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Invasive Species Resources

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Cornell Laboratory of Ornithology.
Note: Nesting Behavior
Cornell University. Cooperative Extension of Suffolk County. Horticulture Diagnostic Laboratory.
See also: Tree and Shrub Disease for more fact sheets.
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
Arizona Game and Fish Department.
See also: Aquatic Invasive Species for additional risk analyses and related species information
Pennsylvania State University. Cooperative Extension.
Pennsylvania State University. Cooperative Extension.

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.

Pennsylvania State University. Cooperative Extension.
South Dakota State University. Agricultural Experiment Station; Cooperative Extension Service.
Pennsylvania State University. Cooperative Extension.
Cornell University. Agriculture and Life Sciences.
This guide provides photographs and descriptions of biological control (or biocontrol) agents of insect, disease, and weed pests in North America. It is also a tutorial on the concept and practice of biological control and integrated pest management (IPM). Whether you are an educator, a commercial grower, a student, a researcher, a land manager, or an extension or regulatory agent, we hope you will find this information useful.
Cornell University Cooperative Extension. Department of Natural Resources.
See also: ForestConnect Fact Sheet Series for more factsheets.
New York Department of Environmental Conservation.
Pennsylvania Department of Agriculture.
Pennsylvania State University. Cooperative Extension.
Pennsylvania State University. College of Agricultural Sciences. Entomology.
Washington Sea Grant.