Positions

Selected Publications

Academic Article

Year Title
2024 Southern pine beetle (Coleoptera: Curculionidae) and its associated insect community: similarities and key differences between northeastern and southeastern pine forests.Environmental Entomology.  53:143-156. 2024
2023 New Records of Southern Pine Beetle (Dendroctonus frontalis Zimmermann; Coleoptera: Curculionidae) in New York, New Hampshire, and Maine, USA Indicate Northward Range ExpansionColeopterists Bulletin.  77. 2023
2022 Experimental admixture among distinct lineages of Deladenus siricidicola, the biocontrol agent of Sirex noctilioBiological Control.  169:Not-Available. 2022
2022 Demography of an invading forest insect reunited with hosts and parasitoids from its native rangeNeoBiota.  72:81-107. 2022
2021 Diversity and Introduction History of Glycaspis brimblecombei Reflects a History of Bridgeheads and Distinct InvasionsFRONTIERS IN FORESTS AND GLOBAL CHANGE.  4. 2021
2021 Pathogen and Endophyte Assemblages Co-vary With Beech Bark Disease Progression, Tree Decline, and Regional ClimateFRONTIERS IN FORESTS AND GLOBAL CHANGE.  4. 2021
2021 Aggressive tree killer or natural thinning agent? Assessing the impacts of a globally important forest insectForest Ecology and Management.  483:Not-Available. 2021
2020 Biotic and abiotic effects on density, body size, sex ratio, and survival in immature stages of the European woodwasp, Sirex noctilio.Ecology and Evolution.  10:13752-13766. 2020
2020 Reconstructing early routes of invasion of the bronze bug Thaumastocoris peregrinus (Hemiptera: Thaumastocoridae): cities as bridgeheads for global pest invasionsBiological Invasions.  22:2325-2338. 2020
2020 Characterization of mating type genes in heterothallicNeonectriaspecies with emphasis onN. coccinea, N. ditissima,andN. faginata 2020
2020 Characterization of mating type genes in heterothallic Neonectria species, with emphasis on N. coccinea, N. ditissima, and N. faginata.Mycologia.  112:880-894. 2020
2019 Local antagonism and resource partitioning between two invasive pine plantation pestsAgricultural and Forest Entomology.  21:276-285. 2019
2019 Mechanisms that influence sex ratio variation in the invasive hymenopteran Sirex noctilio in South Africa.Ecology and Evolution.  9:7966-7973. 2019
2019 The global diversity of Deladenus siricidicola in native and non-native populationsBiological Control.  132:57-65. 2019
2019 Predictors of Phytophthora diversity and community composition in natural areas across diverse Australian ecoregionsEcography: pattern and diversity in ecology.  42:594-607. 2019
2019 Current status of the Botryosphaeriaceae in AustraliaAustralasian Plant Pathology Australian Plant Pathology Society Newsletter.  48:35-44. 2019
2019 Potential mechanisms that influence sex ratio variation in the invasive Hymenopteran Sirex noctilio in South AfricaEcology and Evolution2019
2018 Rapid evolution of insects to global environmental change: conceptual issues and empirical gaps.Current Opinion in Insect Science.  29:93-101. 2018
2018 Parasitoid assemblage associated with a North American pine weevil in South AfricaAgricultural and Forest Entomology.  20:208-216. 2018
2018 Patterns of insect diversity on exotic Acacia mearnsii with comparisons to Vachellia sieberiana in South Africa 2018
2017 Metacommunity analyses of Ceratocystidaceae fungi across heterogeneous African savanna landscapesFungal Ecology.  28:76-85. 2017
2017 Assessment of beetle diversity, community composition and potential threats to forestry using kairomone-baited traps.Bulletin of Entomological Research: containing original and review articles on economic entomology.  107:106-117. 2017
2017 Distribution and diversity of Phytophthora across AustraliaPacific Conservation Biology.  23:150-150. 2017
2016 Host specificity and diversity of Amylostereum associated with Japanese siricidsFungal Ecology.  24:76-81. 2016
2016 Identification and genetic diversity of two invasive Pissodes spp. Germar (Coleoptera: Curculionidae) in their introduced range in the southern hemisphereBiological Invasions.  18:2283-2297. 2016
2016 Complex patterns of global spread in invasive insects: eco-evolutionary and management consequencesBiological Invasions.  18:935-952. 2016
2016 Defining invasiveness and invasibility in ecological networksBiological Invasions.  18:971-983. 2016
2016 Drivers, impacts, mechanisms and adaptation in insect invasionsBiological Invasions.  18:883-891. 2016
2016 Exotic biological control agents: A solution or contribution to arthropod invasions?Biological Invasions.  18:953-969. 2016
2016 Increasing numbers and intercontinental spread of invasive insects on eucalyptsBiological Invasions.  18:921-933. 2016
2016 Novel and co-evolved associations between insects and microorganisms as drivers of forest pestilenceBiological Invasions.  18:1045-1056. 2016
2016 Temporal and interspecific variation in rates of spread for insect species invading Europe during the last 200 yearsBiological Invasions.  18:907-920. 2016
2015 Population dynamics of Thaumastocoris peregrinus in Eucalyptus plantations of South AfricaJournal of Pest Science.  88:97-106. 2015
2015 Assessing trap and lure effectiveness for the monitoring of Sirex noctilioAgricultural and Forest Entomology.  17:64-70. 2015
2014 Mechanisms of competitive displacement of native ant fauna by invading Myrmica rubra (Hymenoptera: Formicidae) populations.Environmental Entomology.  43:1496-1506. 2014
2014 Temperature explains variable spread rates of the invasive woodwasp Sirex noctilio in the Southern HemisphereBiological Invasions.  16:329-339. 2014
2013 Biology and rearing of Cleruchoides noackae (Hymenoptera: Mymaridae), an egg parasitoid for the biological control of Thaumastocoris peregrinus (Hemiptera: Thaumastocoridae).Journal of Economic Entomology.  106:1979-1985. 2013
2013 Lack of fidelity revealed in an insect-fungal mutualism after invasion.Biology Letters.  9:20130342. 2013
2013 Established and new technologies reduce increasing pest and pathogen threats to Eucalypt plantationsForest Ecology and Management.  301:35-42. 2013
2013 Inferring controls on the epidemiology of beech bark disease from spatial patterning of disease organismsAgricultural and Forest Entomology.  15:146-156. 2013
2013 Parallel host range expansion in two unrelated cossid moths infesting Eucalyptus nitens on two continentsEcological Entomology.  38:112-116. 2013
2013 Ion Torrent PGM as tool for fungal community analysis: a case study of endophytes in Eucalyptus grandis reveals high taxonomic diversity.PLoS ONE.  8:e81718. 2013
2012 Disease ontogeny overshadows effects of climate and species interactions on population dynamics in a nonnative forest disease complexEcography: pattern and diversity in ecology.  35:412-421. 2012
2012 Homopterans and an invasive red ant, Myrmica rubra (L.), in Maine.Environmental Entomology.  41:59-71. 2012
2012 Biological control of forest plantation pests in an interconnected world requires greater international focusInternational Journal of Pest Management.  58:211-223. 2012
2011 Subcontinental impacts of an invasive tree disease on forest structure and dynamicsJournal of Ecology.  99:532-541. 2011
2009 Responses of insect pests, pathogens, and invasive plant species to climate change in the forests of northeastern North America: What can we predict?Canadian Journal of Forest Research.  39:231-248. 2009
2007 Intercolony aggression within and among local populations of the invasive ant, Myrmica rubra (Hymenoptera: Formicidae), in coastal Maine.Environmental Entomology.  36:105-113. 2007
2005 Distribution of an Invasive Ant, <I>Myrmica rubra</I> (Hymenoptera: Formicidae), in MaineJournal of Economic Entomology.  98:1774-1784. 2005
2005 Distribution of an invasive ant, Myrmica rubra (Hymenoptera: Formicidae), in Maine.Journal of Economic Entomology.  98:1774-1784. 2005
Reconstructing routes of invasion of the Bronze Bug Thaumastocoris peregrinus ﴾Hemiptera: Thaumastocoridae﴿Biological Invasions
Testing hypotheses of invasion pathways of the ladybird Harmonia axyridis into and across South AfricaBiological Invasions

Chapter

Year Title
2023 Forest Insect Population Dynamics.  115-140. 2023
2019 Effects of drought on forests and rangelands in the United States 2019
2016 Insects and Diseases of Mediterranean Forests: A South African Perspective.  397-430. 2016
Population Dynamics

Conference Paper

Year Title
2010 PROGRESS IN UNDERSTANDING THE ECOLOGY AND DETECTION OF SIREX NOCTILIOPROCEEDINGS OF THE 21ST U S DEPARTMENT OF AGRICULTURE INTERAGENCY RESEARCH FORUM ON INVASIVE SPECIES. 2-3. 2010

Editor Of

Principal Investigator On

  • Pheromone- based monitoring and control program for browntail moth in the Northeast  awarded by University of Maine 2021 - 2024
  • Invasive Pest Effects in Forests Demographics and Novel Equilibria Across the Northeastern US  awarded by University of Vermont 2022 - 2024
  • Movement Dynamics of Emamectin Benzoate in Ash: impacts on chemical and biological control of Emerald ash borer  awarded by US DA, Department of Agriculture 2022 - 2023
  • Risk assessment of non-target effects of systemically injected emamectin benzoate on soil arthropod communities in association with the Emerald ash borer  awarded by US DA, United States Forest Service 2021 - 2023
  • Field variation in emamectin benzoate concentrations and its impacts on Emerald ash borer and its biological control agents  awarded by US DA, Department of Agriculture 2021 - 2022
  • Integrated Understanding of Ash Resistance and Emamectin Benzoate  awarded by US DA, Department of Agriculture 2020 - 2022
  • Integrated Understanding of American Ash Resistance to the Emerald Ash Borer Across Tree Sizes  awarded by US DA, Department of Agriculture 2019 - 2021
  • Efficacy Testing LALGUARD Systemic Insecticide  awarded by Danstar Ferment AG 2019 - 2021
  • Intergrated Understanding of American Ash Resistance to the Emerald Ash Borer  awarded by US DA, Department of Agriculture 2018 - 2020
  • Invasion Watch: Tools for Listing and Visualizing Invasive Plant Range Shifts with Climate Change  awarded by Cornell University 2018 - 2019
  • Evaluation of Insects Associated with Southern Pine Beetle on Long Island  awarded by US DA, United States Forest Service 2017 - 2019
  • Development and Optimization of EAB Adult Rearing and Ash Phloem Chemistry Sampling and Processing  awarded by US DA, Department of Agriculture 2018 - 2019
  • Examining the Effects of Emerald Ash Borer Density and Tree Condition on Rates of Parasitism by Native and Introduced Natural Enemies  awarded by US DA, Department of Agriculture 2017 - 2018
  • Examining the Effects of Emerald Ash Borer Density and Tree Condition on Rates of Parasitism by Native and Introduced Natural Enemies  awarded by US DA, Department of Agriculture 2016 - 2017
  • Examining the effects of Emerald Ash Borer density and tree condition on parasitism by the introduced biocontrol wasp, Tetrashichus planipennisi  awarded by Animal Plant Health and Inspection Service (APHIS), Farm Bill 2018 -
  • Patterns and consequences of complex interactions between ash tree size and resistance to Emerald ash borer and effects on parasitoids in the Northeast  awarded by Animal Plant Health and Inspection Service (APHIS), Farm Bill 2018 -
  • Teaching Activities

  • Community Ecology Taught course 2023
  • Work Experience Taught course 2023
  • Work Experience Taught course 2022 - 2023
  • Forest Health Taught course 2022
  • Forest Health Taught course 2022
  • Work Experience Taught course 2022
  • Forest Entomology Taught course 2021
  • Forest Entomology Taught course 2021
  • Forest Health Taught course 2021
  • Forest Health Taught course 2021
  • Work Experience Taught course 2021
  • Community Ecology Taught course 2021
  • Forest Health Taught course 2020
  • Forest Health Taught course 2020
  • Work Experience Taught course 2020
  • Work Experience Taught course 2020
  • Forest Entomology Taught course 2019
  • Forest Entomology Taught course 2019
  • Forest Health Taught course 2019
  • Forest Health Taught course 2019
  • Inv/CareerExperiencesForestry Taught course 2019
  • Work Experience Taught course 2019
  • Sem/Appl Evolution in mgmt sys Taught course 2019
  • Forest Health Taught course 2018
  • Forest Health Taught course 2018
  • Work Experience Taught course 2018
  • Work Experience Taught course 2018
  • Forest Entomology Taught course 2017
  • Forest Entomology Taught course 2017
  • Forest Health Taught course 2017
  • Forest Health Taught course 2017
  • Monitoring Forest Health Taught course 2016
  • Education And Training

  • B.A. Psychology, University of Colorado at Boulder
  • M.S. Ecology and Evolution, University of Maine
  • Ph.D. Ecology and Evolution, Dartmouth College
  • Full Name

  • Jeffrey Garnas