Cornell Laboratory of Ornithology.
Note: Nesting Behavior
Cornell University (New York). New York State Agricultural Experiment Station.
Cornell University. Cooperative Extension of Suffolk County. Horticulture Diagnostic Laboratory.
See also: Tree and Shrub Disease for more fact sheets.
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.
Colorado State University. College of Agricultural Sciences.
Colorado State University. Colorado State Forest Service.
University of Maryland. Home and Garden Information Center.
University of Kentucky. College of Agriculture.
University of Kentucky. Cooperative Extension Service.
See also: Woody Ornamentals for more fact sheets.
University of Kentucky. College of Agriculture, Food, and Environment. Entomology.
University of Maryland Extension.
See also: Pest Threats for more fact sheets
University of Idaho. Extension.