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 Temperate Tree Fruit and Vegetable Research: Wapato, WA
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ARS Home Pacific West Area Wapato, Washington Temperate Tree Fruit and Vegetable Research People







Gina  Angelella    Research Entomologist /ARSUserFiles/55744/Angelella.jpg **Education:** B.S. Environmental Biology/Zoology, Michigan State UniversityM.S. Entomology, The University of GeorgiaPh.D. Entomology, Purdue University **Research Interests:** The biology, ecology, and behavior of insect pests and vectors of potato plant pathogens. The epidemiology and mechanisms of insect-vectored potato plant pathogens. **Aims:** To improve our knowledge of insect vector–pathogen–host plant interactions as well as mechanisms of pathogen transmission. To apply that knowledge toward the development of sustainable management solutions. **Background:** Potatoes are the dominant vegetable crop produced in the United States, the bulk of which are grown in the Pacific Northwest. Insect damage and disease symptoms in potato tubers are not suitable for fresh markets or processing, necessitating effective management tools. For insect-vectored potato pathogens, this often requires managing the vectors and breaking the pathogen transmission cycle. However, current potato pest management strategies are heavily reliant on pesticides which can be financially and environmentally costly and may not be effective at preventing or mitigating insect-vectored pathogen outbreaks. **Approach:** Research contributing to our knowledge of potato pest biology, ecology, and behavior, as well as insect-vectored potato pathogen reservoirs, vectors, transmission mechanisms, and epidemiology. Ideally, this knowledge can then be incorporated into an integrated pest management approach to developing effective tools for outbreak prevention and mitigation. **Laboratory Personnel:** Joanna Schuller, Biological Science Technician Jillian Foutz, Biological Science Technician Sally Longoria, Biological Science Technician  ProjectsNew Technologies and Strategies for Managing Emerging Insect Pests and Insect Transmitted Pathogens of PotatoesIn-House Appropriated (D)Accession Number:439448Enhancing Integrated Insect Pest Management Strategies for U.S. Potato Production SystemsReimbursable Cooperative Agreement (R)Accession Number:445696Identification of New ‘Ca. L. solanacearum’ Plant Pathogens and Their Psyllid Vectors and Plant Hosts in Oregon State.Non-Assistance Cooperative Agreement (S)Accession Number:444947Identification of New ‘Ca. L. solanacearum’ Plant Pathogens and Their Psyllid Vectors and Plant Hosts in Washington State.Non-Assistance Cooperative Agreement (S)Accession Number:444950Assessing Whether Potato Leafroll Virus Transmission and Feeding Behavior of the Green Peach Aphid in Potatoes is Altered by AfidopyropenNon-Assistance Cooperative Agreement (S)Accession Number:440437Genetic Insights into Leafhopper/Phytoplasma Interactions and Gene-based Immunization for Plant Disease ControlNon-Assistance Cooperative Agreement (S)Accession Number:441667Identifying the Sources of Aphids and Aphid-vectored Viruses Afflicting Potato FieldsNon-Assistance Cooperative Agreement (S)Accession Number:442489Integrative Approaches to Understanding How Vector Proteins Affect Plant Defense and Plant-Insect InteractionsNon-Assistance Cooperative Agreement (S)Accession Number:442490Green Peach Aphid–Plant Interactions in Southern IdahoNon-Assistance Cooperative Agreement (S)Accession Number:442864Exploring Alternatives to Neonicotinoids for Insect-Vectored Virus Management in PotatoesTrust Fund Cooperative Agreement (T)Accession Number:444423  ARS News ArticlesNo news articles listed for this employee.  Publications(Clicking on the reprint iconReprint Icon  will take you to the publication reprint.)Afidopyropen as a potential tool for potato leafroll virus management in post-neonicotinoid potato production-(Peer Reviewed Journal) Angelella, G.M., Waters, T.D. 2023. Afidopyropen as a potential tool for potato leafroll virus management in post-neonicotinoid potato production. Journal of Economic Entomology. 116(3):713-718. https://doi.org/10.1093/jee/toad042.Acquisition and transmission of “Candidatus Liberibacter solanacearum” differs among Wolbachia-infected and uninfected haplotypes of Bactericera cockerelli-(Peer Reviewed Journal) Cooper, W.R., Swisher Grimm, K.D., Angelella, G.M., Mustafa, T. 2023. Acquisition and transmission of “Candidatus Liberibacter solanacearum” differs among Wolbachia-infected and uninfected haplotypes of Bactericera cockerelli. Plant Disease. 107:2440-2445. https://doi.org/10.1094/PDIS-11-22-2701-RE.Beet leafhopper associated pathogens in the Columbia Basin of Washington-(Trade Journal) Swisher Grimm, K.D., Angelella, G.M., Cooper, W.R., Gorman, C., Crowder, D., Wohleb, C. 2023. Beet leafhopper associated pathogens in the Columbia Basin of Washington. Carrot Country. 31(2):8-11.Bacterial endosymbionts identified from leafhopper (Hemiptera: Cicadellidae) vectors of phytoplasmas-(Peer Reviewed Journal) Cooper, W.R., Walker III, W.B., Angelella, G.M., Swisher Grimm, K.D., Foutz, J.J., Harper, S.J., Nottingham, L.B., Northfield, T.D., Wohleb, C.H., Stausbaugh, C.A. 2023. Bacterial endosymbionts identified from leafhopper (Hemiptera: Cicadellidae) vectors of phytoplasmas. Environmental Entomology. 52(2):243-353. https://doi.org/10.1093/ee/nvad015.Diverse landscapes but not wildflower plantings increase marketable crop yield-(Peer Reviewed Journal) McCullough, C., Grab, H., Angelella, G.M., Karpanty, S., Samtani, J., Olimpi, E., O'Rourke, M. 2022. Diverse landscapes but not wildflower plantings increase marketable crop yield. Agriculture, Ecosystems and Environment. 339. Article 108120. https://doi.org/10.1016/j.agee.2022.108120.Landscape context influences the bee conservation value of wildflower plantings-(Peer Reviewed Journal) McCullough, C.T., Angelella, G.M., O'Rourke, M.E. 2021. Landscape context influences the bee conservation value of wildflower plantings. Environmental Entomology. 50(4):821-831. https://doi.org/10.1093/ee/nvab036.Honey bee hives decrease the conservation value and pollination services of on-farm pollinator refuges-(Peer Reviewed Journal) Angelella, G.M., Mccullough, C.T., O'Rourke, M.E. 2021. Honey bee hives decrease the conservation value and pollination services of on-farm pollinator refuges. Journal of Applied Ecology. 3202 (2021). https://doi.org/10.1038/s41598-021-81967-1.Conservation wildflower plantings do not enhance on-farm abundance of Amblyomma americanum (Ixodida: Ixodidae)-(Peer Reviewed Journal) Mccullough, C.T., Angelella, G.M., O'Rourke, M.E. 2020. Conservation wildflower plantings do not enhance on-farm abundance of Amblyomma americanum (Ixodida: Ixodidae). Insects. https://doi.org/10.3390/insects11090617.


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