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Dendroctonus - Pine Bark Beetles 3
| | Pests and Diseases - Agriculture, Science 244
Plant Pathology - Botany, Biology, Science 117
Entomology - Arthropoda, Zoology, Biology, Science 86
 Asian Longhorned BeetleAsian Longhorned Beetle
 Brief account of the introduction of this Chinese insect into North America, and with a list of the affected species.
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Brown Spruce Longhorn BeetleBrown Spruce Longhorn Beetle
 Brief account of this pest of spruce trees, its growth, and means of control.
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Bugwood Network, The University of GeorgiaBugwood Network, The University of Georgia
 Extensive resource on forest insects and related topics.
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California Oak Mortality Task ForceCalifornia Oak Mortality Task Force
 Task force focusing on the pathogen causing Sudden Oak Death disease through research, management, education and public policy.
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Dutch Elm DiseaseDutch Elm Disease
 Provides information on this disease caused by Ophiostoma ulmi, its host plants, symptoms and recommendations.
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Exotic Forest Pest Information System for North AmericaExotic Forest Pest Information System for North America
 Database containing information on exotic insects, mites and pathogens with potential to cause significant damage to North American forest resources.
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Focus on Woody Plant DiseasesFocus on Woody Plant Diseases
 Information by host plant on diseases and damages affecting trees and perennial flowers from the University of Illinois Extension.
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Forest and Shade Tree PathologyForest and Shade Tree Pathology
 Online textbook, news and upcoming meetings of forest pathology.
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Forestry ImagesForestry Images
 Quality photographs of forest insects and disease organisms. Contains image search or browse by categories.
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Gypsy MothGypsy Moth
 A short account of this caterpillar pest of maples, oaks and elms.
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Gypsy Moth in North AmericaGypsy Moth in North America
 Extensive information on the biology, impact, distribution and management of this exotic insect in North America.
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Insects and Diseases of Eastern Canada's ForestsInsects and Diseases of Eastern Canada's Forests
 An extensive collection of images and a variety of information on the main insects and diseases of the forests of Quebec and Eastern Canada.
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Invasive and Exotic Species of North AmericaInvasive and Exotic Species of North America
 Provides extensive information on all kinds of invasive species in North America.
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Iron Chlorosis in TreesIron Chlorosis in Trees
 The symptoms, diagnosis and correction of this condition. [PDF]
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Iron Chlorosis on TreesIron Chlorosis on Trees
 Provides information on this condition, the most susceptible trees and recommendations for treatment.
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Key to the Forest Insect Pests of Papua New GuineaKey to the Forest Insect Pests of Papua New Guinea
 Allows the identification of the most important forest insect pests of Papua New Guinea and includes descriptions of insect signs, preventive measures, bibliographic references and a comprehensive glossary of terms
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Monitoring Sudden Oak DeathMonitoring Sudden Oak Death
 Created by the University of California's Sudden Oak Death Research Team, this site monitors the distribution of the disease.
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Oak WiltOak Wilt
 Information on this disease caused by the fungus Ceratocystis fagacearum, its hosts, symptoms and recommendations for control.
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Pine Root Rot: A Biocontrol SystemPine Root Rot: A Biocontrol System
 Information on the use of the weakly parasitic fungus, Phlebiopsis gigantea, to prevent the attack of the pathogenic fungus, Heterobasidion annosum.
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Plant disease diagnostics (Minnesota)Plant disease diagnostics (Minnesota)
 Plant disease diagnostics by the University of Minnesota Extension Service. Mainly designed for plant disease problems in yards and gardens. It is based on visual observations of symptoms. It has a section on trees that might be useful in forestry.
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Problem: GallsProblem: Galls
 Provides information on these abnormal growths caused by insects and recommendations on control.
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Sedelmeier Forestry Research FundSedelmeier Forestry Research Fund
 Provides funding for critical research into the causes, control, prevention, and the eventual elimination of some of the diseases that affect the trees of our forests.
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Tent CaterpillarsTent Caterpillars
 The Eastern tent caterpillar affects black cherry trees and other fruit and shade trees. The forest tent caterpillar infests hardwood trees such as sugar maple and oak.
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University of California Cooperative Extension: Sudden Oak Death FactsUniversity of California Cooperative Extension: Sudden Oak Death Facts
 Provides practical information on this disease including distribution, symptoms, prevention, quarantines and look-alike diseases.
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USDA Forest Insect and Disease LeafletsUSDA Forest Insect and Disease Leaflets
 USDA technical publications that address specific tree pests and diseases, including identification and control.
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