TY  - BOOK
AU  - Williams,Paul
AU  - Thorp,Robbin W.
AU  - Richardson,Leif
AU  - Colla,Sheila
TI  - Bumble Bees of North America: an identification guide 
SN  - 9780691152226
AV  - QL568.A6 W55 2014
PY  - 2014///]
CY  - Princeton
PB  - Princeton University Press
KW  - Bumblebees
KW  - United States
KW  - Identification
KW  - Canada
KW  - Geographical distribution
N1  - new book 2022 summer; Includes bibliographical references (page 203) and index; 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)
N2  - 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.--
UR  - http://www.loc.gov/catdir/enhancements/fy1410/2013945435-b.html
UR  - http://www.loc.gov/catdir/enhancements/fy1410/2013945435-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy1410/2013945435-t.html
ER  -