Other Bees

BUMBLEBEES

http://www.bumblebee.org
http://www.bumblebeeconservation.org.uk/
Books:
Goulson: Bumblebees: Their Behavior and Ecology
Heinrich: Bumblebee Economics

ORCHARD MASON BEES

WSU: Orchard Mason Bees
How to Manage the Blue Orchard Bee as an Orchard Pollinator
Crown Bees - Education and Supplies