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ARS Home » Pacific West Area » Wapato, Washington » Temperate Tree Fruit and Vegetable Research » People & Locations » William Cooper (Rodney)

William Rodney Cooper (Rodney) (PhD)
Temperate Tree Fruit and Vegetable Research
Research Entomologist

Phone: (509) 454-4463
Fax: (509) 454-5646

YAKIMA AGRICULTURAL RESEARCH LABORATORY
5230 KONNOWAC PASS ROAD
WAPATO, WA 98951
Projects
Systems Approach for Managing Emerging Insect Pests and Insect-Transmitted Pathogens of Potatoes
In-House Appropriated (D)
  Accession Number: 429561
New Technologies and Strategies to Manage the Changing Pest Complex on Temperate Fruit Trees
In-House Appropriated (D)
  Accession Number: 430052
Uncovering the Role of Vector Salivary Genes: Can We Utilize CRISPR to Control Pathogen Transmission
Interagency Reimbursable Agreement (I)
  Accession Number: 438471
Therapeutic Molecule Evaluation and Field Delivery Pipeline
Interagency Reimbursable Agreement (I)
  Accession Number: 439294
Biology, Management and Reducing the Impact of the Spotted Lanternfly
Reimbursable Cooperative Agreement (R)
  Accession Number: 439063
Gut Content Analysis to Pinpoint the Weed Sources of Potato Psyllid
Reimbursable Cooperative Agreement (R)
  Accession Number: 435801
Mapping and Predicting Psyllid Sources, Immigration and Locality-Specific Disease Spread in the Pacific Northwest
Reimbursable Cooperative Agreement (R)
  Accession Number: 430092
Potato Cultivar Sensitivity to Feeding of Three Lygus Species
Non-Assistance Cooperative Agreement (S)
  Accession Number: 433108
Is Matrimony Vine the June Source of Potato Psyllids Colonizing Potatoes in the Pacific Northwest?
Non-Assistance Cooperative Agreement (S)
  Accession Number: 433140
What’s That Smell? Search for Wireworm Attractants and Development of Pheromone-based Methods for Monitoring and Management - NCSU
Non-Assistance Cooperative Agreement (S)
  Accession Number: 438548
What’s That Smell? Search for Wireworm Attractants and Development of Pheromone-based Methods for Monitoring and Management - VPI
Non-Assistance Cooperative Agreement (S)
  Accession Number: 438555
Gut Content Analysis to Pinpoint the Weed Sources of Potato Psyllid in Idaho
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436513
Gut Content Analysis to Pinpoint the Weed Sources of Potato Psyllid in the Columbia Basin of Central Oregon
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436514
Gut Content Analysis to Pinpoint the Weed Sources of Potato Psyllid in Eastern Oregon
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436515
Gut Content Analysis to Pinpoint the Weed Sources of Potato Psyllid in the Columbia Basin of Washington State
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436895
Areawide Management of Insect Vectors in Columbia Basin Vegetable and Seed Crops
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436896
Identification of Psyllid Salivary Proteins to Improve Use of Host Plant Resistance
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436897
Search For Wireworm Attractants
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436937
Search for Wireworm Attractants in Idaho
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436944
Search for Wireworm Attractants in Illinois
Non-Assistance Cooperative Agreement (S)
  Accession Number: 437117
Economic Benefits of Areawide Management of Insect Vectors
Non-Assistance Cooperative Agreement (S)
  Accession Number: 437120
Identify Non-Crop Host Plants of the Beet Leafhopper and BLTVA in the Columbia Basin
Non-Assistance Cooperative Agreement (S)
  Accession Number: 437859
AgriVectors: An Open Access Resource to Encourage Productive Collaboration between Researchers of Potato and Citrus Pests and Diseases
Non-Assistance Cooperative Agreement (S)
  Accession Number: 438298
Identifying Important Parasites and Predators of Potato Psyllid in Non-Crop Habitats of the Columbia Basin
Non-Assistance Cooperative Agreement (S)
  Accession Number: 438303
Identification of Pear Tree Volatiles Attractive to Winterform Psylla
Trust Fund Cooperative Agreement (T)
  Accession Number: 438608
Role of Vector Saliva in Pathogen Transmission
Trust Fund Cooperative Agreement (T)
  Accession Number: 436512

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Host Plant Signal Persistence in the Gut of the Brown Marmorated Stink Bug, Halyomorpha halys - (Peer Reviewed Journal)
Revealing the diet of generalist insect predators in strawberry fields: not only pests, but other predators beware - (Peer Reviewed Journal)
Susceptibility of Physalis longifolia Nutt. (Solanales: Solanaceae) to Bactericera cockerelli (Šulc) (Hemiptera: Triozidae) and Candidatus Liberibacter solanacearum” - (Peer Reviewed Journal)
Host plants and endosymbionts shape the population genetics of sympatric vectors - (Peer Reviewed Journal)
Mortality of potato psyllid (Hemiptera: Triozidae) on host clippings inoculated with ergot alkaloids Reprint Icon - (Peer Reviewed Journal)
Kaur, N., Cooper, W.R., Duringer, J., Rashed, A., Badillo-Vargas, I., Esparza-Diaz, Horton, D.R. 2020. Mortality of potato psyllid (Hemiptera: Triozidae) on host clippings inoculated with ergot alkaloids. Journal of Economic Entomology. https://doi.org/10.1093/jee/toaa144.
Polistes venom compound N-3-methylbutyl acetamide is a sex pheromone of Polistes metricus Say and attracts males of several Polistes (Fuscopolistes) species Reprint Icon - (Peer Reviewed Journal)
Elmquist, D.C., Landolt, P.J., Cooper, W.R., Reed, H., Foutz, J., Clepper, T., Kacprzyk, B., Teig, D., Zack, R.S. 2020. Polistes venom compound N-3-methylbutyl acetamide is a sex pheromone of Polistes metricus Say and attracts males of several Polistes (Fuscopolistes) species. Journal of Economic Entomology. 113(12):10-73-1079. https://doi.org/10.1093/jee/toaa065.
Dispersal of Bactericera cockerelli (Hemiptera: Triozidae) in relation to phenology of Lycium barbarum (Solanaceae) - (Peer Reviewed Journal)
Cooper, W.R., Horton, D.R., Thinakaran, J., Karasev, A.V. 2020. Dispersal of Bactericera cockerelli (Hemiptera: Triozidae) in relation to phenology of Lycium barbarum (Solanaceae). Journal of British Columbia Entomological Society. 116:25-39.
Growth and yield performance of Solanum tuberosum grown from seed potatoes infected with ‘Candidatus Liberibacter solanacearum’ haplotypes A and B Reprint Icon - (Peer Reviewed Journal)
Swisher Grimm, K.D., Mustafa, T., Cooper, W.R., Munyaneza, J.E. 2020. Growth and yield performance of Solanum tuberosum grown from seed potatoes infected with ‘Candidatus Liberibacter solanacearum’ haplotypes A and B. Plant Disease. 104:688-693. https://doi.org/10.1094/PDIS-05-19-1125-RE.
Prototype 3D-printed traps capture Bactericera cockerelli (Šulc) (Hemiptera: Triozidae) directly into preservative for improved detection of "Candidatus Liberibacter solanacearum" Reprint Icon - (Peer Reviewed Journal)
Wentz, K., Cooper, W.R., Horton, D.R., Wohleb, C., Waters, T., Halbert, S., Ramadugu, C., Snyder, J., Kao, R. 2020. Prototype 3D-printed traps capture Bactericera cockerelli (Šulc) (Hemiptera: Triozidae) directly into preservative for improved detection of "Candidatus Liberibacter solanacearum". Journal of Entomological Science. 55(2):147-155. https://doi.org/10.18474/0749-8004-55.2.147.
Host and non-host whistle stops by psyllids: Molecular gut content analysis by high-throughput sequencing reveals landscape-level movements by Psylloidea (Hemiptera) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Horton, D.R., Wildung, M., Jensen, A., Thinakaran, J., Rendon, D., Nottingham, L., Beers, E., Wohleb, C., Hall, D.G., Stelinski, L. 2019. Host and non-host whistle stops by psyllids: Molecular gut content analysis by high-throughput sequencing reveals landscape-level movements by Psylloidea (Hemiptera). Environmental Entomology. 48(3):554-566. https://doi.org/10.1093/ee/nvz038.
The weed link in zebra chip epidemiology ()
Cooper, W.R., Horton, D.R., Wohleb, C.H., Waters, T.D. 2019. The weed link in zebra chip epidemiology. Potato Progress. 19:4.
The weed link in zebra chip epidemiology: Suitability of non-crop Solanaceae and Convolvulaceae to potato psyllid and Liberibacter solanacearum - (Peer Reviewed Journal)
Whence and whither the Convolvulus psyllid? An invasive plant leads to dietary expansion and range expansion by a native insect herbivore (Hemiptera: Triozidae) Reprint Icon - (Peer Reviewed Journal)
Horton, D.R., Kaur, N., Cooper, W.R., Miliczky, E., Badillo Vargas, I., Esparza-Diaz, G., Rashed, A., Waters, T., Wohleb, C., Johnson, D., Kawchuk, L., Jensen, A. 2019. Whence and whither the Convolvulus psyllid? An invasive plant leads to dietary expansion and range expansion by a native insect herbivore (Hemiptera: Triozidae). Annals of the Entomological Society of America. 112(3):249-264. https://doi.org/10.1093/aesa/say063.
Brown marmorated stink bug, Halyomorpha halys (Hemiptera: Pentatomidae) (Stål, 1855), detections in Western Sydney, New South Wales, Australia Reprint Icon - (Peer Reviewed Journal)
Horwood, M., Milnes, J., Cooper, W.R. 2019. Brown marmorated stink bug, Halyomorpha halys (Hemiptera: Pentatomidae) (Stål, 1855), detections in Western Sydney, New South Wales, Australia. Austral Entomology. 58(4):857-865. https://doi.org/10.1111/aen.12421|.
The beet leafhopper odyssey in North America: a brief overview ()
Horton, D.R., Cooper, W.R., Swisher Grimm, K.D., Crowder, D., Fu, Z., Waters, T., Wohleb, C., Frost, K., Jensen, A., Blua, M. 2018. The beet leafhopper odyssey in North America: a brief overview. Potato Progress. 18(16).
The beet leafhopper odyssey in North America: a brief overview ()
Horton, D.R., Cooper, W.R., Swisher Grimm, K.D., Crowder, D., Fu, Z., Waters, T., Wohleb, C., Frost, K., Jensen, A., Blua, M. 2018. The beet leafhopper odyssey in North America: a brief overview. Potato Progress. 18(16).
Weedy sanctuaries and non-host whistle stops for potato psyllid ()
Cooper, W.R., Horton, D.R. 2019. Weedy sanctuaries and non-host whistle stops for potato psyllid. Potato Country USA. 35(1):36-38.
Survival and development of potato psyllid (Hemiptera: Triozidae) on Convolvulaceae: effects of a plant-fungus symbiosis (Periglandula) Reprint Icon - (Peer Reviewed Journal)
Kaur, N., Horton, D.R., Cooper, W.R., Badillo-Vargas, I.E., Esparza-Diaz, G., Rashed, A., Duringer, J. 2018. Survival and development of potato psyllid (Hemiptera: Triozidae) on Convolvulaceae: effects of a plant-fungus symbiosis (Periglandula). PLoS One. 13(9):e0201506. https://doi.org/10.1371/journal.pone.0201506.
Role of ‘Candidatus Liberibacter solanacearum’ and the potato psyllid, Bactericera cockerelli, in ZC incidence, severity, and seed transmission Reprint Icon - (Abstract Only)
Swisher Grimm, K.D., Mustafa, T., Cooper, W.R., Munyaneza, J.E. 2019. Role of ‘Candidatus Liberibacter solanacearum’ and the potato psyllid, Bactericera cockerelli, in ZC incidence, severity, and seed transmission. American Journal of Potato Research. 96:334. https://doi.org/10.1007/s12230-019-09723-w.
Mapping potato psyllid populations in potato in the Columbia Basin of Washington and Oregon from 2013 – 2017 Reprint Icon - (Abstract Only)
Swisher Grimm, K.D., Cueva, I., Wohleb, C., Horton, D.R., Cooper, W.R., Munyaneza, J.E. 2019. Mapping potato psyllid populations in potato in the Columbia Basin of Washington and Oregon from 2013 – 2017. American Journal of Potato Research. 96:327. https://doi.org/10.1007/s12230-019-09723-w.
Role of ‘Candidatus Liberibacter solanacearum’ and Bactericera cockerelli haplotypes in zebra chip incidence and symptom severity - (Peer Reviewed Journal)
Swisher Grimm, K.D., Mustafa, T., Cooper, W.R., Munyaneza, J.E. 2018. Role of ‘Candidatus Liberibacter solanacearum’ and Bactericera cockerelli haplotypes in zebra chip incidence and symptom severity. American Journal of Potato Research. 95:709-719.
The “morning glory” psyllid? Potato psyllid development on morning glories and bindweed ()
Kaur, N., Rashed, A., Horton, D.R., Cooper, W.R., Badillo-Vargas, I., Esparza-Diaz, G., Jensen, A., Johnson, D., Kawchuk, L. 2018. The “morning glory” psyllid? Potato psyllid development on morning glories and bindweed. Potato Progress. 18(11).
The weed link in zebra chip epidemiology: Annual and perennial weeds as sources of the zebra chip pathogen - (Proceedings)
Cooper, W.R., Horton, D.R., Thinakaran, J. 2018. The weed link in zebra chip epidemiology: Annual and perennial weeds as sources of the zebra chip pathogen. American Journal of Potato Research. 95:212.
Pinpointing the weed sources of potato psyllid in Washington - (Proceedings)
Characterizing zebra chip symptom severity and identifying spectral signatures associated with Candidatus Liberibacter solanacearum infected potato tubers Reprint Icon - (Peer Reviewed Journal)
Zhao, Z., Prager, S., Cruzado, R., Liang, X., Cooper, W.R., Hu, G., Rashed, A. 2018. Characterizing zebra chip symptom severity and identifying spectral signatures associated with Candidatus Liberibacter solanacearum infected potato tubers. American Journal of Potato Research. 95(5):584-596. https://doi.org/10.1007/s12230-018-9666-9.
Use of Lycium by potato psyllid in the Pacific Northwest lessons from the desert Southwest - (Proceedings)
Thinakaran, J., Horton, D.R., Cooper, W.R., Karasev, A. 2018. Use of Lycium by potato psyllid in the Pacific Northwest lessons from the desert Southwest. American Journal of Potato Research. 95:226.
The latest buzz on bugs ()
Cooper, W.R., Garczynski, S.F., Horton, D.R., Knight, A.L., Neven, L.G., Yee, W.L. 2018. The latest buzz on bugs. Good Fruit Grower. 69(5):38-40.
Candidatus Phytoplasma pyri affects behavior of Cacopsylla pyricola (Hemiptera: Psyllidae) Reprint Icon - (Peer Reviewed Journal)
Cruz, M., Cooper, W.R., Horton, D.R., Barcenas, N. 2018. Candidatus Phytoplasma pyri affects behavior of Cacopsylla pyricola (Hemiptera: Psyllidae). Journal of Entomological Science. 53(3):361-371. https://doi.org/10.18474/JES17-115.1.
Potato psyllid and the South American desert plant Nolana: an unlikely psyllid host? ()
Horton, D.R., Miliczky, E., Thinakaran, J., Cooper, W.R., Munyaneza, J., Wohleb, C., Karasev, A. 2017. Potato psyllid and the South American desert plant Nolana: an unlikely psyllid host?. Potato Progress. 17:16.
New North American records for the Old World psyllid Heterotrioza chenopodii (Reuter) with biological observations (Hemiptera: Psylloidea: Triozidae) - (Peer Reviewed Journal)
Horton, D.R., Miliczky, E., Lewis, T.M., Cooper, W.R., Waters, T., Wohleb, C., Zack, R., Johnson, D., Jensen, A. 2018. New North American records for the Old World psyllid Heterotrioza chenopodii (Reuter) with biological observations (Hemiptera: Psylloidea: Triozidae). Proceedings of the Entomological Society of Washington. 120(1):134-152.
Potato-related research at USDA-ARS laboratories in Washington and Idaho ()
Horton, D.R., Cooper, W.R., Landolt, P.J., Thinakaran, J., Miliczky, E., Kaur, N., Navarre, D.A., Brown, C.R., Swisher, K.D., Novy, R.G., Whitworth, J.L. 2017. Potato-related research at USDA-ARS laboratories in Washington and Idaho. Potato Progress. 17(14):1-12.
Potato psyllid vector of zebra chip disease in Pacific Northwest ()
Rondon, S., Schreiber, A., Hamm, P., Olsen, N., Wenninger, E., Wohleb, C., Waters, T., Cooper, W.R., Walenta, D., Reitz, S. 2017. Potato psyllid vector of zebra chip disease in Pacific Northwest. Extension Publications. PNW 633.
Survival and feeding rates of four aphid species (Hemiptera: Aphididae) on various sucrose concentrations in diets - (Peer Reviewed Journal)
Puterka, G.J., Nicholson, S.J., Cooper, W.R. 2017. Survival and feeding rates of four aphid species (Hemiptera: Aphididae) on various sucrose concentrations in diets. Journal of Economic Entomology. 110(4):1518-1524.
CRISPR/Cas9 editing of the codling moth (Lepidoptera: Tortricidae) CpomOR1 gene affects egg production and viability - (Peer Reviewed Journal)
Garczynski, S.F., Martin, J.A., Griset, M.L., Willett, L.S., Cooper, W.R., Swisher, K.D., Unruh, T.R. 2017. CRISPR/Cas9 editing of the codling moth (Lepidoptera: Tortricidae) CpomOR1 gene affects egg production and viability. Journal of Economic Entomology. 110(4):1847-1855.
Association of potato psyllid (Bactericera cockerelli; Hemiptera: Triozidae) with Lycium spp. (Solanaceae) in potato growing regions of Washington, Idaho, and Oregon - (Peer Reviewed Journal)
Thinakaran, J., Horton, D.R., Cooper, W.R., Jensen, A., Wohleb, C., Dahan, J., Mustafa, T., Karasev, A., Munyaneza, J.E. 2017. Association of potato psyllid (Bactericera cockerelli; Hemiptera: Triozidae) with Lycium spp. (Solanaceae) in potato growing regions of Washington, Idaho, and Oregon. American Journal of Potato Research. doi:10.1007/s12230-017-9586-0.
Elicitors of host plant defenses partially suppress pear psylla (Cacopsylla pyricola, Hemiptera: Psyllidae) populations under field conditions - (Peer Reviewed Journal)
Cooper, W.R., Horton, D.R. 2017. Elicitors of host plant defenses partially suppress pear psylla (Cacopsylla pyricola, Hemiptera: Psyllidae) populations under field conditions. Journal of Insect Science. 17(2):49.
Collection of salivary proteins of psyllids (Hemiptera: Psylloidea) - (Peer Reviewed Journal)
Jimenez, F., Cooper, W.R., Garczynski, S.F., Puterka, G.J., Barcenas, N. 2017. Collection of salivary proteins of psyllids (Hemiptera: Psylloidea). Journal of Entomological Science. 52:201-206.
Bacterial endosymbionts of the psyllid Cacopsylla pyricola in the Pacific Northwestern United States (Hemiptera: Psyllidae) - (Peer Reviewed Journal)
Cooper, W.R., Garczynski, S.F., Horton, D.R., Unruh, T.R., Beers, E., Shearer, P., Hilton, R. 2017. Bacterial endosymbionts of the psyllid Cacopsylla pyricola in the Pacific Northwestern United States (Hemiptera: Psyllidae). Environmental Entomology. 46:393-402.
"Candidatus Liberibacter solanacearum” associated with the psyllid, Bactericera maculipennis (Hemiptera: Triozidae) Reprint Icon - (Peer Reviewed Journal)
Borges, K.M., Cooper, W.R., Garczynski, S.F., Thinakaran, J., Jensen, A., Horton, D.R., Munyaneza, J.E., Cueva, I., Barcenas, N. 2017. "Candidatus Liberibacter solanacearum” associated with the psyllid, Bactericera maculipennis (Hemiptera: Triozidae). Environmental Entomology. 46:210-216.
New geographic records for the Nearctic psyllid Bactericera maculipennis (Crawford) with biological notes and descriptions of the egg and fifth-instar nymph (Hemiptera: Psylloidea: Triozidae) - (Peer Reviewed Journal)
Horton, D.R., Miliczky, E., Lewis, T.M., Cooper, W.R., Munyaneza, J.E., Mustafa, T., Thinakaran, J., Waters, T., Wohleb, C., Jensen, A. 2017. New geographic records for the Nearctic psyllid Bactericera maculipennis (Crawford) with biological notes and descriptions of the egg and fifth-instar nymph (Hemiptera: Psylloidea: Triozidae). Entomological Society of America Proceedings. 119(2):191-214.
Matrimony vine and potato psyllid in the Pacific Northwest: a worrisome marriage? ()
Horton, D.R., Thinakaran, J., Cooper, W.R., Munyaneza, J.E., Wohleb, C., Waters, T., Snyder, W., Fu, Z., Crowder, D., Jensen, A. 2016. Matrimony vine and potato psyllid in the Pacific Northwest: a worrisome marriage?. Potato Progress. 16:14.
Gut content analysis of a phloem-feeding insect, Bactericera cockerelli (Sulc) (Hemiptera: Triozidae) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Horton, D.R., Unruh, T.R., Garczynski, S.F. 2016. Gut content analysis of a phloem-feeding insect, Bactericera cockerelli (Sulc) (Hemiptera: Triozidae). Environmental Entomology. 45:938-944.
Bindweed Psyllid: Biology, Natural History, and Interactions with the Zebra Chip Pathogen - (Proceedings)
Cooper, W.R., Jensen, A., Barcenas, N. 2016. Bindweed Psyllid: Biology, Natural History, and Interactions with the Zebra Chip Pathogen. Meeting Proceedings. WA/OR Potato Conference pp. 7-9. January 26-28, 2016 Kennewick, WA.
Variation in susceptibility to potato psyllid, Bactericera cockerelli (Hemiptera: Triozidae),among Solanum verrucosum germplasm accessions Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Bamberg, J.B. 2016. Variation in susceptibility to potato psyllid, Bactericera cockerelli (Hemiptera: Triozidae),among Solanum verrucosum germplasm accessions. American Journal of Potato Research. 93:386-391.
Horizontal transmission of "Candidatus Liberibacter solanacearum" by Bactericera cockerelli (Hemiptera: Triozidae) on Convolvulus and Ipomoea (Solanales: Convolvulaceae) Reprint Icon - (Peer Reviewed Journal)
Torres, G.L., Cooper, W.R., Horton, D.R., Swisher, K.D., Garczynski, S.F., Munyaneza, J.E., Barcenas, N.M. 2015. Horizontal transmission of "Candidatus Liberibacter solanacearum" by Bactericera cockerelli (Hemiptera: Triozidae) on Convolvulus and Ipomoea (Solanales: Convolvulaceae). PLoS One. doi: 10.1371/journal.pone.0142734.
Use of Electrical Penetration Graph Technology to Examine Transmission of ‘Candidatus Liberibacter solanacearum’ to Potato by Three Haplotypes of Potato Psyllid (Bactericera cockerelli; Hemiptera: Triozidae) - (Peer Reviewed Journal)
Mustafa, T., Horton, D.R., Cooper, W.R., Swisher, K.D., Zack, R.R., Pappu, H.R., Munyaneza, J.E. 2015. Use of Electrical Penetration Graph Technology to Examine Transmission of ‘Candidatus Liberibacter solanacearum’ to Potato by Three Haplotypes of Potato Psyllid (Bactericera cockerelli; Hemiptera: Triozidae). PLoS One. 10(9):e01 38946. doi:10.1371/journal.pone.0138946.
Effects of elicitors of host plant defenses on pear psylla (Cacopsylla pyricola: Psyllidae) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Horton, D.R. 2015. Effects of elicitors of host plant defenses on pear psylla (Cacopsylla pyricola: Psyllidae). Entomologia Experimentalis et Applicata. 157:300-306.
A new problem and old questions: potato psyllid in the Pacific Northwest - (Peer Reviewed Journal)
Horton, D.R., Cooper, W.R., Munyaneza, J.E., Swisher, K.D., Echegaray, E., Murphy, A., Rondon, S., Wohleb, C., Waters, T., Jensen, A. 2015. A new problem and old questions: potato psyllid in the Pacific Northwest. American Entomologist. 61(4):234-244.
Relative abundance of Carsonella ruddii (Gamma Proteobacterium) in females and males of Cacopsylla pyricola (Hemiptera: Psyllidae) and Bactericera cockerelli (Hemiptera: Triozidae) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Garczynski, S.F., Horton, D.R. 2015. Relative abundance of Carsonella ruddii (Gamma Proteobacterium) in females and males of Cacopsylla pyricola (Hemiptera: Psyllidae) and Bactericera cockerelli (Hemiptera: Triozidae). Journal of Insect Science. 15:65.
Matrimony vine/Goji berries – potential overwintering host for potato psyllids in the Pacific Northwest - (Proceedings)
Thinakaran, J., Cooper, W.R., Munyaneza, J.E., Horton, D.R. 2015. Matrimony vine/Goji berries – potential overwintering host for potato psyllids in the Pacific Northwest. Meeting Proceedings. Pp 76-79.
Potato psyllids and their bacterial allies: Two fronts in the war against zebra chip disease. - (Proceedings)
Cooper, W.R., Swisher, K.D., Garczynski, S.F., Mustafa, T., Munyaneza, J.E., Horton, D.R. 2015. Potato psyllids and their bacterial allies: Two fronts in the war against zebra chip disease.. Meeting Proceedings. Pp 1-5.
Assessing reproduction of potato psyllid haplotypes - (Proceedings)
Mustafa, T., Munyaneza, J.E., Horton, D.R., Cooper, W.R., Swisher, K.D., Zack, R.S. 2015. Assessing reproduction of potato psyllid haplotypes. Meeting Proceedings. pp. 72-76.
Non-potato host plants of potato psyllid in the Pacific Northwest: a year-round complication? ()
Horton, D.R., Cooper, W.R., Munyaneza, J.E., Swisher, K.D., Wohleb, C., Waters, T., Jensen, A. 2015. Non-potato host plants of potato psyllid in the Pacific Northwest: a year-round complication?. Potato Progress. 15:2.
Temperature-dependent survival of adult Lygus hesperus (Hemiptera: Miridae) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2015. Temperature-dependent survival of adult Lygus hesperus (Hemiptera: Miridae). Environmental Entomology. 44:808-813.
Wolbachia infection differs among divergent mitochondrial haplotypes of Bactericera cockerelli (Hemiptera: Triozidae) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Swisher, K.D., Garczynski, S.F., Mustafa, T., Munyaneza, J.E., Horton, D.R. 2015. Wolbachia infection differs among divergent mitochondrial haplotypes of Bactericera cockerelli (Hemiptera: Triozidae). Annals of the Entomological Society of America. 108(2):137-145.
Interhaplotype fertility and host effects of potato and bittersweet nightshade on selected reproductive traits of three haplotypes of Bactericera cockerelli (Hemiptera: Triozidae) - (Peer Reviewed Journal)
Mustafa, T., Horton, D.R., Cooper, W.R., Swisher, K.D., Zack, R.S., Munyaneza, J.E. 2015. Interhaplotype fertility and host effects of potato and bittersweet nightshade on selected reproductive traits of three haplotypes of Bactericera cockerelli (Hemiptera: Triozidae). Environmental Entomology. 44:300-308.
Relationship between plant vascular architecture and within-plant distribution of 'Candidatus Liberibacter solanacearum' in potato Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Acala, P.E., Barcenas, N.M. 2015. Relationship between plant vascular architecture and within-plant distribution of 'Candidatus Liberibacter solanacearum' in potato. American Journal of Potato Research. 92:91-99.
Wolbachia-infection differs among potato psyllid haplotypes - (Proceedings)
Cooper, W.R., Mustafa, T., Swisher, K.D., Garczynski, S.F., Munyaneza, J.E., Horton, D.R. 2015. Wolbachia-infection differs among potato psyllid haplotypes. American Journal of Potato Research. 92:182.
Characterization of eight Russian wheat aphid (Hemiptera: Aphididae) biotypes using two-category resistant-susceptible plant responses - (Peer Reviewed Journal)
Puterka, G.J., Nicholson, S.J., Brown, M.J., Cooper, W.R., Peairs, F.B., Randolph, T.L. 2014. Characterization of eight Russian wheat aphid (Hemiptera: Aphididae) biotypes using two-category resistant-susceptible plant responses. Journal of Economic Entomology. 107(3):1274-1283.
Variation in Bactericera cockerelli (Hemiptera: Triozidae) oviposition, survival, and development on Solanum bulbocastanum germplasm Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Bamberg, J.B. 2014. Variation in Bactericera cockerelli (Hemiptera: Triozidae) oviposition, survival, and development on Solanum bulbocastanum germplasm. American Journal of Potato Research. DOI 10.1007/s12230-014-9384-x.
Latent period and transmission of "Candidatus Liberibacter solanacearum" by the potato psyllid Bactericera cockerelli (Hemiptera: Triozidae) - (Peer Reviewed Journal)
Sengoda, V.G., Cooper, W.R., Swisher, K.D., Henne, D.C., Munyaneza, J.E. 2014. Latent period and transmission of "Candidatus Liberibacter solanacearum" by the potato psyllid Bactericera cockerelli (Hemiptera: Triozidae). PLoS One. 9(3):e93475.
Matryoshka: A new floral mutant in wild potato Reprint Icon - (Peer Reviewed Journal)
Bamberg, J.B., Suriano, J., del Rio, A., Cooper, W.Rodney, Abad, J., Fernandez, C. 2014. Matryoshka: A new floral mutant in wild potato. American Journal of Potato Research. 91(5):500-503.
Localization of 'Candidatus Liberibacter solanacearum' in Bactericera cockerelli (Hemiptera: Triozidae) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Sengoda, V.G., Munyaneza, J.E. 2014. Localization of 'Candidatus Liberibacter solanacearum' in Bactericera cockerelli (Hemiptera: Triozidae). Annals of the Entomological Society of America. 107(1):204-210.
Potential transmission of Pantoea spp. and Serratia marcescens (Enterobacteriales: Enterobacteriaceae) to plants by Lygus hesperus (Hemiptera: Miridae) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Nicholson, S.J., Puterka, G.J. 2014. Potential transmission of Pantoea spp. and Serratia marcescens (Enterobacteriales: Enterobacteriaceae) to plants by Lygus hesperus (Hemiptera: Miridae). Journal of Economic Entomology. 107(1):63-65.
Gender- and species-specific characteristics of bacteriomes from three psyllid species (Hemiptera: Psylloidae) Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Horton, D.R. 2014. Gender- and species-specific characteristics of bacteriomes from three psyllid species (Hemiptera: Psylloidae). Journal of Entomological Science. 49(2):190-194.
Feeding injury to cotton caused by Lygus hesperus (Hemiptera: Miridae) nymphs and prereproductive adults Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2013. Feeding injury to cotton caused by Lygus hesperus (Hemiptera: Miridae) nymphs and prereproductive adults. Environmental Entomology. 42(5):967-972.
Matryoshka: A new floral mutant in wild potato - (Proceedings)
Bamberg, J.B., Suriano, J., Del Rio, A.H., Cooper, W.R. 2014. Matryoshka: A new floral mutant in wild potato. American Journal of Potato Research. 91(1):32-74.
Response by Lygus hesperus (Hemiptera: Miridae) adults to salivary preconditioning of cotton squares Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2013. Response by Lygus hesperus (Hemiptera: Miridae) adults to salivary preconditioning of cotton squares. Journal of Entomological Science. 48(3):261-264.
Marked insects released in recapture studies may influence population estimates of native insects - (Proceedings)
Spurgeon, D.W., Cooper, W.R. 2013. Marked insects released in recapture studies may influence population estimates of native insects. National Cotton Council Beltwide Cotton Conference. Pp. 1156-1161. In Proc. Beltwide Cotton Conf., National Cotton Council, Memphis, TN.
Sweepnet captures of Lygus hesperus (Hemiptera:Miridae) adult genders and age-classes in cotton Reprint Icon - (Peer Reviewed Journal)
Spurgeon, D.W., Cooper, W.R. 2013. Sweepnet captures of Lygus hesperus (Hemiptera:Miridae) adult genders and age-classes in cotton. Journal of Entomological Science. 48(3):195-205.
Temperature-dependent egg development of Lygus hesperus (Hemiptera: Miridae) - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2013. Temperature-dependent egg development of Lygus hesperus (Hemiptera: Miridae). Journal of Economic Entomology. 106(1):124-130.
Disinfestation of Beauveria bassiana from adult Lygus hesperus using ultraviolet-C radiation - (Peer Reviewed Journal)
Spurgeon, D.W., Cooper, W.R. 2012. Disinfestation of Beauveria bassiana from adult Lygus hesperus using ultraviolet-C radiation. Southwest Entomology. 37(4):449-457.
Feeding behavior and injury caused by Lygus hesperus - (Abstract Only)
Salivary proteins of Lygus hesperus (Hemiptera: Miridae) - (Peer Reviewed Journal)
Cooper, W.R., Nicholson, S.J., Puterka, G.J. 2013. Salivary proteins of Lygus hesperus (Hemiptera: Miridae). Annals of the Entomological Society of America. 106(1):86-92. DOI: http://dx.doi.org/10.1603/AN12096.
Temperature-dependent reproductive development of Lygus hesperus (Hemiptera: Miridae) - (Peer Reviewed Journal)
Spurgeon, D.W., Cooper, W.R. 2012. Temperature-dependent reproductive development of Lygus hesperus (Hemiptera: Miridae). Environmental Entomology. 41(4):941-949.
Temperature dependent development of Lygus hesperus (Hemiptera: Miridae) nymphs Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2012. Temperature dependent development of Lygus hesperus (Hemiptera: Miridae) nymphs. Journal of Economic Entomology. 105: 860-865.
External visibility of spermatophores as an indicator of mating status of Lygus hesperus (Hemiptera: Miridae) females - (Peer Reviewed Journal)
Cooper, W.R. 2012. External visibility of spermatophores as an indicator of mating status of Lygus hesperus (Hemiptera: Miridae) females. Journal of Entomological Science. 47(4):285-290.
Injury to cotton by adult Lygus hesperus (Hemiptera: Miridae) of different gender and reproductive states - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2012. Injury to cotton by adult Lygus hesperus (Hemiptera: Miridae) of different gender and reproductive states. Environ. Entomol. 41:342-348.
Oviposition behaviors and ontogenetic embryonic characteristics of the western tarnished plant bug, Lygus hesperus Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2012. Oviposition behaviors and ontogenetic embryonic characteristics of the western tarnished plant bug, Lygus hesperus. Journal of Insect Science. 12:36.
XX1 Asian chestnut gall wasp (Dryocosmus kuriphilus) (Hymenoptera: Cynipidae) ()
Rieske, L.K., Cooper, W.R. 2014. XXI Asian chestnut gall wasp (Dryocosmus kuriphilus) (Hymenoptera: Cynipidae). In:Van Driesche, R.G., Reardon, R., editors. Use of classical biological control to preserve natice US and Canadian forests. Morgantown, West Virginia:Forest Health Technology Enterprise Team. p. 237-242.
A native and an introduced parasitoid utilize an exotic gall-maker host Reprint Icon - (Peer Reviewed Journal)
Cooper, W.R., Rieske, L.K. 2011. A native and an introduced parasitoid utilize an exotic gall-maker host. Biocontrol. 56(5):725-734.
Chestnut species and jasmonic acid treatment influence development and community interactions of galls produced by the Asian chestnut gall wasp, Dryocosmus kuriphilus - (Peer Reviewed Journal)
Cooper, W.R., Kinney, L.R. 2011. Chestnut species and jasmonic acid treatment influence development and community interactions of galls produced by the Asian chestnut gall wasp, Dryocosmus kuriphilus. Journal of Insect Science 11:140.
Cyclical partenogenetic reproduction in the Russian wheat aphid (Hemiptera: Aphididae) in the United States: Sexual reproduction and its outcome on biotypic diversity - (Peer Reviewed Journal)
Puterka, G.J., Hammon, R.M., Burd, J.D., Peairs, F., Randolph, T., Cooper, W.R. 2012. Cyclical partenogenetic reproduction in the Russian wheat aphid (Hemiptera: Aphididae) in the United States: Sexual reproduction and its outcome on biotypic diversity. Journal of Economic Entomology. 105(3):1057-1068.
Feeding injury to cotton caused by Lygus hesperus (Hemiptera: Miridae) adults of different reproductive states - (Proceedings)
Cooper, W.R., Spurgeon, D.W. 2011. Feeding injury to cotton caused by Lygus hesperus (Hemiptera: Miridae) adults of different reproductive states. National Cotton Council, Memphis, TN. pp. 1215-1218.
Preliminary evaluation of drop cloth sampling efficiency for lygus adults in cotton - (Proceedings)
Spurgeon, D.W., Cooper, W.R. 2011. Preliminary evaluation of drop cloth sampling efficiency for lygus adults in cotton. National Cotton Council, Memphis, TN. pp. 804-809.
Laboratory studies of variations in feeding behaviors among Lygus hesperus Knight (Hemiptera: Miridae) of different gender and reproductive states - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2011. Laboratory studies of variations in feeding behaviors among Lygus hesperus Knight (Hemiptera: Miridae) of different gender and reproductive states. Environmental Entomology. 40(2):367-373.
Among-sampler variation in sweep net samples of adult Lygus hesperus (Hemiptera: Miridae) in cotton - (Peer Reviewed Journal)
Spurgeon, D.W., Cooper, W.R. 2011. Among-sampler variation in sweep net samples of adult Lygus hesperus (Hemiptera: Miridae) in cotton. J. Econ. Entomol. 104:685-692.
Comparisons of salivary proteins from five aphid (Hemiptera: Aphididae) species - (Peer Reviewed Journal)
Cooper, W.R., Dillwith, J.W., Puterka, G.J. 2011. Comparisons of salivary proteins from five aphid (Hemiptera: Aphididae) species. Environmental Entomology. 40:151-156.
Host associations and incidence of Diuraphis spp. in the Rocky Mountain region of the United States, and pictorial key for their identification - (Peer Reviewed Journal)
Puterka, G.J., Hammon, R., Burd, J.D., Peairs, F., Randolph, T., Cooper, W.R. 2010. Host associations and incidence of Diuraphis spp. in the Rocky Mountain region of the United States, and pictorial key for their identification. Journal of Economic Entomology. 103(5):1875-1885.
Sweep net recapture of marked Lygus hesperus Knight (Hemiptera: Miridae) adults after different release times in cotton - (Peer Reviewed Journal)
Cooper, W.R., Spurgeon, D.W. 2010. Sweep net recapture of marked Lygus hesperus Knight (Hemiptera: Miridae) adults after different release times in cotton. Journal of Cotton Science. 14:131-137.
USDA-ARS Research Highlights: Western Tarnished Plant Bug Ecology and Behavior. ()
Cooper, W.R. 2010. USDA-ARS Research Highlights: Western Tarnished Plant Bug Ecology and Behavior. Central Coast Agriculture Highlights June 2010 Newsletter.
Gall structure affects ecological associations of Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae). - (Peer Reviewed Journal)
Cooper, W.R., Rieske, L.K. 2010. Gall structure affects ecological associations of Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae). Environ. Entomol. 39(3): 787-797.
Variation among samplers using the sweep net for Lygus hesperus adults in cotton. - (Proceedings)
Spurgeon, D.W., Cooper, W.R. 2010. Variation among samplers using the sweep net for Lygus hesperus adults in cotton. National Cotton Council, Memphis, TN. pp. 1219-1224.
Use of video assays to assess feeding behavior by Lygus hesperus Knight (Hemiptera: Miridae). - (Proceedings)
Cooper, W.R., Spurgeon, D.W. 2010. Use of video assays to assess feeding behavior by Lygus hesperus Knight (Hemiptera: Miridae). National Cotton Council, Memphis, TN. pp. 1306-1311.
Relative attractiveness of colour traps to pear psylla in relation to seasonal changes in pear phenology - (Peer Reviewed Journal)
Cooper, W.R., Puterka, G.J., Glenn, D.M. 2010. Relative attractiveness of colour traps to pear psylla in relation to seasonal changes in pear phenology. The Canadian Entomologist. 142(2):188-191.
Salivary proteins of Russian wheat aphid (Hempitera: Aphididae) - (Peer Reviewed Journal)
Cooper, W.R., Dillwith, J.W., Puterka, G.J. 2010. Salivary proteins of Russian wheat aphid (Hempitera: Aphididae). Environmental Entomology. 39(1):223-231.
Woody stem galls interact with foliage to affect community associations - (Peer Reviewed Journal)
Cooper, W.R., Rieske, L.K. 2009. Woody stem galls interact with foliage to affect community associations. Environmental Entomology. 38(2):417-424.
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