Gypsy Moth


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What's New

 

Learn about WSDA's 2019 gypsy moth eradication for Kitsap, King, and Snohomish counties. 
Gypsy moth trapping is now underway. See current trapping

Learn about gypsy moths and why they are a significan threat to the environment. Infographics, videos, blogs, and more.
Each year dozens of trappers set up 20,000 - 30,000 traps throughout the state to monitor for gypsy moth introductions. 
Learn about Btk (Bacillus thuringiensis kurstaki,) which is a naturally occurring soil bacteria.Btk is what WSDA most commonly uses to eradicate gypsy moth introductions. 
Not every gypsy moth detection results in an eradication effort. However, when necessary, we conduct eradication efforts to prevent the establishment of gypsy moths in Washington. 

Contact us

gypsymoth@agr.wa.gov
(800) 443-6684
PO Box 42560
Olympia, WA 98504-2560

Moving to Washington State?

If you are moving to Washington State from a gypsy moth infested state, you are required by federal law to conduct an inspection of your outdoor household articles for gypsy moth before you move. Check the Gypsy Moth quarantine map to find out if you are moving from a gypsy moth infested area.

Instructions for conducting the inspection and filling out a self inspection checklist are included in the USDA brochure "IT'S THE LAW: BEFORE MOVING, CHECK FOR GYPSY MOTH" [PDF 3.3 MB]