An official website of the United States government

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted  — in other words, any information or browsing history that you provide is transmitted securely.

You are here Back to top

Invasive Species Resources

Displaying 1 to 20 of 167

Search Help

Tennessee Department of Agriculture.

The Tennessee Department of Agriculture (TDA) is advising forest landowners to monitor their sassafras trees after detecting new cases of laurel wilt disease in Robertson and Hamblen Counties. In the last quarter of 2019, the disease was detected in trees in Montgomery, Cheatham, Dickson and Williamson Counties. "These new detections of this invasive disease show a significant geographic jump across the state," State Forester David Arnold said. "This is yet another unfortunate example of an invasive pest impacting our forests. Landowners should take caution to prevent the spread of this disease if detected on their property."

Laurel wilt is a fungal disease caused by an invasive pathogen, Raffaelea lauricola, which can affect a range of plants, including sassafras and spicebush in Tennessee. Choked of water, trees wilt and die within a few weeks or months. Currently, no treatment has been developed that can cure laurel wilt disease or protect trees from infection. The best way to prevent the spread of laurel wilt is to avoid movement of firewood or other untreated timber. Tennesseans are urged to monitor their sassafras trees for browning of leaves, leaf loss, and staining in the inner bark. If you suspect your trees might have laurel wilt disease, contact Forest Health Program Specialist Sam Gildiner at 615-837-5439 or sam.gildiner@tn.gov. TDA Division of Forestry staff will assist in identifying the disease and recommending management actions, if appropriate.

Tennessee Department of Agriculture.

Three Tennessee counties have been quarantined for Emerald Ash Borer (EAB) after detection of the forest-devastating insect, bringing the total number of Tennessee counties under a state and federal EAB quarantine to 62. Cheatham, Giles, and Maury counties have been added to the list of areas restricted for the movement of firewood, ash nursery stock, ash timber, and other material that can spread EAB. The tree-killing beetle was recently found in these three counties through the United States Department of Agriculture’s EAB detection program.

Tennessee Department of Agriculture.

Arizona Game and Fish Department.
New state regulations to help prevent the spread of quagga mussels and zebra mussels went into effect in Mar 2010. These regulatory measures, known as "Director's Orders," were authorized by the Aquatic Invasive Species Interdiction Act passed by the Arizona Legislature in 2009. The orders contain a list of aquatic invasive species for Arizona, a list of waters where aquatic invasive species are present, and mandatory conditions for the movement of watercraft.
Arizona Game and Fish Department.
See also: Aquatic Invasive Species for additional risk analyses and related species information
Arizona Game and Fish Department.
The Arizona Invasive Species Advisory Council was created in April 2005 by Governor Napolitano to address the challenges that invasive species pose for the state’s natural areas and wildlife.
University of Arizona; USDA. Animal and Plant Health Inspection Service; Arizona Department of Agriculture.
The Arizona Plant Diagnostic Network is designed to link growers and master gardeners with plant experts in your community and with plant scientists at the University of Arizona. These experts are available to answer questions about plant health and help identify new and emerging plant pests and pathogens in Arizona. The goal is to increase public awareness of incoming threats to the plants and produce in our State.

University of Arizona; USDA. Animal and Plant Health Inspection Service; Arizona Department of Agriculture.

This list of the most serious biotic pests and pathogens is maintained by the State (Arizona Department of Agriculture) and Federal (USDA) regulatory agents. Their goal is to prevent the introduction and/or spread of these pests/pathogens in our state.

Tennessee Wildlife Resources Agency.

The TWRA needs your help in collecting invasive carp. If you catch a small carp, nine inches or less, the agency is asking that you put it on ice or freeze it and contact them immediately. If you are unable to keep the fish, the TWRA asks you to submit photos of the fish in hand and send it to them. You can contact the TWRA by phone at 731-423-5725 or toll-free at 1-800-372-3928, by fax at 731-423-6483, or by email at ans.twra@tn.gov.

Arizona Department of Agriculture.
Massachusetts Introduced Pests Outreach Project.
The Asian longhorned beetle (Anoplophora glabripennis, "ALB"), a pest of hardwood trees including maple, birch and horse chestnut, was first discovered in Worcester, Massachusetts in 2008. Since their discovery, $50 million in federal and state money has been spent to eradicate the beetle, and 25,000 infested trees in the Worcester area have been cut down in an effort to halt the spread. Use this form to report a possible Asian longhorned beetle sighting in Massachusetts or other states.
Massachusetts Introduced Pests Outreach Project.

University of Tennessee. Institute of Agriculture.

See also: Beef and Forage Center - Health for more resources 

University of Tennessee Extension.
See also: Entomology and Plant Pathology - Publications and Multimedia Catalog for more resources
Virginia Tech; Virginia State University. Virginia Cooperative Extension.
This Best Management Practice document is a set of guidelines for home growers of landscape boxwood to avoid introduction of the boxwood blight pathogen into a landscape or, if the disease is already present in a landscape, to manage the disease in the most effective manner and avoid spread of the disease to new locations. See also: Resources for Plant Diseases for more publications
Louisiana Department of Agriculture and Forestry.
In May 2010 the last boll weevil was trapped in the state and in March 2012 the boll weevil was declared eradicated from the state of Louisiana. The Eradication Program is now at a maintenance level, funded through grower maintenance inspection fees. Traps are placed and monitored according to an approved trapping protocol. Cotton producers have seen increases in yields along with a reduction in the cost of insect control.
Virginia Tech; Virginia State University. Virginia Cooperative Extension.
Boxwood blight (also called "box blight" in Europe), caused by the fungal pathogen Cylindrocladium pseudonaviculatum (=C. buxicola), was found for the first time in the United States in North Carolina, Virginia and Connecticut in 2011. The first reported infestation in the U.S. was in a North Carolina nursery and the disease was introduced to Virginia on plants from that nursery. Spread outside the two Virginia locations, both of which are fields owned by a single nursery, has not been reported. However, growers should be aware of the symptoms of boxwood blight and monitor nursery and landscape boxwoods for symptoms.