ASU Hasbrouck Insect Collection - Bee Records

Bee Biology and Systematics Laboratory, USDA-ARS Pollinating Insect-Biology, Management, Systematics Research

California Academy of Sciences

California Academy of Sciences - Type Collection

Essig Museum of Entomology, University of California Berkeley

Florida State Collection of Arthropods

Museum of Comparative Zoology, Harvard University

Natural History Museum of Los Angeles County

San Diego Natural History Museum Entomology Department

University of California Santa Barbara Invertebrate Zoology Collection

University of Colorado Museum of Natural History, Entomology Collection

University of Kansas Natural History Museum Entomology Division

University of Michigan Museum of Zoology Division of Insects

University of New Hampshire, Donald S. Chandler Entomological Collection

USGS Native Bee Inventory and Monitoring Lab

Connecticut Agricultural Experiment Station Arthropod Collection

Denver Botanic Gardens Collection of Arthropods

Entomology Collection at the Natural History Museum of Utah

New Brunswick Museum

New Zealand Arthropod Collection

Rutgers University Entomological Museum

Sagehen Creek Field Station (UC-Berkeley) – Insects

Smithsonian Institution, National Museum of Natural History, Entomology Collection

Southeast Missouri State University Invertebrate Museum

Texas Tech University - Invertebrate Zoology

University of Arizona Insect Collection

Virginia Polytechnic Institute and State University Insect Collection

Bee Fauna of National Wildlife Refuges in the Pacific Northwest, 2010-2016

Characterizing bumble bee (Bombus) communities in the United States and assessing a conservation monitoring method

Collaborative databasing of North American bee collections within a global informatics network project

Kenai National Wildlife Refuge Pollinator Surveys

Maine State Museum - Brianne Du Clos

Patterns of widespread decline in North American bumble bees

PERC - Hannah Kernen Collection

Purdue Entomological Research Collection - Indiana Bumble Bees

RL Minckley Insect Collection

San Diego County Bee Checklist

The Bees they are a Changin project

UCSB material examined collection

Wild bees of Grand Staircase-Escalante National Monument

William Murphy Insect Collection

iNaturalist Research-Grade Observations

Xerces Society - Bumble Bee Watch