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Invasive Species Resources

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Cornell Laboratory of Ornithology.
Note: Nesting Behavior
Montana Department of Livestock. Animal Health Division.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
University of Michigan. Museum of Zoology.
Cornell University. Cooperative Extension of Suffolk County. Horticulture Diagnostic Laboratory.
See also: Tree and Shrub Disease for more fact sheets.
Tip of the Mitt Watershed Council (Michigan).
New York State Department of Agriculture and Markets. Cooperative Agricultural Pest Survey.

See also: Forest Health Invaders for more fact sheets

Michigan Department of Environment, Great Lakes, and Energy.

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.