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Tree Fruit Entomology

BMSB Finds in Washington (Map)

As of November 2020, 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: tfrec.reportBMSB@wsu.edu

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 the number of bmsb found in 2020 at each location, indicated by color coded circles
BMSB Finds in Washington State in 2020