Technical Report

Bees of the Pacific Northwest : key to bumble bee species for females (Hymenoptera : Apidae : Bombus)

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  • This species key to female bumble bees of the Pacific Northwest provides dichotomous couplets which aid the user in identifying 27 species which occur or have occurred historically, and may still be present in the region. The key architecture is based strongly on the key to species for females found in Williams et al. (2014).
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  • Best, L.R., Dunlap, J.B., Jackson, A.S., Rivers, J.W., & Williams, P.H. (2023). Bees of the Pacific Northwest: Key to bumble bee species for females (Hymenoptera: Apidae: Bombus). Version 1, October 2023. Fish and Wildlife Habitat in Managed Forests Research Program, Oregon State University, Corvallis, Oregon.
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  • Support for this project was provided through the Fish and Wildlife Habitat in Managed Forests (FWHMF) research program. The FWHMF research program is guided by recommendations from Oregon State University College of Forestry program leaders, faculty scientists, and from the program’s Technical Advisory Committee. These recommendations are made to the director of the Oregon Forest Research Laboratory (FRL), dean of Oregon State University’s College of Forestry. Funding to the FWHMF research program comes from the Oregon Forest Products Harvest Tax with the purpose of supporting projects which contribute to the foundation of scientific information that informs the Oregon Forest Practices Act.
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