Protecting Washington's Environment and Economy from Harmful Invasive Species

Learn About Priority Species

Next Council Meeting

June 27, 2024  in  Walla Walla


State Asks Campers to Not Move Firewood

OLYMPIA–Several state agencies are asking campers and outdoor enthusiasts to not move firewood and instead buy it where they burn it this camping season. The Washington Invasive Species Council, Washington State Department of Natural Resources’ Urban and Community Forestry Program, Washington State Department of Agriculture and Washington State University Extension are strongly encouraging outdoor recreationists […]

May 22, 2024Read More

Governor Proclaims February 26 to March 3 Invasive Species Awareness Week

OLYMPIA–Gov. Jay Inslee, in partnership with the Washington Invasive Species Council, has proclaimed February 26 through March 3 as Washington Invasive Species Awareness Week in solidarity with National Invasive Species Awareness Week. “Invasive species and noxious weeds are already a big problem in Washington and species that have yet to reach our state could pose even greater […]

February 8, 2024Read More

Boot Brushes to Protect the Shrub-Steppe from Noxious Weeds

Benjamin Franklin once famously said, “An ounce of prevention is worth a pound of cure.” When it comes to protecting valuable habitat, Franklin’s words take on a whole new meaning. The Washington Invasive Species Council has received funding to help protect shrub-steppe habitat from noxious weed spread and development. With support from the U.S. Forest […]

January 11, 2024Read More
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There’s still time to celebrate National Pollinator Week! The Northern giant hornet poses a threat to our native pollinators and was verified in Blaine, WA (2019) and in Bellingham (2020). Thankfully, during the previous two seasons, no Northern giant hornets have been detected. We still need your help though, as trapping continues. To celebrate Pollinator Week (and beyond!), learn all about the Northern giant hornet by visiting Washington State Department of Agriculture's StoryMap on their website. We still need everyone to be on the lookout and report any possible sightings. ... See MoreSee Less
It's National Eat Your Vegetables Day! What does this have to do with invasive species? Well, Washington is home to the Walla Walla onion, known for its excellent flavor and easy cultivation. Unfortunately, an insect known as the onion (or allium) leafminer, also finds it quite tasty. The onion leafminer lays eggs on the leaves, causing curling and cosmetic damage. The larvae also feed on the leaves and stems, leading to further damage. This damage can make it easier for pathogenic fungi to infect the plant and cause rot. It's not in Washington yet, and let's keep it that way! Learn the signs and symptoms of this pest, especially if you are importing onion plants from other states: onion leafminer damage. Lawrence Barringer, Pennsylvania Department of Agriculture, ... See MoreSee Less
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