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BMSB Finds in Washington (Map)

As of January 2022, brown marmorated stink bug (BMSB) has been recorded in 29 Washington state counties; with most along the I-5 corridor. If you see a BMSB, please send a photo, general location (inside or outside of house or car, backyard, park, etc.)  and the address it was found to:

Not sure if it’s BMSB?  Check out our page on Identifying BMSB

Major tree fruit crops in Washington are indicated by the small dots: apple (red), pear (green), and sweet cherry (pink).

map of washington with the location of bmsb finds, color coded by habitat: agriculture, forest, house exterior and interior, automobile, backyard, urban host plant

map of washington with bmsb finds in 2021 indicated by color coded dots; larger dots equals more BMSB
BMSB Finds in Washington State in 2021
map of washington with the number of bmsb found in 2020 at each location, indicated by color coded circles
BMSB Finds in Washington State in 2020