Bumble Bees of Wisconsin – Online guide, information, and ongoing research – UW–Madison
Wisconsin Natural Resources Magazine – Summer 2021 by Wisconsin
Wisconsin DATCP Apiary Program News - October 2023
Frontiers Local influence of floral resource attributes on urban
Wisconsin Bumblebee Observers
Field Notes Blog — Severson Dells Nature Center
Wisconsin Bumble Bee Brigade Tracks Species, 1 Photo At A Time
Garden Related Links — Madison Area Master Gardeners Association
General Information – Bumble Bees of Wisconsin – UW–Madison
Frontiers Local influence of floral resource attributes on urban
Bumblebee Identification, Habits & Behavior
Species – Bumble Bees of Wisconsin – UW–Madison
PDF) Bees of Wisconsin (Hymenoptera: Apoidea: Anthophila)