Size ⁴

Queen 18 - 21 mm
Workers 11 - 17 mm
Male 13 - 16 mm

Food Plants ⁴

Cirsium, Dipsacus, Helianthus, Penstemon, Phacelia, Trifolium

Nest ⁴

Nests often built underground, on the ground surface, or above ground in deserted rodent nests

Similar Species ⁴

American Bumble Bee (B. pensylvanicus)
Nevada Bumble Bee (B. nevadensis)

Other regions :
Northern Amber Bumble Bee (B. borealis) --> Canadian Maritimes and eastern US in Temperate and Boreal Forests regions
Northern Yellow Bumble Bee (B. distinguendus) --> Alaska

Sources and Credits

1. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
2. (c) Keng-Lou James Hung, some rights reserved (CC BY-NC), uploaded by Keng-Lou James Hung
3. Chloé Recouvreur, no known copyright restrictions (public domain), uploaded by Chloé Recouvreur, https://www.fs.fed.us/wildflowers/pollinators/documents/BumbleBeeGuideWestern2012.pdf
4. (c) Chloé Recouvreur, some rights reserved (CC BY-SA), https://www.inaturalist.org/guide_taxa/1682139

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)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0

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