Citations

 Evans, E., Thorp, R., Jepsen, S., & Hoffman, S. (2024). Western Bumble Bee | Xerces Society. Retrieved from xerces.org website: https://xerces.org/endangered-species/species-profiles/at-risk-bumble-bees/western-bumble-bee

Tronstad, L. M., Bell, C., Cook, K., & Dillon, M. E. (2024). Using Species Distribution Models to Assess the Status of the Declining Western Bumble Bee (Hymenoptera: Apidae: Bombus occidentalis) in Wyoming, USA. Environments, 12(1), 2–2. https://doi.org/10.3390/environments12010002 

Everett, J. (2018). Franklin’s bumble bee (Bombus franklini) species status assessment. U.S. Fish and Wildlife Service. 

Franklin, J. (2010). Mapping Species Distributions. Cambridge University Press.