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 Peanut and Small Grains Research Unit: El Reno, OK
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ARS Home Plains Area El Reno, Oklahoma Oklahoma and Central Plains Agricultural Research Center Peanut and Small Grains Research Unit People & Locations







Norman C Elliott

(Norm)                                                                (PhD)
                        Peanut and Small Grains Research Unit

                        




                        
                        Research Biologist
                        Phone: (405) 385-5441
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsManagement Strategies for Invasive Aphid Pests of Cereals
                                                    In-House Appropriated
                                                                    (D)Accession Number: 439170Collaborative Institutional Biosafety Committee (IBC) Oversight between Oklahoma State University and ARS-Stillwater
                                                    Non-Funded Cooperative Agreement
                                                                    (N)Accession Number: 436435Validation and Delivery of Sugarcane Aphid + Natural Enemy Threshold Sampling Plans in Grain Sorghum
                                                    Reimbursable Cooperative Agreement
                                                                    (R)Accession Number: 441400Sorghum Aphid Ecological Model for Improved Areawide Pest Management
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 443940Bacterial Endosymbiont Effects on Biology of Cereal Aphids and Key Natural Enemies in Cereal Agroecosystems
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 438904Determining the Host Suitability and If Cross-resistance Exists for Cereal and Grass Crops Infested by the Hedgehog Grain Aphid in the Great Plains
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 440266**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Landscape composition and configuration influence parasitoid species abundance and aphid parasitism in winter wheat
                                                        

- (Peer Reviewed Journal)Elliott, N.C., Giles, K.L., Baum, K.A., Elzay, S.M., Backoulou, G.F. 2024. Landscape composition and configuration influence parasitoid species abundance and aphid parasitism in winter wheat. Journal of Economic Entomology. https://doi.org/10.1093/jee/toae073.Melanaphis sorghi, colonization and population growth in grain sorghum and johnson grass in Oklahoma

- (Peer Reviewed Journal)Elliott, N.C., Giles, K.L., Muyombo-Dibue, E.M., Lofton, J. 2024. Melanaphis sorghi, colonization and population growth in grain sorghum and johnson grass in Oklahoma. Journal of Economic Entomology. 1(5).Role of parasitoids and landscape structure in aphid population dynamics in winter canola
                                                        

- (Peer Reviewed Journal)Elliott, N.C., Giles, K.L., Baum, K.A., Elzay, S.M., Backoulou, G.F. 2023. Role of parasitoids and landscape structure in aphid population dynamics in winter canola. Biological Control. https://doi.org/10.1016/j.biocontrol.2023.105330.Effects of weather on sugarcane aphid infestation and movement in Oklahoma
                                                        

- (Peer Reviewed Journal)Lee, S., Vitale, J., Lambert, D., Vitale, P., Elliott, N.C., Giles, K. 2023. Effects of weather on sugarcane aphid infestation and movement in Oklahoma. Agriculture. 13(3). Article 613. https://doi.org/10.3390/agriculture13030613.Recent advances in agroecological research for increasing scope of areawide pest management of arthropods in cropping systems
                                                        

- (Peer Reviewed Journal)Brewer, M.J., Elliott, N.C. 2023. Recent advances in agroecological research for increasing scope of areawide pest management of arthropods in cropping systems. Current Opinion in Insect Science. 56. Article 101019. https://doi.org/10.1016/j.cois.2023.101019.Parasitoids and predators of the invasive aphid Melanaphis sorghi found in sorghum and non-crop vegetation of the sorghum agroecosystem
                                                        

- (Peer Reviewed Journal)Faris, A.M., Brewer, M.J., Elliott, N.C. 2022. Parasitoids and predators of the invasive aphid Melanaphis sorghi found in sorghum and non-crop vegetation of the sorghum agroecosystem. Insects. 13(7). Article 606. https://doi.org/10.3390/insects13070606.Evaluation of areawide forecasts of wind-borne crop pests: Sugarcane aphid (Hemiptera: Aphididae) infestations of sorghum in the Great Plains of North America
                                                        

- (Peer Reviewed Journal)Koralewski, T.E., Wang, H., Grant, W.E., Brewer, M.J., Elliott, N.C. 2022. Evaluation of areawide forecasts of wind-borne crop pests: Sugarcane aphid (Hemiptera: Aphididae) infestations of sorghum in the Great Plains of North America. Journal of Economic Entomology. https://doi.org/10.1093/jee/toac035.Natural enemies, mediated by landscape and weather conditions, shape response of the sorghum agroecosystem of North America to the invasive aphid Melanaphis sorghi
                                                        

- (Peer Reviewed Journal)Brewer, M.J., Elliott, N.C., Esquivel, I.L., Jacobson, A.L., Faris, A.M., Szcepaniec, A., Elkins, B.H., Gordy, J.W., Pekarcik, A.J., Wang, H-H., Koralewski, T.E., Giles, K.L., Jessie, C.N., Grant, W.E. 2022. Natural enemies, mediated by landscape and weather conditions, shape response of the sorghum agroecosystem of North America to the invasive aphid Melanaphis sorghi. Frontiers in Insect Science. 2. Article 830997. https://doi.org/10.3389/finsc.2022.830997.Suppression of the sugarcane aphid, Melanaphis sacchari Zehntner (Hemiptera: Aphididae), by resident natural enemies on susceptible and resistant sorghum hybrids
                                                        

- (Peer Reviewed Journal)Faris, A.M., Elliott, N.C., Brewer, M.J. 2022. Suppression of the sugarcane aphid, Melanaphis sacchari Zehntner (Hemiptera: Aphididae), by resident natural enemies on susceptible and resistant sorghum hybrids. Environmental Entomology. 51(2):332-339. https://doi.org/10.1093/ee/nvab147.Quantitative assessment of aphid parasitoids and predators in central Oklahoma wheat fields during five growing seasons
                                                        

- (Peer Reviewed Journal)Elliott, N.C., Giles, K.L., Baum, K.A., Elzay, S.D. 2021. Quantitative assessment of aphid parasitoids and predators in central Oklahoma wheat fields during five growing seasons. Southwestern Entomologist. 46(4):833-842. https://doi.org/10.3958/059.046.0404.Quantitative study of aphid natural enemies in central Oklahoma canola fields
                                                        

- (Peer Reviewed Journal)Elliott, N.C., Giles, K.L., Baum, K.A., Elsay, S.M. 2022. Quantitative study of aphid natural enemies in central Oklahoma canola fields. Southwestern Entomologist. 47(4):821-828. https://doi.org/10.3958/059.047.0403.Simulating migration of wind-borne pests: “Deconstructing” representation of the emigration process
                                                        

- (Peer Reviewed Journal)Wang, H., Grant, W.E., Koralewski, T.E., Brewer, M.J., Elliott, N.C. 2021. Simulating migration of wind-borne pests: “Deconstructing” representation of the emigration process. Ecological Modelling. https://doi.org/10.1016/j.ecolmodel.2021.109742.Increase in importance of Aphelinus nigritus (Howard) on winter crops in Oklahoma coincides with invasion of sugarcane aphid on sorghum in Oklahoma
                                                        

- (Peer Reviewed Journal)Giles, K.L., Elliott, N.C., Butler, H.E., Baum, K.A., Backoulou, G.F. 2021. Increase in importance of Aphelinus nigritus (Howard) on winter crops in Oklahoma coincides with invasion of sugarcane aphid on sorghum in Oklahoma. Southwestern Entomologist. 46(1):59-68. https://doi.org/10.3958/059.046.0105.Modeling the dispersal of wind-borne pests: Sensitivity of infestation forecasts to uncertainty in parameterization of long-distance airborne dispersal
                                                        

- (Peer Reviewed Journal)Koralewski, T.E., Wang, H., Grant, W.E., Brewer, M.J., Elliott, N.C., Westbrook, J.K. 2021. Modeling the dispersal of wind-borne pests: Sensitivity of infestation forecasts to uncertainty in parameterization of long-distance airborne dispersal. Agricultural and Forest Meteorology. 301-302. Article 108357. https://doi.org/10.1016/j.agrformet.2021.108357.Recruitment of natural enemies of the invasive sugarcane aphid vary spatially and temporally in sorghum fields in the southern Great Plains of the USA
                                                        

- (Peer Reviewed Journal)Elliott, N., Giles, K., Brewer, M., Szczepaniec, A., Knutson, A., Michaud, J.P., Jessie, C., Faris, A., Elkins, B., Wang, H., Koralewski, T., Grant, W. 2021. Recruitment of natural enemies of the invasive sugarcane aphid vary spatially and temporally in sorghum fields in the southern Great Plains of the USA. Southwestern Entomologist. 46(2):357-372. https://doi.org/10.3958/059.046.0207.Small grain aphids in Oklahoma and their management

- (Experiment Station)2020. Small grain aphids in Oklahoma and their management. Oklahoma Agriculture Experiment Station Departmental Publication. EPP, 7099, 1-8.Toward near-real-time forecasts of airborne crop pests: Aphid invasions of cereal grains in North America
                                                        

- (Peer Reviewed Journal)Koralewski, T.E., Wang, H., Grant, W.E., LaForest, J.H., Brewer, M.J., Elliott, N.C., Westbrook, J.K. 2020. Toward near-real-time forecasts of airborne crop pests: Aphid invasions of cereal grains in North America. Computers and Electronics in Agriculture. 179:105861. https://doi.org/10.1016/j.compag.2020.105861.Evaluation of two-leaf sampling units to estimate sugarcane aphid (Hemiptera: Aphididae) economic thresholds in commercial grain sorghum
                                                        

- (Peer Reviewed Journal)Lindenmayer, J.C., Payton, M., Giles, K.L., Elliott, N.C., Knutson, A.E., Bowling, R., Seiter, N.J., McCornak, B., Brown, S.A., Royer, T.A. 2021. Evaluation of two-leaf sampling units to estimate sugarcane aphid (Hemiptera: Aphididae) economic thresholds in commercial grain sorghum. Journal of Economic Entomology. 114(1):481-485. https://doi.org/10.1093/jee/toaa270.Where do all the aphids go? A series of thought experiments within the context of areawide pest management
                                                        

- (Peer Reviewed Journal)Wang, H., Grant, W.E., Koralewski, T.E., Elliott, N.C., Brewer, M.J., Westbrook, J.K. 2020. Where do all the aphids go? A series of thought experiments within the context of areawide pest management. Agricultural Systems. 185:102957. https://doi.org/10.1016/j.agsy.2020.102957.Farm management practices used by wheat producers in the western Great Plains: Estimating their productivity and profitability

- (Peer Reviewed Journal)Vitale, J., Vitale, P.P., Epplin, F., Giles, K., Elliott, N.C., Peairs, F., Burgener, P., Keenan, S. 2020. Farm management practices used by wheat producers in the western Great Plains: Estimating their productivity and profitability. Journal of Applied Farm Economics. 3(1).Development of binomial sequential sampling plans for sugarcane aphid melanaphis sacchari zehntner (Hemiptera: Aphididae) in commercial grain sorghum
                                                        

- (Peer Reviewed Journal)Lindenmayer, J.C., Giles, K.L., Elliott, N.C., Knutson, A.E., Bowling, R., Gordy, J.W., McCornack, B., Brown, S.A., Brewer, M., Catchot, A.L., Royer, T.A., Seiter, N.J. 2020. Development of binomial sequential sampling plans for sugarcane aphid melanaphis sacchari zehntner (Hemiptera: Aphididae) in commercial grain sorghum. Journal of Economic Entomology. 1-9. https://doi.org/10.1093/jee/toaa064.Integrating models of atmospheric dispersion and crop-pest dynamics: Linking detection of local aphid infestations to forecasts of region-wide invasion of cereal crops
                                                        

- (Peer Reviewed Journal)Koralewski, T.E., Wang, H., Grant, W.E., Brewer, M.J., Elliott, N.C., Westbrook, J.K. 2020. Integrating models of atmospheric dispersion and crop-pest dynamics: Linking detection of local aphid infestations to forecasts of region-wide invasion of cereal crops. Annals of the Entomological Society of America. 113(2):79-87. https://doi:10.1093/aesa/saz047.Integrated modelling of the life cycle and aeroecology of wind-borne pests in temporally-variable spatially-heterogeneous environment
                                                        

- (Peer Reviewed Journal)Wang, H., Grant, W.E., Elliott, N.C., Brewer, M.J., Koralewski, T.E., Westbrook, J.K., Alves, T.M., Sword, G.A. 2019. Integrated modelling of the life cycle and aeroecology of wind-borne pests in temporally-variable spatially-heterogeneous environment. Ecological Modelling. 399:23-38. https://doi.org/10.1016/j.ecolmodel.2019.02.014.Early season parasitism of cereal aphids in wheat fields and field borders
                                                        

- (Peer Reviewed Journal)Elliott, N.C., Giles, K.L., Brewer, M.J., Jessie, C.N. 2019. Early season parasitism of cereal aphids in wheat fields and field borders. Southwestern Entomologist. 44(1):11-19. https://doi.org/10.3958/059.044.0102.Suitability of Schizaphis graminum parasitized by Lysiphlebus testaceipes as intraguild prey for Chrysoperla rufilabris
                                                        

- (Peer Reviewed Journal)Jessie, C.N., Giles, K.L., Royer, T.A., Payton, M.E., Elliott, N.C., Jessie, W.P. 2019. Suitability of Schizaphis graminum parasitized by Lysiphlebus testaceipes as intraguild prey for Chrysoperla rufilabris. Southwestern Entomologist. 44(1):21-33. https://doi.org/10.3958/059.044.0103.Detecting change in a sorghum field infested by sugarcane aphid
                                                        

- (Peer Reviewed Journal)Backlolou, G.F., Elliott, N.C., Giles, K.L., Brewer, M.J., Starke, M. 2018. Detecting change in a sorghum field infested by sugarcane aphid. Southwestern Entomologist. 43(4):823-832. https://doi.org/10.3958/059.043.0401.Behavioral and ovipositional response of Diaeretiella rapae (Hymenoptera: Braconidae) to Rhopalosiphum padi and Brevicoryne brassicae in winter wheat and winter canola
                                                        

- (Peer Reviewed Journal)Ferguson, M.E., Giles, K.L., Elliott, N.C., Payton, M.E., Royer, T.A. 2018. Behavioral and ovipositional response of Diaeretiella rapae (Hymenoptera: Braconidae) to Rhopalosiphum padi and Brevicoryne brassicae in winter wheat and winter canola. Environmental Entomology. 47(6):1517-1524. https://doi.org/10.1093/ee/nvy151.Invasive cereal aphids of North America: Ecology and pest management
                                                        

- (Peer Reviewed Journal)Brewer, M.J., Peairs, F.B., Elliott, N.C. 2019. Invasive cereal aphids of North America: Ecology and pest management. Annual Review of Entomology. 64:73-93. https://doi.org/10.1146/annurev-ento-011118-111838.Landscape context affects aphid parasitism by Lysiphlebus testaceipes (Hymenoptera: Aphidiinae) in wheat fields
                                                        

- (Peer Reviewed Journal)Elliott, N.C., Brewer, M.J., Giles, K.L. 2018. Landscape context affects aphid parasitism by Lysiphlebus testaceipes (Hymenoptera: Aphidiinae) in wheat fields. Environmental Entomology. 47(4):803-811. https://doi.org/10.1093/ee/nvy035.Plant resistance in sorghums to the sugarcane aphid (Hemiptera: Aphididae)
                                                        

- (Peer Reviewed Journal)Armstrong, J.S., Paudyal, S., Limaje, A., Elliott, N.C., Hoback, W. 2018. Plant resistance in sorghums to the sugarcane aphid (Hemiptera: Aphididae). Journal of Entomological Science. 53(4):478-485. doi.org/10.18474/JES17-106.1.Using multispectral imagery to map spatially variable sugarcane aphid infestations in sorghum
                                                        

- (Peer Reviewed Journal)Backoulou, G.F., Elliott, N.C., Giles, K.L., Alves, T.M., Brewer, M.J., Starek, M. 2018. Using multispectral imagery to map spatially variable sugarcane aphid infestations in sorghum. Southwestern Entomologist. 43(1):37-44. https://doi.org/10.3958/059.043.0122.Unmanned aircraft system-derived crop height and normalized difference vegetation index metrics for sorghum yield and aphid stress assessment

- (Peer Reviewed Journal)Stanton, C., Starek, M., Elliott, N.C., Brewer, M., Maeda, M., Chu, T. 2017. Unmanned aircraft system-derived crop height and normalized difference vegetation index metrics for sorghum yield and aphid stress assessment. Journal of Applied Remote Sensing (JARS). 11(2):026035. doi:10.1117/1.JRS.11.026035.Incorporating biological control into IPM decision making

- (Peer Reviewed Journal)Giles, K.L., McCornack, B.P., Royer, T.A., Elliott, N.C. 2017. Incorporating biological control into IPM decision making. Current Opinion in Insect Science. 14:1-6.Application of pheromone traps for managing Hessian fly, (Diptera: Cecidomyiidae) in the Southern Great Plains

- (Peer Reviewed Journal)Knutson, A.E., Giles, K.L., Royer, T.A., Elliott, N.C., Bradford, N. 2017. Application of pheromone traps for managing Hessian fly, (Diptera: Cecidomyiidae) in the Southern Great Plains. Journal of Economic Entomology. 110(3):1052-1061.Sugarcane aphid spatial distribution in grain sorghum fields

- (Peer Reviewed Journal)Elliott, N.C., Brewer, M., Seiter, N., Royer, T., Bowling, R., Backoulou, G., Gordy, J., Giles, K., Lindenmayer, J., McCornack, B., Kerns, D. 2017. Sugarcane aphid spatial distribution in grain sorghum fields. Southwestern Entomologist. 42(1):27-35.Genome-wide association study reveals genetic architecture of coleoptile length in wheat

- (Peer Reviewed Journal)Li, G., Bai, G., Carver, B.F., Elliott, N.C., Bennett, R.S., Wu, Y., Hunger, R., Bonman, J.M., Xu, X. 2017. Genome-wide association study reveals genetic architecture of coleoptile length in wheat. Theoretical and Applied Genetics. 130(2):391-401.Towards efficient multi-scale methods for monitoring sugarcane aphid infestations in sorghum

- (Abstract Only)Elliott, N.C., Royer, T.A., Brewer, M.J., Seiter, N.J., Giles, K.L., Knutson, A.E., Mccornack, B.P., Backoulou, G.F. 2016. Towards efficient multi-scale methods for monitoring sugarcane aphid infestations in sorghum [abstract]. 2016 XXV International Congress of Entomology; September 25-30, 2016, Orlando, FL. #3382.Sugarcane aphid (Homoptera: Aphididae): A new pest on sorghum in North America

- (Peer Reviewed Journal)Bowling, R., Brewer, M.J., Kerns, D.L., Gordy, J., Seiter, N., Elliott, N.C., Buntin, D.G., Way, M.O., Royer, T.A., Biles, S.P., Maxson, E. 2016. Sugarcane aphid (Homoptera: Aphididae): A new pest on sorghum in North America. Journal of Integrated Pest Management. 7(1):12. doi:10.1093/jipm/pmw011.Using multispectral imagery to compare the spatial pattern of injury to wheat caused by Russian wheat aphid and greenbug

- (Peer Reviewed Journal)Backoulou, G.F., Elliott, N.C., Giles, K.L. 2016. Using multispectral imagery to compare the spatial pattern of injury to wheat caused by Russian wheat aphid and greenbug. Southwestern Entomologist. 41(1):1-8.Greenbug (Hemiptera: Aphididae) biology, ecology, and management in wheat and sorghum

- (Peer Reviewed Journal)Royer, T.A., Pendleton, B.B., Elliott, N.C., Giles, K.L. 2015. Greenbug (Hemiptera: Aphididae) biology, ecology, and management in wheat and sorghum. Journal of Integrated Pest Management. 6(1): 19 doi: 10.1093/jipm/pmv018.Remote sensing and reflectance profiling in entomology

- (Peer Reviewed Journal)Nansen, C., Elliott, N.C. 2016. Remote sensing and reflectance profiling in entomology. Annual Review Of Entomology. 61:139-158.Sugarcane aphid in Oklahoma: Responding to a new pest

- (Abstract Only)Zarrabi, A., Giles, K.L., Seuhs, K., Elliott, N.C., Royer, T.A. 2015. Sugarcane aphid in Oklahoma: Responding to a new pest [abstract]. In: Burow, G.B., Jugulam, M., Valentin, K.E. Proceedings of the 2015 SICNA Meeting, September 1-3, 2015, Manhattan, Kansas. p. 36-37. Available: www.sicna.net.Processed multispectral imagery differentiates wheat crop stress caused by greenbug from other causes
                                                        

- (Peer Reviewed Journal)Backoulou, G.F., Elliott, N.C., Giles, K.L., Mirik, M. 2015. Processed multispectral imagery differentiates wheat crop stress caused by greenbug from other causes. Computers and Electronics in Agriculture. 115:34-39.NDVI to detect sugarcane aphid injury to grain sorghum
                                                        

- (Peer Reviewed Journal)Elliott, N.C., Backoulou, G.F., Brewer, M.J., Giles, K.L. 2015. NDVI to detect sugarcane aphid injury to grain sorghum. Journal of Economic Entomology. 108(3):1452-1455.A web-based decision support system for managing panicle caterpillars in sorghum

- (Peer Reviewed Journal)Backoulou, G.F., Elliott, N.C., Royer, T.A., McCornack, B.P., Giles, K.L., Pendleton, B.B., Brewer, M.J. 2014. A web-based decision support system for managing panicle caterpillars in sorghum. Crop Management. 13(1):6p. doi: 10.2134/CM-2014-0020-MG.Parasitism of aphids in canola fields in central Oklahoma

- (Peer Reviewed Journal)Elliott, N.C., Backoulou, G.F., Giles, K.L., Royer, T.A. 2014. Parasitism of aphids in canola fields in central Oklahoma. Journal of Agricultural and Urban Entomology. 30(1):59-64.Crop diversity on traditional great plains wheat farms
                                                        

- (Peer Reviewed Journal)Vitale, P.A., Epplin, F.M., Giles, K.L., Elliott, N.C., Burgener, P.A., Keenan, S.P. 2014. Crop diversity on traditional great plains wheat farms. Journal of American Society of Farm Managers and Rural Appraisers. 77(1):145-159.High spectral and spatial resolution hyperspectral imagery for quantifying Russian wheat aphid infestation in wheat using the constrained energy minimization classifier
                                                        

- (Peer Reviewed Journal)Mirik, M., Ansley, R.J., Steddom, K., Rush, C.M., Michels, G.J., Workneh, F., Cui, S., Elliott, N.C. 2014. High spectral and spatial resolution hyperspectral imagery for quantifying Russian wheat aphid infestation in wheat using the constrained energy minimization classifier. Journal of Applied Remote Sensing (JARS). 8(1):083661 14 p.Sequential sampling for panicle caterpillars (Lepidoptera: Noctuidae) in sorghum

- (Peer Reviewed Journal)Elliott, N.C., Brewer, M.J., Giles, K.L., Backoulou, G.F., McCornack, B.P., Pendleton, B.B., Royer, T.A. 2014. Sequential sampling for panicle caterpillars (Lepidoptera: Noctuidae) in sorghum. Journal of Economic Entomology. 107(2):846-853.Aphids and parasitoids in wheat and nearby canola fields in central Oklahoma

- (Peer Reviewed Journal)Elliott, N.C., Backoulou, G.F., Giles, K.L., Royer, T.A. 2014. Aphids and parasitoids in wheat and nearby canola fields in central Oklahoma. Southwestern Entomologist. 39(1):23-28.The Sorghum Headworm Calculator: A speedy tool for headworm management

- (Proceedings)Royer, T.A., Backoulou, G.F., Elliott, N.C., Giles, K.L., McCornack, B.P., Pendleton, B.B., Brewer, M.J. 2013. The Sorghum Headworm Calculator: A speedy tool for headworm management. Proceedings of the 2013 Sorghum Improvement Conference of North America (SICNA) Meeting, August 28-30, 2013, Lubbock, Texas. p. 8.Prey foraging movements by Hippodamia convergens in wheat are influenced by hunger and aphids

- (Peer Reviewed Journal)Elliott, N.C., Kieckhefer, R.W., Phoofolo, M.W. 2013. Prey foraging movements by Hippodamia convergens in wheat are influenced by hunger and aphids. Southwestern Entomologist. 38(2):163-172.Remote distinction of a noxious weed (musk thistle: Carduus nutans) using airborne hyperspectral imagery and the support vector machine classifier

- (Peer Reviewed Journal)Mirik, M., Ansley, R.J., Steddom, K., Jones, D.C., Rush, C.M., Michels Jr., G.J., Elliott, N.C. 2013. Remote distinction of a noxious weed (musk thistle: Carduus nutans) using airborne hyperspectral imagery and the support vector machine classifier. Remote Sensing. 5(2):612-630.Foraging by Hippodamia convergens for the aphid Sitobion avenae on wheat plants growing in greenhouse plots

- (Peer Reviewed Journal)Elliott, N.C., Kieckhefer, R.L., Phoofolo, M.W. 2012. Foraging by Hippodamia convergens for the aphid Sitobion avenae on wheat plants growing in greenhouse plots. Southwestern Entomologist. 37(4):467-474.Common insect and mite pests of small grains

- (Experiment Station)Royer, T.A., Giles, K.L., Elliott, N.C. 2012. Common insect and mite pests of small grains. Oklahoma Cooperative Extension Service Fact Sheets, EPP-7176. 4 p.Differentiating stress to wheat fields induced by Diuraphis noxia from other stress causing factors

- (Peer Reviewed Journal)Backoulou, G.F., Elliott, N.C., Giles, K.L., Rao, M.N. 2013. Differentiating stress to wheat fields induced by Diuraphis noxia from other stress causing factors. Journal of Economic Entomology. 90:47-53.Prey foraging by Hippodamia convergens for cereal aphids on wheat

- (Abstract Only)Elliott, N.C. 2012. Prey foraging by Hippodamia convergens for cereal aphids on wheat [abstract]. 20th Biennial International Plant Resistance to Insects Workshop, April 1-4, 2012, Minneapolis, MN. p. 26.Spectral vegetation indices selected for quantifying Russian wheat aphid (Diuraphis noxia) feeding damage in wheat

- (Peer Reviewed Journal)Mirik, M., Ansley, R.J., Michels, Jr., G.J., Elliott, N.C. 2012. Spectral vegetation indices selected for quantifying Russian wheat aphid (Diuraphis noxia) feeding damage in wheat. Precision Agriculture. 13(4):501-516.Introduction - Wheat Production in the Great Plains

- (Book / Chapter)Elliott, N.C. 2010. Introduction - Wheat Production in the Great Plains. In: Peairs, F. and Armenta, R., editors. Wheat Production and Pest Management for the Great Plains Region. CSU Extension XCM235. In cooperation with Kansas State University, Oklahoma State University, Texas Agrilife Research and Extension Center, University of Nebraska and USDA-ARS. p. 1-6.Functional response of Hippodamia convergens to Sitobion avenae on wheat plants in the laboratory

- (Peer Reviewed Journal)Elliott, N.C., Kieckhefer, R.W., Phoofolo, M.W. 2011. Functional response of Hippodamia convergens to Sitobion avenae on wheat plants in the laboratory. Southwestern Entomologist. 36(4):423-431.Spatially discriminating Russian wheat aphid induced plant stress from other wheat stressing factors

- (Peer Reviewed Journal)Backoulou, G., Elliott, N.C., Giles, K., Phoofola, M., Catana, V., Mirik, M., Michels, J. 2011. Spatially discriminating Russian wheat aphid induced plant stress from other wheat stressing factors. Computers and Electronics in Agriculture. 78:123-129.Field efficacy of wintertime insecticide applications against greenbugs, Schizaphis graminum (Rondani) (Hemiptera: Aphididae), on winter wheat (Triticum aestivum L.)

- (Peer Reviewed Journal)Royer, T.A., Elliott, N.C., Giles, K.L., Kindler, S.D. 2011. Field efficacy of wintertime insecticide applications against greenbugs, Schizaphis graminum (Rondani) (Hemiptera: Aphididae), on winter wheat (Triticum aestivum L.). Crop Protection. 30(7):826-832.Development of a method using multispectral imagery and spatial pattern metrics to quantify stress to wheat fields caused by Diuraphis noxia

- (Peer Reviewed Journal)Backoulou, G., Elliott, N.C., Giles, K., Phoofolo, M., Catana, V. 2011. Development of a method using multispectral imagery and spatial pattern metrics to quantify stress to wheat fields caused by Diuraphis noxia. Computers and Electronics in Agriculture. 75:64-70.USDA-ARS-SPA Wheat, Peanut and Other Field Crops Research Unit annual report

- (Other)Puterka, G.J., Baker, C.A., Burd, J.D., Elliott, N.C., Huang, Y., Mornhinweg, D.W., Shufran, K.A. 2011. USDA-ARS-SPA Wheat, Peanut and Other Field Crops Research Unit. Western Regional Research Project Annual Report. September 2010, Ft. Collins, Colorado. p. 19-28.Foraging by Hippodamia convergens for cereal aphids on wheat plants in the laboratory

- (Peer Reviewed Journal)Elliott, N.C., Kieckhefer, R.W., Phoofolo, M.W. 2011. Foraging by Hippodamia convergens for cereal aphids on wheat plants in the laboratory. Southwestern Entomologist. 36(1):1-10.Relationship between Russian wheat aphid abundance and edaphic and topographic characteristics of wheat fields

- (Peer Reviewed Journal)Backoulou, G.F., Elliott, N.C., Giles, K.L., Catana, V., Phoofolo, M., Peairs, F.B., Hein, G.L. 2010. Relationship between Russian wheat aphid abundance and edaphic and topographic characteristics of wheat fields. Southwestern Entomologist. 35(1):11-18.Effects of relay-intercropping sorghum with winter wheat, alfalfa, and cotton on lady beetle (Coleoptera: Coccinellidae) abundance and species composition

- (Peer Reviewed Journal)Phoofolo, M.W., Giles, K.L., Elliott, N.C. 2010. Effects of relay-intercropping sorghum with winter wheat, alfalfa, and cotton on lady beetle (Coleoptera: Coccinellidae) abundance and species composition. Environmental Entomology. 39(3):763-774.Book Review of 'Modelling for Field Biologists and Other Interesting People' by Kokko, H

- (Review Article)Elliott, N.C. 2009. Book Review of 'Modelling for Field Biologists and Other Interesting People' by Kokko, H. American Entomologist. 55(4):265.Grain and vegetative biomass reduction by the Russian wheat aphid in winter wheat

- (Peer Reviewed Journal)Mirik, M., Ansley, R.J., Michels Jr., G.J., Elliott, N.C. 2009. Grain and vegetative biomass reduction by the Russian wheat aphid in winter wheat. Southwestern Entomologist. 34(2):131-139.Differentiating stress induced by greenbugs and Russian wheat aphids in wheat using remote sensing

- (Peer Reviewed Journal)Yang, Z.Y., Rao, M.N., Elliott, N.C., Kindler, S.D., Popham, T.W. 2009. Differentiating stress induced by greenbugs and Russian wheat aphids in wheat using remote sensing. Computers and Electronics in Agriculture. 67(1-2):64-70.Analysis of growth and development in the final instar of three species of predatory Coccinellidae under varying prey availability

- (Peer Reviewed Journal)Phoofolo, M.W., Elliott, N.C., Giles, K.L. 2009. Analysis of growth and development in the final instar of three species of predatory Coccinellidae under varying prey availability. Entomologia Experimentalis et Applicata. 131:264-277.Airborne remote sensing to detect greenbug stress to wheat

- (Peer Reviewed Journal)Elliott, N.C., Mirik, M., Yang, Z., Jones, D., Phoofolo, M., Catana, V., Giles, K., Michels, J. 2009. Airborne remote sensing to detect greenbug stress to wheat. Southwestern Entomologist. 34(3):205-211.Supercooling points of Lysiphlebus testaceipes and its host Schizaphis graminum

- (Peer Reviewed Journal)Jones, D.B., Giles, K.L., Elliott, N.C. 2008. Supercooling points of Lysiphlebus testaceipes and its host Schizaphis graminum. Environmental Entomology. 37(5):1063-1068.Oklahoma

- (Other)A landscape view of cereal aphid parasitoid dynamics reveals sensitivity to farm- and region-scale vegetation structure

- (Peer Reviewed Journal)Brewer, M.J., Noma, T., Elliott, N.C., Kravchenko, A.N., Hild, A.L. 2008. A landscape view of cereal aphid parasitoid dynamics reveals sensitivity to farm- and region-scale vegetation structure. European Journal of Entomology. 105:503-511.History and ecological basis for areawide pest management

- (Book / Chapter)Elliott, N.C., Onstad, D.W., Brewer, M.J. 2008. History and ecological basis for areawide pest management. In: Koul, O., Cuperus, G.W., and Elliott, N.C., editors. Areawide Pest Management: Theory and Implementation. CAB International, Wallingford, Oxfordshire, UK. p. 15-33.A landscape perspective in managing vegetation for beneficial plant-pest-natural enemy interactions: A foundation for areawide pest management

- (Book / Chapter)Brewer, M.J., Noma, T., Elliott, N.C. 2008. A landscape perspective in managing vegetation for beneficial plant-pest-natural enemy interactions: A foundation for areawide pest management. In: Koul, O., Cuperus, G.W., and Elliott, N.C., editors. Areawide Pest Management: Theory and Implementation. CAB International, Wallingford, Oxfordshire, UK. p. 81-96.The role of databases in areawide pest management

- (Book / Chapter)Catana, V., Elliott, N.C., Giles, K., Mirik, M., Porter, D.R., Hein, G., Peairs, F., Michels, J. 2008. The role of databases in areawide pest management. In: Koul, O., Cuperus, G.W., and Elliott, N.C., editors. Areawide Pest Management: Theory and Implementation. CAB International, Wallingford, Oxfordshire, UK. p. 142-158.Larval life history responses to food deprivation in three species of predatory lady beetles (Coleoptera: Coccinellidae)

- (Peer Reviewed Journal)Phoofolo, M.W., Giles, K.L., Elliott, N.C. 2008. Larvel life history responses to food deprivation in three species of predatory lady beetles (Coleoptera: Coccinellidae). Environmental Entomology. 37(2):315-322.Airborne multi-spectral remote sensing of Russian wheat aphid injury to wheat

- (Peer Reviewed Journal)Elliott, N.C., Mirik, M., Yang, Z., Dvorak, T., Rao, M., Michels, J., Walker, T., Catana, V., Phoofolo, M., Giles, K., Royer, T. 2007. Airborne multi-spectral remote sensing of Russian wheat aphid injury to wheat. Southwestern Entomologist. 32:213-219.Reflectance characteristics of Russian wheat aphid (Hemiptera: Aphididae) stress and abundance in winter wheat

- (Peer Reviewed Journal)Mirik, M., Michels, G.J., Kassymzhanova-Mirik, S., Elliott, N.C. 2007. Reflectance characteristics of Russian wheat aphid (Hemiptera: Aphididae) stress and abundance in winter wheat. Computers and Electronics in Agriculture. 57:123-134.Parasitism of greenbug, Schizaphis graminum, by the parasitoid Lysiphlebus testaceipes, at winter temperatures

- (Peer Reviewed Journal)Jones, D.B., Giles, K.L., Elliott, N.C., Payton, M.E. 2007. Parasitism of greenbug, Schizaphis graminum, by the parasitoid Lysiphlebus testaceipes, at winter temperatures. Environmental Entomology. 36:1-8.Collaborating with wheat producers in demonstrating areawide integrated pest management

- (Peer Reviewed Journal)Keenan, S.P., Giles, K.L., Burgener, P.A., Christian, D.A., Elliott, N.C. 2007. Collaborating with wheat producers in demonstrating areawide integrated pest management. Journal of Extension. 45(1):1FEA7.Spectral sensing of aphid (Hemiptera: Aphididae) density using field spectrometry and radiometry

- (Peer Reviewed Journal)Mirik, M., Michels, Jr., G.J., Kassymzhanova, S., Elliott, N.C., Catana, V. 2006. Spectral sensing of aphid (Hemiptera: Aphididae) density using field spectrometry and radiometry. Turkish Journal of Agriculture and Forestry. 30:421-428.SEASONAL OCCURRENCE OF APHIDS AND NATURAL ENEMIES IN WHEAT AND ALTERNATIVE CROPS GROWN IN OKLAHOMA

- (Proceedings)Kindler, D., Elliott, N.C., French, W., Arnold, D. 2005. Seasonal occurrence of aphids and natural enemies in wheat and alternative crops grown in Oklahoma. Proceedings of the International Organization of Biocontrol, August 2-5, 2001, Bozeman, Montana. p. 49.Quantitative evaluation of suitability of the greenbug, Schizaphis graminum, and the bird cherry-oat aphid, Rhopalosiphum padi, as prey for Hippodamia convergens (Coleoptera: Coccinellidae)

- (Peer Reviewed Journal)Phoofolo, M., Giles, K.L., Elliott, N.C. 2007. Quantitative evaluation of suitability of the greenbug, Schizaphis graminum, and the bird cherry-oat aphid, Rhopalosiphum padi, as prey for Hippodamia convergens (Coleoptera: Coccinellidae). Biological Control. 41(1):25-32.Hyperspectral spectrometry as a means to differentiate uninfested and infested winter wheat by greenbug (Hemiptera: Aphididae)

- (Peer Reviewed Journal)Mirik, M., Michels, Jr., G.J., Kassymzhanova-Mirik, S., Elliott, N.C., Bowling, R. 2006. Hyperspectral spectrometry as a means to differentiate uninfested and infested winter wheat by greenbug (Hemiptera: Aphididae). Journal of Economic Entomology. 99(5):1682-1690.D-vac sampling for predatory arthropods in winter wheat

- (Peer Reviewed Journal)Elliott, N.C., Tao, F.L., Fuentes-Granados, R., Giles, K.L., Elliott, D.T., Greenstone, M.H., Shufran, K.A., Royer, T.A. 2006. D-vac sampling for predatory arthropods in winter wheat. Biological Control. 38:325-330.GROUND BEETLE DENSITY IN OKLAHOMA WINTER WHEAT FIELDS

- (Peer Reviewed Journal)Elliott, N.C., Tao, F.L., Giles, K.L., Kindler, D., French, B.W., Greenstone, M.H., Shufran, K.A. 2006. Ground beetle density in Oklahoma winter wheat fields. Southwestern Entomologist. 31(2):121-128.USING DIGITAL IMAGE ANALYSIS AND SPECTRAL REFLECTANCE DATA TO QUANTIFY DAMAGE BY GREENBUG (HEMITERA: APHIDIDAE) IN WINTER WHEAT

- (Peer Reviewed Journal)Mirik, M., Michels, G.J., Kassymzhanova-Mirik, S., Elliott, N.C., Catana, V., Jones, D.B., Bowling, R. 2006. Using digital image analysis and spectral reflectance data to quantify damage by greenbug (Hemitera: Aphididae) in winter wheat. Computers and Electronics in Agriculture. 51:86-98.AIRBORNE MULTI-SPECTRAL REMOTE SENSING FOR RUSSIAN WHEAT APHID INFESTATIONS

- (Proceedings)Elliott, N.C., Mirik, M., Yang, Z., Dvorak, T., Rao, M., Michels, J., Catana, V., Phoofolo, M., Giles, K., Royer, T. 2005. Airborne multi-spectral remote sensing for Russian wheat aphid infestations. In: Proceedings of the 20th Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment, October 4-6, 2005, Weslaco, TX. 2005 CDROM.HYPERSPECTRAL FIELD SPECTROMETRY FOR ESTIMATING GREENBUG (HOMOPTERA: APHIDIDAE) DAMAGE IN WHEAT

- (Proceedings)Mirik, M., Michels, Jr, G.J., Kassymzhanova-Mirik, S., Jones, D., Elliott, N.C., Catanna, V., Bowling, R. 2005. Hyperspectral field spectrometry for estimating greenbug (Homoptera: Aphididae) damage in wheat. In: Proceedings of the 20th Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment, October 4-6, 2005, Weslaco, Texas. 2005 CDROM.SPECTRAL PROPERTIES OF TREE CHOLLA AND YUCCA MEASURED BY AN AIRBORNE HYPERSPECTRAL SENSOR AND THE RESULTING MAXIMUM LIKELIHOOD CLASSIFICATION OF RANGELANDS

- (Proceedings)Mirik, M., Michels, Jr., G.J., Kassymzhanova-Mirik, S., Jones, D., Elliott, N.C. 2005. Spectral properties of tree cholla and yucca measured by an airborne hyperspectral sensor and the resulting maximum likelihood classification of rangelands. In: Proceedings of the 20th Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment, October 4-6, 2005, Weslaco, Texas. 2005 CDROM.USING AIRBORNE HYPERSPECTRAL IMAGERY TO IDENTIFY LOCAL INFESTATION OF MUSK THISTLE, CARDUUS NUTANS L., FROM CO-OCCURING VEGETATION

- (Proceedings)Mirik, M., Michels, Jr., G.J., Kassymzhanova-Mirik, S., Jones, D., Elliott, N.C. 2005. Using airborne hyperspectral imagery to identify local infestation of musk thistle, Carduus nutans L., from co-occuring vegetation. In: Proceedings of the 20th Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment, October 4-6, 2005, Weslaco, Texas. 2005 CDROM.FIRST QUANTITATIVE STUDY OF ROVE BEETLES IN OKLAHOMA WINTER WHEAT FIELDS

- (Peer Reviewed Journal)Elliott, N.C., Tao, F.L., Giles, K.L., Royer, T.A., Greenstone, M.H., Shufran, K.A. 2006. First quantitative study of rove beetles in Oklahoma winter wheat fields. Biocontrol. 51:79-87.GROWER PERSPECTIVES ON AREAWIDE WHEAT INTEGRATED PEST MANAGEMENT IN THE SOUTHERN U.S. GREAT PLAINS

- (Book / Chapter)Keenan, S.P., Giles, K.L., Elliott, N.C., Royer, T.A., Porter, D.R., Burgener, P.A., Christian, D.A. 2007. Grower perspectives on areawide wheat integrated pest management in the Southern U.S. Great Plains. In: Koul, O., Cuperus, G.W., editors. Ecologically Based Integrated Pest Management. CAB International Publishing, Inc., London. p. 289-314.SURVIVAL, DEVELOPMENT, AND GROWTH OF COCCINELLA SEPTEMPUNCTATA FED SCHIZAPHIS GRAMINUM FROM RESISTANT AND SUSCEPTIBLE WINTER WHEAT

- (Peer Reviewed Journal)Giles, K.L., Dillwith, J.W., Berberet, R.C., Elliott, N.C. 2005. Survival, development, and growth of Coccinella septempunctata fed Schizaphis graminum from resistant and susceptible winter wheat. Southwestern Entomologist 30(2):113-120.HYMENOPTERAN PARASITOIDS AND DIPTERAN PREDATORS OF THE INVASIVE APHID DIURAPHIS NOXIA AFTER ENEMY INTRODUCTIONS: TEMPORAL VARIATION AND IMPLICATION FOR FUTURE APHID INVASIONS

- (Peer Reviewed Journal)Brewer, M.J., Noma, T., Elliott, N.C. 2005. Hymenopteran parasitoids and dipteran predators of the invasive aphid Diuraphis noxia after enemy introductions: Temporal variation and implication for future aphid invasions. Biological Control 33:315-323.NATURAL ENEMY IMPACT ON THE RUSSIAN WHEAT APHID IN SOUTHEASTERN COLORADO

- (Peer Reviewed Journal)Lee, J.H., Elliott, N.C., Kindler, D., French, B.W., Walker, C.B., Eikenbary, R.D. 2005. Natural enemy impact on the Russian wheat aphid in southeastern Colorado. Environmental Entomology. 34:115-123.USING GROUND-BASED MULTISPECTRAL RADIOMETRY TO DETECT STRESS IN WHEAT CAUSED BY GREENBUG (HOMOPTERA: APHIDIDAE) INFESTATION

- (Peer Reviewed Journal)Yang, Z., Rao, M.N., Elliott, N.C., Kindler, D., Popham, T.W. 2005. Using ground-based multispectral radiometry to detect stress in wheat caused by greenbug (Homoptera: Aphididae) infestation. Computers and Electronics in Agriculture. 47:121-135. Available: http://www.sciencedirect.com.ECONOMIC EVALUATION OF THE EFFECTS OF PLANTING DATE AND APPLICATION RATE OF IMIDACLOPRID FOR MANAGEMENT OF CEREAL APHIDS AND BARLEY YELLOW DWARF DISEASES IN WINTER WHEAT

- (Peer Reviewed Journal)Royer, T.A., Giles, K.L., Nyamanzi, T., Hunger, R., Krenzer, E.G., Elliott, N.C., Kindler, D., Payton, M. 2005. Economic evaluation of the effects of planting date and application rate of imidacloprid for management of cereal aphids and barley yellow dwarf diseases in winter wheat. Journal of Economic Entomology 98(1):95-102.SEASONAL ABUDANCE OF RICE ROOT APHID IN WHEAT AND ITS EFFECTS ON FORAGE AND GRAIN YIELDS

- (Peer Reviewed Journal)Kindler, D., Hesler, L.S., Elliott, N.C., Royer, T.A., Giles, K.L. 2004. Seasonal abudance of rice root aphid in wheat and its effects on forage and grain yields. Southwestern Entomologist. 29(4):245-252.A WEB-BASED DECISION SUPPORT SYSTEM FOR MANAGING GREENBUGS IN WHEAT

- (Peer Reviewed Journal)Elliott, N.C., Royer, T.A., Giles, K.L., Kindler, D., Porter, D.R., Elliott, D.T., Waits, D.A. 2004. A web-based decision support system for managing greenbugs in wheat. Crop Management. doi:10.1094/CM-2004-09XX-01-MG. Available: http://www.cropmanagement.org.REMOTE SENSING TO DETECT PLANT STRESS, WITH PARTICULAR REFERENCE TO STRESS CAUSED BY THE GREENBUG: A REVIEW

- (Review Article)Yang, Z., Rao, M.N., Kindler, D., Elliott, N.C. 2004. Remote sensing to detect plant stress, with particular reference to stress caused by the greenbug: A Review. Southwestern Entomologist. 29(3):227-236.CEREAL AND GRASS HOSTS OF THE RICE ROOT APHID, RHOPALOSIPHUM RUFIABDOMINALIS (SASAKI), AND A DESCRIPTION OF AN EFFICIENT GREENHOUSE REARING TECHNIQUE

- (Peer Reviewed Journal)Kindler, D., Helser, L.S., Elliott, N.C., Shufran, K.A., Springer, T.L. 2004. Cereal and grass hosts of the rice root aphid, Rhopalosiphum rufiabdominalis (Sasaki), and a description of an efficient greenhouse rearing technique. Journal of Agricultural and Urban Entomology. 21(1)51-59.GENETIC SIMILARITIES AMONG GEOGRAPHIC ISOLATES OF LYSIPHLEBUS TESTACEIPES (HYMENOPTERA: APHIDIIDAE) DIFFERING IN COLD TEMPERATURE TOLERANCES

- (Peer Reviewed Journal)Shufran, K.A., Weathersbee  III, A.A., Jones, D.B., Elliott, N.C. 2004. Genetic similarities among geographic isolates of Lysiphlebus testaceipes (Hymenoptera: Aphidiidae) differing in cold temperature tolerances. Environmental Entomology. 33(3):776-778.BIOLOGICAL CONTROL OF CEREAL APHIDS IN NORTH AMERICA AND MEDIATING EFFECTS OF HOST PLANT AND HABITAT MANIPULATIONS

- (Review Article)Brewer, M.J., Elliott, N.C. 2004. Biological control of cereal aphids in North America and mediating effects of host plant and habitat manipulations. Annual Review of Entomology. 49:219-242.FIXED PRECISION SEQUENTIAL SAMPLING PLANS FOR THE GREENBUG AND BIRD CHERRY-OAT APHID (HOMOPTERA: APHIDIDAE) IN WINTER WHEAT

- (Peer Reviewed Journal)Elliott, N.C., Giles, K.L., Royer, T.A., Kindler, D., Tao, F.L., Jones, D.B., Cuperus, G.W. 2003. Fixed presicion seqential sampling plans for the greenbugs and bird cherry-oat aphid (Homoptera: Aphididae) in winter wheat. Journal of Economic Entomology. 96:1585-1593.ECONOMIC INJURY LEVEL FOR THE GREENBUG, SCHIZAPHIS GRAMINUM, IN OKLAHOMA WINTER WHEAT

- (Peer Reviewed Journal)Kindler, D., Elliott, N.C., Giles, K.L., Royer, T.R. 2003. Economic injury level for the greenbug, schizaphis graminum, in Oklahoma winter wheat. Southwestern Entomologist. 28(3):163-166.FUNCTIONAL RESPONSES OF AN INTRODUCED PARASITOID AND AN INDIGENOUS PARASITOID ON GREENBUG AT FOUR TEMPERATURES

- (Peer Reviewed Journal)JONES, D.B., GILES, K.L., BERBERET, R.C., ROYER, T.A., ELLIOTT, N.C., PAYTON, M.E. FUNCTIONAL RESPONSES OF AN INTRODUCED PARASITOID AND AN INDIGENOUS PARASITOID ON GREENBUG AT FOUR TEMPERATURES. ENVIRONMENTAL ENTOMOLOGY. 2003. V. 32. P. 425-432.THE NEGATIVE BINOMIAL DISTRIBUTION AS A MODEL FOR DESCRIBING COUNTS OF GREENBUGS, SCHIZAPHIS GRAMINUM, ON WHEAT

- (Peer Reviewed Journal)ELLIOTT, N.C., GILES, K.L., ROYER, T.A., KINDLER, D., JONES, D.B., TAO, F.L. THE NEGATIVE BINOMIAL DISTRIBUTION AS A MODEL FOR DESCRIBING COUNTS OF GREENBUGS, SCHIZAPHIS GRAMINUM, ON WHEAT. SOUTHWESTERN ENTOMOLOGIST. 2003. v.23(2): p. 131-136.DEVELOPMENT OF A SAMPLING PLAN IN WINTER WHEAT THAT ESTIMATES CEREAL APHID PARASITISM LEVELS AND PREDICTS POPULATION SUPPRESSION

- (Peer Reviewed Journal)GILES, K.L., JONES, D.B., ROYER, T.A., ELLIOTT, N.C., KINDLER, D. DEVELOPMENT OF A SAMPLING PLAN IN WINTER WHEAT THAT ESTIMATES CEREAL APHID PARASITISM LEVELS AND PREDICTS POPULATION SUPPRESSION. JOURNAL OF ECONOMIC ENTOMOLOGY. 2003. v. 96(3): p. 975-982.OKLAHOMA

- (Other)Baker, C.A., Burd, J.D., Elliott, N.C., Kindler, D., Mornhinweg, D.W., Porter, D.R., Shufran, K.A. 2003. Oklahoma. Plant Resistance to Insects Newsletter. 27:3 p.  Available:  www.oznet.ksu.edu/ipri/newsletters/ipri_2003.htm#baker.THE CEREAL APHID EXPERT SYSTEM AND GLANCE N' GO SAMPLING FOR GREENBUGS: QUESTIONS AND ANSWERS

- (Popular Publication)ROYER, T.A., GILES, K.L., ELLIOTT, N.C., KINDLER, D. THE CEREAL APHID EXPERT SYSTEM AND GLANCE N' GO SAMPLING FOR GREENBUGS: QUESTIONS AND ANSWERS. 2002. OKLAHOMA COOPERATIVE EXTENSION SERVICE. EXTENSION FACT SHEETS. CR-7191.DIVERGENCE OF THREE POPULATIONS OF LYSIPHLEBUS TESTACEIPES (HYMENOPTERA: APHIDIIDAE) DIFFERING IN COLD TEMPERATURE TOLERANCE

- (Abstract Only)Shufran, K.A., Jones, D.B., Weathersbee  III, A.A., Elliott, N.C., Chen, Y., Pike, K.S. 2002. Divergence of three populations of Lysiphlebus testaceipes (Hymenoptera: Aphidiidae) differing in cold temperature tolerance. Society for the Study of Evolution.GLANCE N' GO SAMPLING FOR GREENBUGS IN WINTER WHEAT: FALL EDITION

- (Popular Publication)ROYER, T.A., GILES, K.L., ELLIOTT, N.C. GLANCE N' GO SAMPLING FOR GREENBUGS IN WINTER WHEAT: FALL EDITION. 2002. OKLAHOMA COOPERATIVE EXTENSION SERVICE. EXTENSION FACT SHEETS. L-307.GLANCE N' GO SAMPLING FOR GREENBUGS IN WINTER WHEAT: SPRING EDITION

- (Popular Publication)ROYER, T.A., GILES, K.L., ELLIOTT, N.C. GLANCE N' GO SAMPLING FOR GREENBUGS IN WINTER WHEAT: SPRING EDITION. 2002. OKLAHOMA COOPERATIVE EXTENSION SERVICE, EXTENSION FACT SHEETS. L-306.EFFECT OF APHIDS AND THE SURROUNDING LANDSCAPE ON ABUNDANCE OF COCCINELLIDAE IN CORNFIELDS

- (Peer Reviewed Journal)ELLIOTT, N.C., KIECKHEFER, R.W., BECK, D.A. EFFECT OF APHIDS AND THE SURROUNDING LANDSCAPE ON ABUNDANCE OF COCCINELLIDAE IN CORNFIELDS. 2002. BIOLOGICAL CONTROL. V. 24: P. 214-220.PREDATOR ABUNDANCE IN ALFALFA FIELDS IN RELATION TO APHIDS, WITHIN-FIELD VEGETATION, AND LANDSCAPE MATRIX

- (Peer Reviewed Journal)ELLIOTT, N.C., KIECKHEFER, R.W., MICHELS, G.J., GILES, K.L. PREDATOR ABUNDANCE IN ALFALFA FIELDS IN RELATION TO APHIDS, WITHIN-FIELD VEGETATION, AND LANDSCAPE MATRIX. 2002. ENVIRONMENTAL ENTOMOLOGY. V. 31(2). P. 253-260.ASSESSMENT OF GREENBUG-RESISTANT WHEAT GERMPLASM ON LYSIPHLEBUS TESTACEIPES CRESSON (HYMENOPTERA: APHIDIDAE) OVIPOSITION AND DEVELOPMENT IN GREENBUG OVER TWO GENERATIONS

- (Peer Reviewed Journal)FUENTES-GRANADOS, R.G., GILES, K.L., ELLIOTT, N.C., PORTER, D.R. ASSESSMENT OF GREENBUG-RESISTANT WHEAT GERMPLASM ON LYSIPHLEBUS TESTACEIPES CRESSON (HYMENOPTERA: APHIDIDAE) OVIPOSITION AND DEVELOPMENT IN GREENBUG OVER TWO GENERATIONS. SOUTHWESTERN ENTOMOLOGIST. 2001. V. 26(3). P. 187-194.EFFECT OF GREENBUGS ON WINTER WHEAT YIELD

- (Peer Reviewed Journal)KINDLER, D., ELLIOTT, N.C., GILES, K.L., ROYER, T.A., FUENTES-GRANADOS, R., TAO, F. EFFECT OF GREENBUGS ON WINTER WHEAT YIELD. 2002. JOURNAL OF ECONOMIC ENTOMOLOGY. V. 95. P. 89-95.CONSIDERATIONS IN USING COCCINELLIDS FOR BIOLOGICAL CONTROL OF APHIDS

- (Proceedings)Elliott, N.C., Obrycki, J.J., Giles, K.L. 2001. Considerations in using coccinellids for biological control of aphids. Proceedings of the International Organization of Biocontrol, August 2-5, 2001, Bozeman, Montana. p. 13.DEVELOPMENTAL RESPONSE OF THREE GEOGRAPHIC ISOLATES OF LYSIPHLEBUS TESTACEIPES (HYMENOPTERA: APHIDIDAE) TO TEMPERATURE

- (Peer Reviewed Journal)ROYER, T.A., GILES, K.L., KINDLER, D., ELLIOTT, N.C. DEVELOPMENTAL RESPONSE OF THREE GEOGRAPHIC ISOLATES OF LYSIPHLEBUS TESTACEIPES (HYMENOPTERA: APHIDIDAE) TO TEMPERATURE. ENVIRONMENTAL ENTOMOLOGY. 2001. V. 30(4). P. 637-641.IMPACT OF INDIGENOUS COCCINELLIDS ON RUSSIAN WHEAT APHIDS AND GREENBUGS(HOMOPTERA: APHIDIDAE) INFESTING WINTER WHEAT IN THE TEXAS PANHANDLE

- (Peer Reviewed Journal)MICHELS, G.J., ELLIOTT, N.C., ROMERO, R.A., FRITTS, D.A., BIBLE, J.B. IMPACT OF INDIGENOUS COCCINELLIDS ON RUSSIAN WHEAT APHIDS AND GREENBUGS (HOMOPTERA: APHIDIDAE) INFESTING WINTER WHEAT IN THE TEXAS PANHANDLE. SOUTHWESTERN ENTOMOLOGIST. 2001. V. 26(2). P. 97-114.SUITABILITY OF CEREALS AND FORAGE GRASSES AS HOSTS FOR THE RICE ROOT APHID

- (Abstract Only)Kindler, D., Hesler, L.S., Shufran, K.A., Elliott, N.C. 2001. Suitability of cereals and forage grasses as hosts for the rice root aphid. In: Proceedings of the Entomological Society of America Annual Meeting  North Central Branch, March 25-28, 2001, Ft. Collins, Colorado. p. 25.SEASONAL OCCURRENCE OF APHIDS AND NATURAL ENEMIES IN WHEAT AND ASSOCIATED  CROPS

- (Peer Reviewed Journal)RECOVERY OF IMPORTED HYMENOPTEROUS PARASITOIDS RELEASED TO CONTROL         RUSSIAN WHEAT APHIDS IN COLORADO

- (Peer Reviewed Journal)EFFECTS OF RIPARIAN AND GRASSLAND HABITATS ON GROUND BEETLE (COLEOPTERA:   CARABIDAE) ASSEMBLAGES IN ADJACENT WHEAT FIELDS

- (Peer Reviewed Journal)BINOMIAL SEQUENTIAL SAMPLING OF RHOPALOSIPHUM PADI IN WINTER WHEAT IN THE  SOUTHERN PLAINS

- (Peer Reviewed Journal)DEVELOPMENT AND VALIDATION OF A BINOMIAL SEQUENTIAL SAMPLING PLAN FOR THE GREENBUG (HOMOPTERA: APHIDIDAE) INFESTING WINTER WHEAT IN THE SOUTHERN PLAINS

- (Peer Reviewed Journal)RUSSIAN WHEAT APHID RESEARCH

- (Other)Baker, C.A., Burd, J.D., Elliott, N.C., Greenstone, M.H., Kindler, D., Mornhinweg, D.W., Porter, D.R., Shufran, K.A., Webster, J.A. 2000. Russian wheat aphid research. Western Regional Research Project Annual Report. 2000 Joint Meeting WCC-66 and IPRI. p. 37-42.RESPONSE BY COCCINELLIDS TO SPATIAL VARIATION IN CEREAL APHID              DENSITY                                                                    (REVISE TITLE, JOURNAL NAME, AND ADD ACC DATE)

- (Peer Reviewed Journal)GREENBUG IPM RESEARCH

- (Experiment Station)SPECIFIC RIBOSOMAL DNA MARKER FOR EARLY POLYMERASE CHAIN REACTION DETECTIONOF APHELINUS HORDEI (HYMENOPTERA: APHELINIDAE) AND APHIDIUS COLEMANI       (HYMENOPTERA: APHIDIIDAE) FROM DIURAPHIS NOXIA (HOMOPTERA: APHIDIDAE)

- (Peer Reviewed Journal)COCCINELLID INTRODUCTIONS: POTENTIAL FOR AND EVALUATION OF NON-TARGET      EFFECTS

- (Book / Chapter)ADULT COCCINELLID ACTIVITY AND PREDATION ON APHIDS IN SPRING CEREALS

- (Peer Reviewed Journal)A REGIONAL POPULATION DYNAMICS MODEL FOR THE RUSSIAN WHEAT APHID                                                                                      (REVISE RECORD--ADD ACCEPT DATE, REVISE TITLE)

- (Abstract Only)RUSSIAN WHEAT APHID RESERACH 1998 WCC-66 REPORT

- (Other)SPATIAL AND TEMPORAL DISTRIBUTION OF GROUND BEETLE (COLEOPTERA: CARABIDAE) ASSEMBLAGES IN RIPARIAN STRIPS AND ADJACENT WHEAT FIELDS

- (Peer Reviewed Journal)OKLAHOMA

- (Other)TEMPERATURE EFFECTS ON DEVELOPMENT IN APHELINUS ALBIPODUS (HYMENOPTERA:    APHELINIDAE) FROM TWO GEOGRAPHIC REGIONS                                   (REVISE TITLE AND JOURNAL)

- (Peer Reviewed Journal)DEVELOPMENTAL RESPONSE OF LYSIPHLEBUS TESTACEIPES TO TEMPERATURE

- (Peer Reviewed Journal)PARASITISM OF SEVERAL APHID SPECIES BY APHELINUS ASYCHIS (WALKER) AND      APHELINUS ALBIPODUS HAYAT AND FATIMA

- (Peer Reviewed Journal)PLANT SCIENCE RESEARCH LABORATORY

- (Popular Publication)INFLUENCE OF WITHIN-FIELD AND LANDSCAPE FACTORS ON APHID PREDATOR          POPULATIONS IN WHEAT                                                       (REVISE RECORD--ADD ACCEPT DATE, REVISE TITLE)

- (Peer Reviewed Journal)TEMPORAL AND SPATIAL DISTRIBUTION OF GROUND BEETLE (COLEOPTERA: CARABIDAE) ASSEMBLAGES IN GRASSLANDS AND ADJACENT WHEAT FIELDS

- (Peer Reviewed Journal)REVERTING CONSERVATION RESERVE PROGRAM LANDS TO WHEAT AND LIVESTOCK        PRODUCTION: EFFECTS ON GROUND BEETLE (COLEOPTERA: CARABIDAE) ASSEMBLAGES   (REVISE TITLE TO AS PUBLISHED)

- (Peer Reviewed Journal)SMALL GRAIN APHIDS IN OKLAHOMA

- (Experiment Station)A COMPARISON OF SIZE, SEX RATIO, AND DISPERSAL IN THREE COCCINELLIDS

- (Peer Reviewed Journal)INSECTS AND MITES ON SMALL GRAINS

- (Experiment Station)COMPARISON OF DEVELOPMENTAL RESPONSES TO TEMPERATURE IN APHELINUS ASYCHIS  (WALKER) FROM TWO DIFFERENT GEOGRAPHIC REGIONS                             (MODIFY TO ADD ACCDT, REVISE TITLE AND JOURNAL)

- (Peer Reviewed Journal)PLANT SCIENCE RESEARCH LABORATORY, USDA-ARS

- (Other)RUSSIAN WHEAT APHID ECOLOGY AND MODELING IN GREAT PLAINS AGRICULTURAL      LANDSCAPES

- (Peer Reviewed Journal)SEASONAL DEVELOPMENT, OVERWINTERING BIOLOGY, AND HOST PLANT INTERACTIONS OFRUSSIAN WHEAT APHID (HOMOPTERA: APHIDIDAE) IN NORTH AMERICA                (REVISED TO SHOW PUBLISHED TITLE)

- (Peer Reviewed Journal)SEQUENTIAL SAMPLING FOR ADULT COCCINELLIDS IN WHEAT                        (CHANGED TITLED AND ADD ACCEPT. DATE)

- (Peer Reviewed Journal)ECOLOGY OF THE RUSSIAN WHEAT APHID AT LANDSCAPE AND REGIONAL SCALES

- (Abstract Only)EFFECTS ON GROUND BEETLE (COLEOPTERA: CARABIDAE) ASSEMBLAGES OF CONVERSION FROM CRP LANDS TO WHEAT PRODUCTION

- (Abstract Only)ESTIMATING APHIDOPHAGOUS COCCINELLID POPULATIONS IN ALFALFA                                                                                           (REVISED 7/31/96 TO CORRECT AUTHORS LISTING)

- (Peer Reviewed Journal)SAMPLING APHIDOPHAGOUS COCCINELLIDAE IN GRAIN SORGHUM                      (REVISE AUTHOR LISTING; ADD ACCEPT DATE)

- (Peer Reviewed Journal)ESTIMATING POPULATIONS OF APHIDOPHAGOUS COCCINELLIDAE (COLEOPTERA) IN      WINTER WHEAT                                                               (CHANGE TITLE, ADD AUTHORS, ADD ACCEPT DATE)

- (Peer Reviewed Journal)OKLAHOMA                                                                   (ADD ACCEPT. DATE)

- (Other)OKLAHOMA                                                                   (ADD ACCEPT. DATE)

- (Other)EFFECTS OF THE APHICIDES 'GAUCHO' AND CGA-215944 ON FEEDING BEHAVIOR AND   TRITROPHIC INTERACTIONS OF RUSSIAN WHEAT APHID.                            (CHANGE TITLE AND ACCEPT. DATE)

- (Peer Reviewed Journal)PERMEABILITY OF GRASSLAND-WHEAT FIELD BORDERS TO GROUND BEETLES (CARABIDAE)

- (Abstract Only)THE INFLUENCE OF WITHIN PATCH AND LANDSCAPE FACTORS ON APHIDOPHAGOUS INSECTCOMMUNITIES IN WHEAT

- (Proceedings)BOUNDARY PERMEABILITY OF ADJACENT GRASSLANDS AND WHEAT FIELDS TO CARABID   BEETLES (COLEOPTERA)

- (Abstract Only)TEMPERATURE EFFECTS ON DEVELOPMENT OF THREE CEREAL APHID PARASITOIDS       (HYMENOPTERA: APHIDIIDAE)

- (Peer Reviewed Journal)THE EFFECT OF RUSSIAN WHEAT APHID FEEDING ON CHLOROPHYLL A FLUORESCENCE    INDUCTION KINETICS OF RESISTANT AND SUSCEPTIBLE CEREALS                    (ADDING ACCEPTANCE DATE)

- (Proceedings)OLFACTORY RESPONSES OF THE PARASITOID DIAERETIELLA RAPAE (HYMENOPTERA:     APHIDIIDAE) TO ODOR OF PLANTS, APHIDS, AND PLANT-APHID COMPLEXES           MODIFIED TO SHOW TITLE AS PUBLISHED, ADD ACCEPT DATE

- (Peer Reviewed Journal)A GENERAL METHOD FOR ESTIMATING CEREAL APHID POPULATIONS IN SMALL GRAIN    FIELDS BASED ON FREQUENCY OF OCCURRENCE                                    (CORRECTING TITLE AND ADDING ACCEPTANCE DATE)

- (Peer Reviewed Journal)


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