Natural enemies
  • Mimicry
  • Distinguishing bumble bees from other insects
  • Bumble bee names and classification
  • How to use this book to identify bumble bee species
  • Species accounts
  • Square-or long-cheeked bees with a rounded angle on the midleg
  • Short-cheeked bees with a rounded angle on the midleg
  • Medium- or long-cheeked bees with a sharp angle on the midleg
  • Hindleg (tibia) with the outer surface uniformly convex and densely hairy (cuckoo bumble bees, no workers).