Bumble bees of North America: an identification guide [Enhanced Credo edition] 9780691152226, 9781785396014, 1785396013

Table of 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, noworkers).

Polecaj historie

Bumble bees of North America: an identification guide [Enhanced Credo edition] 9781785396014, 1785396013

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