The Bug Review
University of Illinois Extension searchable database offers name, habits, damage, and control options for a variety of pests.
Ohioline: Insects and Pests
Extension fact sheets describe nuisance and beneficial pests' identification, life cycle, habits, and control measures.
Plant Pathology Fact Sheets
Describes common plant diseases in northeast U.S. greenhouses, nurseries, and indoor and outdoor plantings.
UC IPM Online
Resource for managing insects and other pests in the home garden. Articles on many problems, including skunks, deer, beetles, mildew and more. Weed gallery.
Vegetable Garden Pest Management
Looks at insect management, natural enemies, biological control, and managing nematodes. Lists pests with image, description, diet, and treatment.