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                    U.S. DEPARTMENT OF AGRICULTURE
 Animal Disease Research: Pullman, WA
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ARS Home Pacific West Area Pullman, Washington Animal Disease Research People & Locations







Karen  Poh
                        Animal Disease Research

                        




                        
                        Research Entomologist
                        Phone: (509) 335-6334
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsControl Strategies for Bovine Babesiosis
                                                    In-House Appropriated
                                                                    (D)Accession Number: 441168Control Strategies for Theileriosis
                                                    In-House Appropriated
                                                                    (D)Accession Number: 441269Identifying Effective Immune Responses and Vaccine Development for Bovine Anaplasmosis
                                                    In-House Appropriated
                                                                    (D)Accession Number: 441274Ticks and Tick-Borne Pathogens Affecting Livestock in Zimbabwe
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 444409**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Knowledge and perception of equine ticks and tick-borne diseases of Pennsylvania horse owners and caretakers
                                                        

- (Peer Reviewed Journal)Smarsh, D.N., Kenny, L.B., Spindler, M., Poh, K.C., Machtinger, E.T. 2024. Knowledge and perception of equine ticks and tick-borne diseases of Pennsylvania horse owners and caretakers. Journal of Equine Veterinary Science. https://doi.org/10.1016/j.jevs.2024.105092.Nilgai antelope display no signs of infection upon experimental challenge with a virulent Babesia bovis strain
                                                        

- (Peer Reviewed Journal)Johnson, T.L., Persinger, K.A., Taus, N.S., Davis, S.K., Poh, K.C., Kappmeyer, L.S., Laughery, J.M., Capelli-Peixoto, J., Lohmeyer, K.H., Ueti, M.W., Olafson, P.U. 2024. Nilgai antelope display no signs of infection upon experimental challenge with a virulent Babesia bovis strain. Parasites & Vectors. https://doi.org/10.1186/s13071-024-06316-3.An assessment of equine veterinarian knowledge and perceptions of ticks and tick-borne diseases in the United States to inform continuing education needs
                                                        

- (Peer Reviewed Journal)Machtinger, E.T., Smarsh, D.N., Kenny, L.B., Poh, K.C., Orr, E.L., Kirkland, B.G., Springer, H.R. 2023. An assessment of equine veterinarian knowledge and perceptions of ticks and tick-borne diseases in the United States to inform continuing education needs. Equine Veterinary Journal. https://doi.org/10.1111/eve.13931.An integrative framework for tick management: The need to connect wildlife science, one health, and interdisciplinary perspectives
                                                        

- (Peer Reviewed Journal)Machtinger, E.T., Poh, K.C., Pesapane, R., Tufts, D.M. 2023. An integrative framework for tick management: The need to connect wildlife science, one health, and interdisciplinary perspectives. Insect Science. https://doi.org/10.1016/j.cois.2023.101131.A comparison of European deer keds (Diptera: Hippoboscidae: Lipoptena cervi (Linnaeus)) and blacklegged ticks (Ixodida: Ixodidae: Ixodes scapularis say) on elk (Cervus canadensis (Erxleben)) and white-tailed deer (Odocoileus

- (Peer Reviewed Journal)Skvarla, M.J., Poh, K.C., Norman, C., Struckhoff, D.E., Machtinger, E. 2023. A comparison of European deer keds (Diptera: Hippoboscidae: Lipoptena cervi (Linnaeus)) and blacklegged ticks (Ixodida: Ixodidae: Ixodes scapularis say) on elk (Cervus canadensis (Erxleben)) and white-tailed deer (Odocoileus virgunianus (Zimmermann, 1780) in Pennsylvania. Journal of Entomological Society of Ontario. 154.Differential burdens of blacklegged ticks (Ixodes scapularis) on sympatric rodent hosts
                                                        

- (Peer Reviewed Journal)Brown, J.E., Tiffin, H.S., Pagac, A., Poh, K.C., Evans, J.R., Miller, T.M., Herrin, B.H., Sutherland, C., Machtinger, E.T. 2023. Differential burdens of blacklegged ticks (Ixodes scapularis) on sympatric rodent hosts. Journal of Vector Ecology. 49(1):44-52. https://doi.org/10.52707/1081-1710-49.1.44.Dermacentor variabilis does not transstadially transmit the U.S. Isolate of Theileria orientalis Ikeda: A controlled acquisition and transmission study
                                                        

- (Peer Reviewed Journal)Onzere, C.K., Hassan, A., Herndon, D.R., Oyen, K.J., Poh, K.C., Scoles, G.A., Fry, L.M. 2023. Dermacentor variabilis does not transstadially transmit the U.S. Isolate of Theileria orientalis Ikeda: A controlled acquisition and transmission study. Parasitologia. 3(3):284-292. https://doi.org/10.3390/parasitologia3030029.Local influence of floral resource attributes on urban bumble bee foraging activity
                                                        

- (Peer Reviewed Journal)Pfeiffer, V.W., Zhu, J., Poh, K.C., Sibernagel, J. 2023. Local influence of floral resource attributes on urban bumble bee foraging activity. Frontiers in Sustainable Cities. 5. Article 1103721. https://doi.org/10.3389/frsc.2023.1103721.A U.S. isolate of Theileria orientalis ikeda is not transstadially transmitted to cattle by Rhipicephalus microplus
                                                        

- (Peer Reviewed Journal)Onzere, C.K., Herndon, D.R., Hassan, A., Oyen, K.J., Poh, K.C., Scoles, G.A., Fry, L.M. 2023. A U.S. isolate of Theileria orientalis ikeda is not transstadially transmitted to cattle by Rhipicephalus microplus. Pathogens. 12(4). Article 559. https://doi.org/10.3390/pathogens12040559.Topical permethrin may increase blacklegged tick (Ixodes scapularis) repellency but is associated with cutaneous irritation in horses
                                                        

- (Peer Reviewed Journal)Poh, K.C., Cole, Z.T., Smarsh, D.N., Springer, H.R., Kelly, K., Kenny, L.B., Machtinger, E.T. 2023. Topical permethrin may increase blacklegged tick (Ixodes scapularis) repellency but is associated with cutaneous irritation in horses. American Journal of Veterinary Research. 84(4). https://doi.org/10.2460/ajvr.22.10.0176.Insights into the genetic landscape and presence of Cochliomyia hominivorax in the Caribbean
                                                        

- (Peer Reviewed Journal)Tietjen, M., Pfeiffer, V., Poh, K.C. 2022. Insights into the genetic landscape and presence of Cochliomyia hominivorax in the Caribbean. Parasitology Research. 122:547-556. https://doi.org/10.1007/s00436-022-07757-4.Limited detection of shared zoonotic pathogens in deer keds and blacklegged ticks co-parasitizing white-tailed deer in the eastern United States
                                                        

- (Peer Reviewed Journal)Olafson, P.U., Poh, K.C., Evans, J.R., Skvarla, M.J., Matchinger, E.T. 2022. Limited detection of shared zoonotic pathogens in deer keds and blacklegged ticks co-parasitizing white-tailed deer in the eastern United States. Medical and Veterinary Entomology. 37(2):179-188. https://doi.org/10.1111/mve.12620.All for one health and one health for all: Considerations for successful citizen science projects conducting vector surveillance from animal hosts
                                                        

- (Peer Reviewed Journal)Poh, K.C., Evans, J.R., Skvarla, M.J., Machtinger, E.T. 2022. All for one health and one health for all: Considerations for successful citizen science projects conducting vector surveillance from animal hosts. Insects. 13(6). Article 492. https://doi.org/10.3390/insects13060492.
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