Size ³

Queen 20-21 mm
Workers 9 - 15 mm
Male 12 - 16 mm

Food plants ³

Melilotus, Cirsium, Trifolium, Centaurea, Chrysothamnus, Eriogonum

Nest ³

Nests usually underground

Similar Species ³

Yellow-banded Bumble Bee (B. terricola)
Franklin Bumble Bee (b. franklini)
Cryptic Bumble Bee (B. cryptarum)

Sources and Credits

1. (c) Chloé Recouvreur, all rights reserved, uploaded by Chloé Recouvreur
2. Chloé Recouvreur, no known copyright restrictions (public domain), uploaded by Chloé Recouvreur, https://www.fs.fed.us/wildflowers/pollinators/documents/BumbleBeeGuideWestern2012.pdf
3. (c) Chloé Recouvreur, some rights reserved (CC BY-SA), https://www.inaturalist.org/guide_taxa/1678550

More Info

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• BugGuide
• CalPhotos
• CUIC Insect Images
• Global Biodiversity Information Facility (GBIF)
• NatureServe Explorer 2.0

iNat Map