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Home / Invasive Species Resources

Invasive Species Resources

Provides access to all site resources, with the option to search by species common and scientific names. Resources can be filtered by Subject, Resource Type, Location, or Source.

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Delaware Invasive Species Council.
Be on the lookout for these up-and-coming invaders! They might not be in Delaware yet, but our best defense is early detection and rapid response!
Oklahoma Department of Agriculture, Food, and Forestry. Oklahoma Forestry Services.

European and Mediterranean Plant Protection Organization.

Invasive Species Centre (Ontario); Great Lakes Forest Alliance.
Cayman Islands Government. Department of Environment.

University of Alaska - Anchorage. Alaska Center for Conservation Science.

New Zealand Ministry for Primary Industries.

The Ministry for Primary Industries (MPI) is on high alert to stop the invasive brown marmorated stink bug from making a home in New Zealand. The bug is likely to start showing up in imported cargo from the northern hemisphere. Brown marmorated stink bug is a serious horticultural pest in the United States and is also starting to spread through Canada and parts of Europe. The Ministry for Primary Industries and industry groups have been working together to prepare for the increased risk.

Secretariat of the Pacific Community. Plant Protection Service.

See also: Pest Advisory Leaflets for more resources

Washington State Department of Agriculture.

Asian giant hornet is the world's largest species of hornet. In December 2019, WSDA received and verified four reports of Asian giant hornet near Blaine and Bellingham. These are the first-ever sighting in the U.S. Canada had also discovered Asian giant hornet in two locations in British Columbia in the fall of 2019. If it becomes established, this hornet will have serious negative impacts on the environment, economy, and public health of Washington State. If you think you may have spotted an Asian giant hornet, report it using the Hornet Watch Report Form.
See also: Learn more about Asian giant hornets and WSDA’s program to eradicate them.

Government of British Columbia. Ministry of Agriculture.

Three Asian Hornets (Vespa mandarinia) were found in the Nanaimo area on Vancouver Island in mid-August. The identification has been confirmed by Canadian and international experts. This is the first time this insect has been found in British Columbia. Please report suspected Asian giant hornet sightings to the Invasive Species Council of British Columbia.

North American Plant Protection Organization.

Western Australia Department of Primary Industries and Regional Development. Agriculture and Food Division.

Western Australia Department of Primary Industries and Regional Development. Agriculture and Food Division.

British Columbia Ministry of Agriculture.

Maryland Department of Agriculture.

Thousand cankers disease (TCD) is a disease complex native to the western United States and primarily affects black walnut, Juglans nigra. This disease is the result of the combined activity of a fungus, Geosmithia morbida, and the walnut twig beetle WTB), Pityophthorus juglandis. On January 12, 2015, the the Maryland Secretary of Agriculture issued a quarantine order to minimize the risk of moving infested material out of the limited action area in Cecil County, and to provide confidence in Maryland walnut products moving into neighboring states from non quarantined areas. The 2015 quarantine order has been updated to include all of Baltimore City and part of Baltimore County (PDF | 1.2 MB). The new quarantine (PDF | 1.0 MB) was signed on May 1, 2019 by the Maryland Secretary of Agriculture.