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2021 Thousand Cankers Disease Survey Guidelines

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

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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

Plant Diesase
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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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2015 Survey and Sampling Guidelines for TCD

USDA Forest Service, Plant Protection and Quarantine
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Status of thousand cankers disease on eastern black walnut in the eastern United States at two locations over 3 years

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

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Detecting and Identifying the Walnut Twig Beetle: Monitoring Guidelines

University of California Agriculture and Natural Resources Statewide IPM Program
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Quick Guide: Installing, Maintaining, and Servicing Walnut Twig Beetle Pheromone-baited Traps

University of California Agriculture and Natural Resources Statewide IPM Program
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Field Identification Guide: Walnut Twig Beetle and Thousand Cankers Disease

University of California Agriculture and Natural Resources Statewide IPM Program
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Sanitation Measures to Control Walnut Twig Beetle (Pityophthorus juglandis) Emergence from Felled Black Walnut Logs

Colorado State University, Bioagricultural Sciences and Pest Management
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2011 PPQ Activities for TCD

USDA and Animal and Plant Health Inspection Service
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Method for Isolating and Maintaining Cultures of Geosmithia from Juglans nigra

Colorado State University, Bioagricultural Sciences and Pest Management
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APHIS Assessment of the Movement of Firewood within the United States

USDA and Animal and Plant Health Inspection Service
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National Response Framework for Thousand Cankers Disease on Walnut

Animal and Plant Health Inspection Service
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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

Tennessee Department of Agriculture
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Nebraska’s Forest Resources, 2008

USDA Forest Service, Northern Research Station
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TCD Economic Assessment for Missouri

Missouri Department of Conservation
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TCD Pathway Assessment

USDA and Animal and Plant Health Inspection Service
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Kansas Surveying and Sampling for TCD of Walnut

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

Mayfield et al.
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