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2020 Thousand Cankers Disease Survey Guidelines

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The Effects of Weather on the Flight of an Invasive Bark Beetle, Pityophthorus juglandis

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Seed Propagation Protocol for Pure and Hybrid Butternut (Juglans cinerea L.)

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Host selection behavior mediated by differential landing rates of the walnut twig beetle, Pityophthorus juglandis, and associated subcortical insect species, on two western North American walnut species, Juglans californica and J. major

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Detection of Geosmithia morbida on Numerous Insect Species in Four Eastern States

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Assessment of Alternative Candidate Subcortical Insect Vectors From Walnut Crowns in Habitats Quarantined for Thousand Cankers Disease

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Detection of Geosmithia morbida on Numerous Insect Species in Q:1 Four Eastern States

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Effect of Bark Application With Beauveria bassiana and Permethrin Insecticide on the Walnut Twig Beetle (Coleoptera: Curculionidae) in Black Walnut Bolts

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Unwelcomed stowaways and their role in thousand cankers disease spread

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The potential for pesticide trunk injections for control of thousand cankers disease of walnut

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Methyl Bromide Fumigation to Eliminate Thousand Cankers Disease Causal Agents from Black Walnut

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Geosmithia Species in Florida: Common Fungal Symbionts of Wood-Boring Bark Beetles

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Geosmithia species in southeastern USA and their affinity to beetle vectors and tree hosts

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Thousand cankers disease photos

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Thousand cankers disease photos on Google Images

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Learn about the risks of moving firewood

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Thousand Cankers Disease at ProtectTNForests.org

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Oregon State University Extension Online Guide to TCD

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Purdue University Plant & Pest Diagnostic Laboratory

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Missouri Department of Conservation TCD website

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Colorado State University, Department of Bioagricultural Sciences and Pest Management website for TCD

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University of California Integrated Pest Management TCD Site

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USDA National Agricultural Library TCD Website

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Insects collected from wood infested with Pityophthorus juglandis Blackman (Coleoptera Curculionidae Scolytinae) in the Piemonte region, Northwestern Italy

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2018 survey guidelines now available

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Reproduction and potential range expansion of walnut twig beetle across the Juglandaceae

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Mycobiota associated with insect galleries in walnut with thousand cankers disease reveals a potential natural enemy against Geosmithia morbida

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A novel molecular toolkit for rapid detection of the pathogen and primary vector of thousand cankers disease

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Comparative Genomics of Pathogenic and Nonpathogenic Beetle-Vectored Fungi in the Genus Geosmithia

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Behavioral Responses of Pityophthorus juglandis (Coleoptera: Curculionidae: Scolytinae) to Volatiles of Black Walnut and Geosmithia morbida (Ascomycota: Hypocreales: Bionectriaceae), the Causal Agent of Thousand Cankers Disease

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Michigan Seeks Comments on Proposed Revision to TCD Quarantine

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Presentations from June 2017 meeting now online

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Mortality and reduced brood production in walnut twig beetles, Pityophthorus juglandis (Coleoptera: Curculionidae), following exposure to commercial strains of entomopathogenic fungi Beauveria bassiana and Metarhizium brunneum

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Thousand Cankers Disease Research and Management Operational Meeting

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Cold Tolerance of Pityophthorus juglandis (Coleoptera: Scolytidae) From Northern California

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TCD Research & Management Operational Meeting June 13-15, 2017

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Genomic comparison of Geosmithia morbida isolates from genetically distinct clusters

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Thousand Cankers Disease Complex: A Forest Health Issue that Threatens Juglans Species across the U.S.

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Virulence of Genetically Distinct Geosmithia morbida Isolates to Black Walnut and Their Response to Coinoculation with Fusarium solani

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Thousand cankers disease in Europe: an overview

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First report of Geosmithia morbida on ambrosia beetles emerged from thousand cankers-diseased Juglans nigra in Ohio

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De novo genome assembly of Geosmithia morbida, the causal agent of thousand cankers disease

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Life history and geographical distribution of the walnut twig beetle, Pityophthorus juglandis (Coleoptera: Scolytinae), in southern Europe

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Phytosanitation Methods Influence Posttreatment Colonization of Juglans nigra Logs by Pityophthorus juglandis (Coleoptera: Curculionidae: Scolytinae)

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Wingnut (Juglandaceae) as a new generic host for Pityophthorus juglandis (Coleoptera: Curculionidae) and the thousand cankers disease pathogen, Geosmithia morbida (Ascomycota: Hypocreales)

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Walnut Twig Beetle Detected in Indiana

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2015 Survey and Sampling Guidelines for TCD

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MD implements TCD quarantine in Cecil County

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Status of thousand cankers disease on eastern black walnut in the eastern United States at two locations over 3 years

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TCD fungus found on S. pallidus weevil in Indiana. Walnut twig beetle not yet detected.

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Discovery of Walnut Twig Beetle, Pityophthorus juglandis, Associated with Forested Black Walnut, Juglans nigra, in the Eastern U.S.

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First record of TCD in Europe

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Efficacy of Heat Treatment for the Thousand Cankers Disease Vector and Pathogen in Small Black Walnut Logs

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Additional Walnut Twig Beetles detected in Butler County, OH

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May TCD Webinar recordings now available

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April TCD webinar recordings now available

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March TCD recording now available

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Detecting and Identifying the Walnut Twig Beetle: Monitoring Guidelines

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Quick Guide: Installing, Maintaining, and Servicing Walnut Twig Beetle Pheromone-baited Traps

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Field Identification Guide: Walnut Twig Beetle and Thousand Cankers Disease

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USDA Thousand Cankers Disease Pest Alert

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NC amends exterior quarantine due to TCD findings in Haywood County

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Sanitation Measures to Control Walnut Twig Beetle (Pityophthorus juglandis) Emergence from Felled Black Walnut Logs

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New phone app lets you report invasive species

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Ohio implements exterior quarantine for TCD

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Walnut Twig Beetle and TCD Disease of Black Walnut

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Thousand Cankers Disease: Methods and Research and Technology Development Needs Assessment Workshop

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Illinois TCD Factsheet

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Thousand Cankers a walnut killer

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Indiana TCD bulletin

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Walnut Thousand Cankers Disease Alert

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Utah TCD of Walnut Fact Sheet

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More research needed for TCD in California walnuts

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2011 PPQ Activities for TCD

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Method for Isolating and Maintaining Cultures of Geosmithia from Juglans nigra

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APHIS Assessment of the Movement of Firewood within the United States

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National Response Framework for Thousand Cankers Disease on Walnut

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Walnut twig beetle: update on the biology and chemical ecology of a vector of an invasive fatal disease of walnut in the western U.S.

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Tennessee TCD Action Plan

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Oklahoma Emergency Quarantine for Thousand Cankers Disease

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Nebraska’s Forest Resources, 2008

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TCD Economic Assessment for Missouri

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TCD Pathway Assessment

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Kansas Surveying and Sampling for TCD of Walnut

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Effect of debarking and heating on survival of the thousand cankers disease vector and pathogen in black walnut logs

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