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Washington State University

Coronavirus COVID-19

COVID-19 Advisory: WSU Extension is working to keep our communities safe. All Extension programming is being provided virtually, or by approved plan. Effective July 6, 2021, Snohomish County WSU Extension will have a limited administration presence at Willis Tucker Park (Snohomish). The McCollum Park campus (Everett) continues to be closed to the public.  We are available via email, phone, and webconference.

Bumblebee Links

(425) 338-2400

Some WSU Extension web sites provide links to external sites for the convenience of users. These external sites are not managed by the WSU Extension. Furthermore, WSU Extension does not review, control or take responsibility for the content of these sites, nor do these sites implicitly or explicitly represent official positions and policies of WSU Extension.


Taxonomic Keys to the Bumble Bees

(Some information in these links may not be suitable for Western Washington. Check with your local WSU Extension office if you have any questions.)

Compiled by: Dave Pehling, Snohomish County Extension Analyst (updated 07/30/19)