Sonoran Bumble Bee (University of Arizona Pollinator Field Guide) · iNaturalist

Conserve - TBC

Sonoran Bumble Bee (A guide to the Ants, Bees, Wasps and Sawflies (Order Hymenoptera) of Austin and Travis County, TX; USA) · iNaturalist

Shrubs and Trees for Bees

Pollination - Tohono Chul - Tucson, AZ

Pollinators of the Sonoran Desert Field Guide – tucsonnatureshop

Photos of Sonoran Bumble Bee (Bombus sonorus) · iNaturalist

Pollinators

Shrubs and Trees for Bees

Sonoran bumblebee - Cabrillo National Monument (U.S. National Park Service) - Cabrillo Field Notes