Download the products from the first version of the PNW Bumble Bee Atlas
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There seem to be winners and losers when we look at species through time.
Survey Effort by Elevation and Longitude
The western bumble bee is found at all elevations east of the Cascades...
In the below graph, red dots are western bumble bee observations and black dots are observations of all bumble bees.
For some species, we see fairly dramatic changes through time...
Things also vary by state (2022 only here)
We're not finding several species that were once here...concentrated in key areas of the region.
Older Updates...
Lots of happy bumble bee watchers...
Those of you that attended a training were better at identifying your bumble bees...
Either our trainings are effective, or it is a self selecting group --> :^)
We collected lots of bumble bee data. Over 13,000 observations of 24 different speices. You can explore those data here.
2019 Survey Results Differed Across the Landscape
Many Species of Greatest Need (SGCN) observations. Unfortunately, we have not yet detected B. suckleyi
Early results suggest that our SGCN bumble bees are struggling compared to their historic levels.
Results differed by state
We added three new species in 2019 including the high country bumble bee (B. kirbiellus) - seen below.
Photo by R. Hatfield; B. kirbiellus on paintbrush.
Some plants attracted lots of bees
* Denotes a plant genus that likely contains non-native plants
Others attracted lots of species
* Denotes a plant genus that likely contains non-native plants
We still have a lot of work to do in 200! Adopt a grid cell and help us complete the map!
