- Asian Longhorned Beetle
- Access to information featuring this potentially serious threat to some of North America’s trees.
- Brown Spruce Longhorn Beetle
- Information guide showcasing this relatively innocuous pest across Europe.
- The Bugwood Network
- Includes resources – information and photos – on forest pests such as bark beetles, insects, diseases, and weeds.
- California Oak Mortality Task Force
- Dedicated to studying Phytophthora ramorum, a plant pathogen which can have devastating effects in the wetlands.
- Exotic Forest Pest Information System for North America
- Contains a searchable database that provides fact sheets on pests that are a threat to North American forests, list of contacts, and discussion forum.
- Focus on Plant Problems
- Presents comprehensive information on the diseases of evergreen and deciduous trees and shrubs and perennial flowers.
- Forest and Shade Tree Pathology
- Site provides information on various forest pathology-related topics.
- Forest and Tree Health Publications and Fact Sheets
- Contains miscellaneous list of publications on tree pests and diseases.
- Forestry Images
- Source for forest health, natural resources and silviculture images.
- Gypsy Moth
- Overview on the tree pest and its possible damages. Prevention details included.
- Gypsy Moth in North America
- Details and photo of one of North America’s most devastating forest pests.
- Insects and Diseases of Eastern Canada's Forests
- Collection of information presenting different pests and diseases affecting forests in East Canada.
- Monitoring Sudden Oak Death
- Provides access to sudden oak death maps, data, reported sightings, monitoring resources, and related links.
- Tent Caterpillars
- Information on the eastern and forest tent caterpillars that affect black cherries and other fruit and shade trees, and hardwoods, respectively.
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