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                    U.S. DEPARTMENT OF AGRICULTURE
 Crop Diseases, Pests and Genetics Research: Parlier, CA
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ARS Home Pacific West Area Parlier, California San Joaquin Valley Agricultural Sciences Center Crop Diseases, Pests and Genetics Research People & Locations







Elaine A Backus

                                                                (PhD)
                        Crop Diseases, Pests and Genetics Research

                        




                        
                        Research Entomologist
                        Phone: (559) 596-2925
                        
                        
                        Fax: (559) 596-2941(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsDevelopment of Applied Management Systems for Diseases of Perennial Crops with Emphasis on Vector-Borne Pathogens of Grapevine and Citrus
                                                    In-House Appropriated
                                                                    (D)Accession Number: 441572Identifying Vulnerabilities in Vector-host-pathogen Interactions of Grapevine and Citrus Pathosystems to Advance Sustainable Management Strategies
                                                    In-House Appropriated
                                                                    (D)Accession Number: 442038Updating and Enhancing Statistical Analysis Software for EPG of Arthropod Feeding
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 443898AI/Machine-Learning Software for Measurement of EPG Waveforms from Mosquito Feeding
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 444714Effects of Arbovirus Infection on Insect Feeding Behavior
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 438169**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)AC-DC Electropenetrography to study effects of chemical compounds on details of arthropod vector feeding behaviors

- (Abstract Only)Backus, E.A., Cooper, A., Pickens, V., Reif, K. 2023. AC-DC Electropenetrography to study effects of chemical compounds on details of arthropod vector feeding behaviors. Meeting Abstract.Investigation of an expanded, lumped-element model of electropenetrography (EPG) and the accuracy of the traditional R and emf model
                                                        

- (Peer Reviewed Journal)Backus, E.A., Patterson, W.C. 2023. Investigation of an expanded, lumped-element model of electropenetrography (EPG) and the accuracy of the traditional R and emf model. Computers and Electronics in Agriculture. 208. Article 107771. https://doi.org/10.1016/j.compag.2023.107771.Xylella fastidiosa inoculation behaviors (EPG X wave) are performed differently by blue-green sharpshooters based on infection status of prior probing host
                                                        

- (Peer Reviewed Journal)Roddee, J., Backus, E.A., Cervantes, F.A., Hanboonsong, Y. 2023. Xylella fastidiosa inoculation behaviors (EPG X wave) are performed differently by blue-green sharpshooters based on infection status of prior probing host. Journal of Economic Entomology. 116(3):697-712. https://doi.org/10.1093/jee/toad043.Fluid dynamic simulations at the interface of the blue-green sharpshooter functional foregut and grapevine xylem sap with implications for transmission of Xylella fastidiosa
                                                        

- (Peer Reviewed Journal)Marcus, I.M., White, D., Backus, E.A., Walker, S.L., Roper, M. 2022. Fluid dynamic simulations at the interface of the blue-green sharpshooter functional foregut and grapevine xylem sap with implications for transmission of Xylella fastidiosa. PLoS ONE. 17(3). Article e0265762. https://doi.org/10.1371/journal.pone.0265762.Field-collected glassy-winged sharpshooters (Hemiptera: Cicadellidae) perform more Xylella fastidiosa-inoculating behaviors on susceptible Vitis vinifera cv. ‘Chardonnay’ than on resistant Vitis champinii grapevines
                                                        

- (Peer Reviewed Journal)Backus, E.A., Shugart, H.J., Gutierrez, J., Ebert, T., Walker, M. 2021. Field-collected glassy-winged sharpshooters (Hemiptera: Cicadellidae) perform more Xylella fastidiosa-inoculating behaviors on susceptible Vitis vinifera cv. ‘Chardonnay’ than on resistant Vitis champinii grapevines. Journal of Economic Entomology. 114(5):1991-2008. https://doi.org/10.1093/jee/toab141.Alteration in the stylet probing behavior and host preference of the vector Matsumuratettix hiroglyphicus (Hemiptera:Cicadellidae) after infection with Sugarcane White Leaf Phytoplasma
                                                        

- (Peer Reviewed Journal)Roddee, J., Backus, E.A., Wangkaree, J., Hangoonsong, Y. 2021. Alteration in the stylet probing behavior and host preference of the vector Matsumuratettix hiroglyphicus (Hemiptera:Cicadellidae) after infection with Sugarcane White Leaf Phytoplasma. Journal of Economic Entomology. 114(3):1081-1090. https://doi.org/10.1093/jee/toab059.AC-DC electropenetrography unmasks fine temporal details of feeding behaviors for two tick species on unsedated hosts
                                                        

- (Peer Reviewed Journal)Reif, K.E., Backus, E.A. 2021. AC-DC electropenetrography unmasks fine temporal details of feeding behaviors for two tick species on unsedated hosts. Nature Scientific Reports. 11:2040. https://doi.org/10.1038/s41598-020-80257-6.Functional foregut anatomy of the blue–green sharpshooter illustrated using a 3D model
                                                        

- (Peer Reviewed Journal)White, D., Backus, E.A., Marcus, I.M., Walker, S.L., Roper, M. 2021. Functional foregut anatomy of the blue–green sharpshooter illustrated using a 3D model. Scientific Reports. 11. Article 6536. https://doi.org/10.1038/s41598-021-85954-4.Waveforms from AC-DC electropenetrography of the Lone Star tick, Amblyomma americanum, feeding on calf

- (Abstract Only)Backus, E.A., Reif, K.E. 2021. Waveforms from AC-DC electropenetrography of the Lone Star tick, Amblyomma americanum, feeding on calf. Entomological Society of America Annual Meeting. Available: https://www.eventscribe.com/2020/entomology2020/searchGlobal.asp?mode=posters&SearchQuery=Backus.Foreword
                                                        

- (Book / Chapter)Backus, E. A. Foreword. In: Panizzi, A., T. Lucini and P.L. Mitchell. Electronic Monitoring of the Feeding Behavior of Phytophagous True Bugs (Heteroptera). Vol. 6 in series Entomology in Focus. Springer Publ., Switzerland. Available: https://doi.org/10.1007/978-3-030-64674-5.AC-DC electropenetrography: fundamentals, controversies, and perspectives for pest management
                                                        

- (Review Article)Backus, E.A., Guedes, R.N., Reif, K.E. 2021. AC-DC electropenetrography: fundamentals, controversies, and perspectives for pest management. Pest Management Science. 77(3):1132-1149. https://doi.org/10.1002/ps.6087.3D Illustrated Anatomy of the Functional Foregut of Blue-green Sharpshooter, Vector of Xylella fastidiosa

- (Abstract Only)White Daniel, Backus, E.A., Marcus, I.M., Walker, S.L., Roper, M. 2020. 3D Illustrated Anatomy of the Functional Foregut of Blue-green Sharpshooter, Vector of Xylella fastidiosa. Entomological Society of America Annual Meeting. Available: https://www.eventscribe.com/2020/entomology2020/searchGlobal.asp?mode=presentations&SearchQuery=Backus.Do sharpshooters from around the world produce the same EPG waveforms? Comparison of waveform libraries from Xylella fastidiosa vectors Kolla paulula from Taiwan and Graphocephala atropunctata from California
                                                        

- (Peer Reviewed Journal)Backus, E.A., Shih, H. 2020. Do sharpshooters from around the world produce the same EPG waveforms? Comparison of waveform libraries from Xylella fastidiosa vectors Kolla paulula from Taiwan and Graphocephala atropunctata from California. Journal of Insect Science. 20(4). Article 7. https://doi.org/10.1093/jisesa/ieaa056.Review of the EPG waveforms of sharpshooters and spittlebugs including their biological meanings in relation to transmission of Xylella fastidiosa (Xanthomonadales: Xanthomonadaceae)
                                                        

- (Review Article)Backus, E.A., Shih, H. 2020. Review of the EPG waveforms of sharpshooters and spittlebugs including their biological meanings in relation to transmission of Xylella fastidiosa (Xanthomonadales: Xanthomonadaceae). Journal of Insect Science. 20(4):6;1-14. https://doi.org/10.1093/jisesa/ieaa055.Sharpshooter feeding behaviors controlling Xylella fastidiosa inoculation are represented by the EPG X Wave

- (Abstract Only)Backus, E.A., Cervantes, F.A., Van De Veire, J.A., Burbank, L.P., Perring, T. 2020. Sharpshooter feeding behaviors controlling Xylella fastidiosa inoculation are represented by the EPG X Wave. Entomological Society of America Annual Meeting. Available: https://esa.confex.com/esa/2020intl/meetingapp.cgi/Search/0?sort=Relevance&size=10&page=1&searchterm=BackusQuantifying Lygus lineolaris stylet probing behavior and associated 
damage to cotton leaf terminals
                                                        

- (Peer Reviewed Journal)Tuelher, E.S., Backus, E.A., Cervantes, F.A., Oliveira, E. 2020. Quantifying Lygus lineolaris stylet probing behavior and associated damage to cotton leaf terminals. Journal of Pest Science. 93:663-677. https://doi.org/10.1007/s10340-019-01184-8.Targeted mutations in Xylella fastidiosa affect acquisition and retention by the glassy-winged sharpshooter, Homalodisca vitripennis
                                                        

- (Peer Reviewed Journal)Sengoda-Gounder, V., Shi, X., Krugner, R., Backus, E.A., Lin, H. 2020. Targeted mutations in Xylella fastidiosa affect acquisition and retention by the glassy-winged sharpshooter, Homalodisca vitripennis. Journal of Economic Entomology. 113(2):612-621. https://doi.org/10.1093/jee/toz352.Waveforms from stylet probing of the mosquito Aedes aegypti 
(Diptera: Culicidae) measured by AC-DC electropenetrography
                                                        

- (Peer Reviewed Journal)Wayadande, A.C., Backus, E.A., Noden, B.L., Ebert, T. 2019. Waveforms from stylet probing of the mosquito Aedes aegypti (Diptera: Culicidae) measured by AC-DC electropenetrography. Journal of Medical Entomology. 57(2):353-368. https://doi.org/10.1093/jme/tjz188.Characterization of electropenetrography waveforms for the invasive heteropteran pest, Halyomorpha halys, on Vicia faba leaves
                                                        

- (Peer Reviewed Journal)Serteyn, L., Ponnet, L., Backus, E.A., Francis, F. 2019. Characterization of electropenetrography waveforms for the invasive heteropteran pest, Halyomorpha halys, on Vicia faba leaves. Arthropod-Plant Interactions. 14:113-126. https://doi.org/10.1007/s11829-019-09722-y.Electropenetrography of spotted wing drosophila (Drosophila suzukii) on pesticide-treated strawberry
                                                        

- (Peer Reviewed Journal)Guedes, R.N., Cervantes, F.A., Backus, E.A., Walse, S.S. 2019. Electropenetrography of spotted wing drosophila (Drosophila suzukii) on pesticide-treated strawberry. Journal of Pest Science. https://doi.org/10.1007/s10340-019-01124-6.Sharpshooters: a review of what moves Xylella fastidiosa
                                                        

- (Review Article)Krugner, R., Sisterson, M.S., Backus, E.A., Burbank, L.P., Redak, R. 2019. Sharpshooters: a review of what moves Xylella fastidiosa. Austral Entomology. https://doi.org/10.1111/aen.12397.Quantitative differences in feeding behavior of 3rd instar nymphal Lygus lineolaris (Hemiptera: Miridae) occur on transgenic Bt cotton compared with non-Bt cotton
                                                        

- (Peer Reviewed Journal)Cervantes, F.A., Backus, E.A., Godfrey, L., Akbar, W., Clark, T., Rojas, M.G. 2019. Quantitative differences in feeding behavior of 3rd instar nymphal Lygus lineolaris (Hemiptera: Miridae) occur on transgenic Bt cotton compared with non-Bt cotton. Journal of Economic Entomology. 112(4):1920-1925. https://doi.org/10.1093/jee/toz054.AC-DC electropenetrography (EPG) for in-depth studies of feeding and oviposition behaviors
                                                        

- (Review Article)Backus, E.A., Cervantes, F.A., Guedes, R.N., Li, A.Y., Wayadande, A.C. 2019. AC-DC electropenetrography (EPG) for in-depth studies of feeding and oviposition behaviors. Annals of the Entomological Society of America. 112(3):236-248. https://doi.org/10.1093/aesa/saz009.Substrate-mediated feeding and egg-laying by spotted wing drosophila: waveform recognition and quantification via electropenetrography
                                                        

- (Peer Reviewed Journal)Guedes, R.C., Cervantes, F.A., Backus, E.A., Walse, S.S. 2018. Substrate-mediated feeding and egg-laying by spotted wing drosophila: waveform recognition and quantification via electropenetrography. Journal of Pest Science. 92(2):495-507. https://doi.org/10.1007/s10340-018-1065-y.Sharpshooter electropenetrography X wave represents the Xf inoculation behaviors:  Update on evidence from systemic, symptomatic Pierce’s disease infection induced after X waves

- (Proceedings)Backus, E.A., Cervantes, F.A., Van De Veire, J.A., Burbank, L.P., Perring, T. 2018. Sharpshooter electropenetrography X wave represents the Xf inoculation behaviors:  Update on evidence from systemic, symptomatic Pierce’s disease infection induced after X waves. CDFA Pierce's Disease Control Program Research Symposium. available: https://www.cdfa.ca.gov/pdcp/Documents/Proceedings/2018ResearchProgressRpts.pdf..Assessment of transmission, adaptation, and competition of mutant strains of Xylella fastidiosa by glassy-winged sharpshooter (Homalodisca vitripennis)

- (Abstract Only)Lin, H., Sengoda-Gounder, V., Shi, X., Krugner, R., Backus, E.A. 2018. Assessment of transmission, adaptation, and competition of mutant strains of Xylella fastidiosa by glassy-winged sharpshooter (Homalodisca vitripennis). CDFA Pierce's Disease Control Program Research Symposium. p. 138.Preliminary findings support that vector feeding behaviors controlling inoculation of Xylella fastidiosa are performed less on three backcross siblings of PdR1 parents than on Chardonnay

- (Abstract Only)Backus, E.A., Ledbetter, C.A. 2018. Preliminary findings support that vector feeding behaviors controlling inoculation of Xylella fastidiosa are performed less on three backcross siblings of PdR1 parents than on Chardonnay. CDFA Pierce's Disease Control Program Research Symposium. p. 167.EPG waveform library for Graphocephala atropunctata (Hemiptera: Cicadellidae): Effect of adhesive, input resistor, and voltage levels on waveform appearance and probing behaviors
                                                        

- (Peer Reviewed Journal)Cervantes, F.A., Backus, E.A., Perring, T.M. 2018. EPG waveform library for Graphocephala atropunctata (Hemiptera: Cicadellidae): Effect of adhesive, input resistor, and voltage levels on waveform appearance and probing behaviors. Journal of Insect Physiology. 109:21-40. https://doi.org/10.1016/j.jinsphys.2018.05.008.Handling artificially terminated events in electropenetrography data
                                                        

- (Peer Reviewed Journal)Ebert, T., Backus, E.A., Rogers, M. 2018. Handling artificially terminated events in electropenetrography data. Journal of Economic Entomology. 111(4):1987-1990. https://doi.org/10.1093/jee/toy117.Behavioral plasticity in feeding by Diaphorina citri (Hemiptera, Liviidae): ingestion from phloem versus xylem is influenced by leaf age and surface

- (Peer Reviewed Journal)Ebert, T.A., Backus, E.A., Rogers, M. 2018. Behavioral plasticity in feeding by Diaphorina citri (Hemiptera, Liviidae): ingestion from phloem versus xylem is influenced by leaf age and surface. Journal of Insect Behavior. 31:119-137.Certain applied electrical signals during EPG cause negative effects on stylet probing behaviors by adult Lygus lineolaris (Hemiptera:  Miridae)

- (Peer Reviewed Journal)Backus, E.A., Cervantes, F.A., Godfrey, L., Akbar, W., Clark, T., Rojas, M.G. 2017. Certain applied electrical signals during EPG cause negative effects on stylet probing behaviors by adult Lygus lineolaris (Hemiptera: Miridae). Journal of Insect Physiology. 105:64-75.An EPG waveform library for sharpshooters and preliminary effects of applied voltage on behaviors controlling Xylella fastidiosa inoculation

- (Abstract Only)Backus, E.A., Cervantes, F.A., Walter, A.M. 2017. An EPG waveform library for sharpshooters and preliminary effects of applied voltage on behaviors controlling Xylella fastidiosa inoculation. CDFA Pierce's Disease Control Program Research Symposium. p. 170.Preliminary findings suggest that vector feeding behaviors controlling inoculation of Xylella fastidiosa are performed less on Vitis arizonica than on V. vinifera ‘Chardonnay’

- (Abstract Only)Backus, E.A., Cervantes, F.A., Walker, A.M. 2017. Preliminary findings suggest that vector feeding behaviors controlling inoculation of Xylella fastidiosa are performed less on Vitis arizonica than on V. vinifera ‘Chardonnay’. CDFA Pierce's Disease Control Program Research Symposium. p. 171.Association of the sharpshooter X wave with xylem inoculation of Xylella fastidiosa leading to systemic, symptomatic Pierce’s diesease infection in grape

- (Abstract Only)Backus, E.A., Shugart, H., Cervantes, F.A. 2017. Association of the sharpshooter X wave with xylem inoculation of Xylella fastidiosa leading to systemic, symptomatic Pierce’s diesease infection in grape. CDFA Pierce's Disease Control Program Research Symposium. p. 237.EPG waveforms of blue green sharpshooter: impedance and voltage level effects on stylet probing

- (Abstract Only)Cervantes, F.A., Backus, E.A. 2017. EPG waveforms of blue green sharpshooter: impedance and voltage level effects on stylet probing. Presented at Entomological Society of America Annual Meeting, Nov 5-8, 2017, Denver, CO.Correlation of EPG waveforms from Lygus lineolaris feeding on cotton squares and chemical evidence of inducible tannins

- (Peer Reviewed Journal)Cervantes, F.A., Backus, E.A., Godfrey, L., Wallis, C.M., Akbar, W., Clark, T., Rojas, M.G. 2017. Correlation of EPG waveforms from Lygus lineolaris feeding on cotton squares and chemical evidence of inducible tannins. Annals of the Entomological Society of America. 110:2068-2075.Scapoidus titanus performs a dual-meaning, sharpshooter-style EPG X wave in xylem and phloem: Could S. titanus be a potential vector of Xylella fastidiosa in European vineyards?

- (Abstract Only)Chuche, J., Sauvion, N., Backus, E.A., Thiery, D. 2017. Scapoidus titanus performs a dual-meaning, sharpshooter-style EPG X wave in xylem and phloem: Could S. titanus be a potential vector of Xylella fastidiosa in European vineyards?. 3rd Hemipteran-Plant Interactions Symposium Abstracts. p. 73.Acquisition of Xyllela fastidiosa causes changes to the inoculation behavior (EPG X wave) of an efficient sharpshooter vector

- (Abstract Only)Roddee, J., Backus, E.A., Cervantes, F.A., Hanboonsong, Y. 2017. Acquisition of Xyllela fastidiosa causes changes to the inoculation behavior (EPG X wave) of an efficient sharpshooter vector. 3rd Hemipteran-Plant Interactions Symposium Abstracts. p. 42.Overview of history, principles, and applications of electropenetrography (EPG) for feeding studies

- (Abstract Only)Backus, E.A. 2017. Overview of history, principles, and applications of electropenetrography (EPG) for feeding studies. Presented at the 2017 International Heteroptera Symposium, April 18-20, 2017, Seaside, CA.Understanding feeding behavior of Lygus spp. through electropenetrography

- (Abstract Only)Cervantes, F.A., Backus, E.A. 2017. Understanding feeding behavior of Lygus spp. through electropenetrography. Presented at the 2017 International Heteroptera Symposium, April 18-20, 2017, Seaside, CA.Quantifying Lygus lineolaris stylet probing behavior and its damage to cotton leaf terminals

- (Abstract Only)Tuelher, E., Cervantes, F.A., Backus, E.A. 2017. Quantifying Lygus lineolaris stylet probing behavior and its damage to cotton leaf terminals. Presented at International Heteroptera Symposium, April 18-20, 2017, in Seaside, CA.Toxicity of flonicamid to the cotton leafhopper, Amrasca biguttula (Ishida) is by disruption of ingestion, an EPG study

- (Peer Reviewed Journal)Tariq, K., Noor, M., Backus, E.A., Asad, A., Zhang, H. 2017. Toxicity of flonicamid to the cotton leafhopper, Amrasca biguttula (Ishida) is by disruption of ingestion, an EPG study. Pest Management Science. 73:1661-1669.First finding of a dual-meaning X wave for phloem and xylem fluid ingestion: characterization of Scaphoideus titanus (Hemiptera:  Cicadellidae) EPG waveforms

- (Peer Reviewed Journal)Chuche, J., Backus, E.A., Thiery, D., Sauvion, N. 2017. First finding of a dual-meaning X wave for phloem and xylem fluid ingestion: characterization of Scaphoideus titanus (Hemiptera:  Cicadellidae) EPG waveforms. Journal of Insect Physiology. 102:50-61.Capabilities of the new “Universal” AC-DC monitor for electropenetrography (EPG)

- (Abstract Only)Dowell, A., Backus, E.A., Cervantes, F.A., Redinbaugh, M.G. 2016. Capabilities of the new “Universal” AC-DC monitor for electropenetrography (EPG). International Congress of Entomology. Available: https://esa.confex.com/esa/ice2016/meetingapp.cgi/Paper/107676.Anatomical damage in cotton squares by nymphal Lygus lineolaris in relation to EPG-recorded feeding behavior

- (Abstract Only)Sharma, E., Cervantes, F.A., Backus, E.A., Bushoven, J. 2016. Anatomical damage in cotton squares by nymphal Lygus lineolaris in relation to EPG-recorded feeding behavior. International Congress of Entomology. Available: https://esa.confex.com/esa/ice2016/meetingapp.cgi/Paper/112172.Feeding behavior of the stink bug Bagrada hilaris is changed by the electrical signals applied during EPG recordings

- (Abstract Only)Tuelher, E., Lucini, T., Cervantes, F.A., Backus, E.A. 2016. Feeding behavior of the stink bug Bagrada hilaris is changed by the electrical signals applied during EPG recordings. International Congress of Entomology. Available: https://esa.confex.com/esa/ice2016/meetingapp.cgi/Paper/112192.How the borderless science of electropenetrography (EPG) can benefit animal-disease vector research:  overview of EPG history, principles, and applications

- (Abstract Only)Backus, E.A. 2016. How the borderless science of electropenetrography (EPG) can benefit animal-disease vector research:  overview of EPG history, principles, and applications. International Congress of Entomology. Available: https://esa.confex.com/esa/ice2016/meetingapp.cgi/Paper/92309.Characterization of an EPG waveform library for pre-reproductive adult Lygus lineolaris and L. hesperus feeding on cotton squares

- (Peer Reviewed Journal)Backus, E.A., Cervantes, F.A., Godfrey, L., Akbar, W. 2016. Characterization of an EPG waveform library for pre-reproductive adult Lygus lineolaris and L. hesperus feeding on cotton squares. Annals of the Entomological Society of America. 109:684-697.AC-DC electropenetrography: a new diagnostic technology for study of feeding behavior of piercing-sucking insects

- (Literature Review)Backus, E.A., Lin, P., Chang, C., Shih, H. 2016. AC-DC electropenetrography: a new diagnostic technology for study of feeding behavior of piercing-sucking insects. Formosan Entomologist. 65:219-237.Characterization of an EPG waveform library for redbanded stink bug, Piezodorus guildinii (Westwood) (Hemiptera: Pentatomidae), on soybean plants

- (Peer Reviewed Journal)Lucini, T., Panizzi, A.R., Backus, E.A. 2016. Characterization of an EPG waveform library for redbanded stink bug, Piezodorus guildinii (Westwood) (Hemiptera: Pentatomidae), on soybean plants. Annals of the Entomological Society of America. 109:198-210.History, principles, and summary of applications of electropenetrography (EPG)

- (Book / Chapter)Backus, E.A. 2016. History, principles, and summary of applications of electropenetrography (EPG). In: Yan F.M., Wang M.Q., editors. Electrical Penetration Graph and Applications. Zhengzhou, China: Henan Science & Technology Press. p. 2-24.Feeding behavior of soybean aphid (Hemiptera:  Aphididae) biotype 2 on soybean PI 243540, the source of Rag2 resistance
                                                        

- (Peer Reviewed Journal)Todd, J.C., Mian, R.M., Backus, E.A., Finer, J.J., Redinbaugh, M.G. 2015. Feeding behavior of soybean aphid (Hemiptera:  Aphididae) biotype 2 on soybean PI 243540, the source of Rag2 resistance. Journal of Economic Entomology. 109:426-433.Lipopolysaccharide modulates the vector-pathogen interface of the xylem-limited phytopathogen, Xylella fastidiosa, the causal agent of Pierce’s disease of grapevine

- (Peer Reviewed Journal)Rapicavoli, J.N., Kinsinger, N., Perring, T., Backus, E.A., Shugart, H., Johnston, C.M., Walker, S., Roper, C. 2015. Lipopolysaccharide modulates the vector-pathogen interface of the xylem-limited phytopathogen, Xylella fastidiosa, the causal agent of Pierce’s disease of grapevine. Applied and Environmental Microbiology. 81:8145-8154.A New SAS program for behavioral analysis of electrical penetration graph data

- (Peer Reviewed Journal)Ebert, T.A., Backus, E.A., Cid, M., Fereres, A., Rogers, M. 2015. A New SAS program for behavioral analysis of electrical penetration graph data. Computers and Electronics in Agriculture. 116:80-87. doi: 10.1016/j.compag.2015.06.011..Sharpshooters may be “flying syringes:” First direct evidence of mixed egestion and salivation in inoculation of Xylella fastidiosa

- (Abstract Only)Backus, E.A., Shugart, H.J., Rogers, E.E., Morgan, J.K., Shatters, R.G. 2015. Sharpshooters may be “flying syringes:” First direct evidence of mixed egestion and salivation in inoculation of Xylella fastidiosa. American Phytopathological Society Annual Meeting. 105:S4.10.Exploring glassy-winged sharpshooter microbiota using deep 16S rRNA sequencing from individual insects

- (Abstract Only)Rogers, E.E., Backus, E.A. 2014. Exploring glassy-winged sharpshooter microbiota using deep 16S rRNA sequencing from individual insects. CDFA Pierce's Disease Research Progress Reports. p. 8.Direct evidence of egestion and salivation of Xylella fastidiosa suggests sharpshooters can be “flying syringes”

- (Peer Reviewed Journal)Backus, E.A., Shugart, H.J., Rogers, E.E., Morgan, J.K., Shatters, R.G. 2015. Direct evidence of egestion and salivation of Xylella fastidiosa suggests sharpshooters can be “flying syringes”. Phytopathology. 105:608-620.A new paradigm for vector inoculation of Xylella fastidiosa: Direct evidence of egestion and salivation supports that sharpshooters can be “flying syringes”

- (Abstract Only)Backus, E.A., Shugart, H.J., Rogers, E.E., Morgan, J.K., Shatters, R.G. 2014. A new paradigm for vector inoculation of Xylella fastidiosa: Direct evidence of egestion and salivation supports that sharpshooters can be “flying syringes”. In: Proceedings of the 2014 Pierce's Disease Symposium. p. 7.Multiple, stochastic factors can determine acquisition success of the foregut-borne bacterium, Xylella fastidiosa, by a sharpshooter vector

- (Abstract Only)Backus, E.A., Rogers, E.E. 2014. Multiple, stochastic factors can determine acquisition success of the foregut-borne bacterium, Xylella fastidiosa, by a sharpshooter vector. In: Proceedings of the 2014 Pierce's Disease Symposium. p. 6.Differential probing behavior of Blissus insularis (Hemiptera: Blissidae) on resistant and susceptible St. Augustinegrasses

- (Peer Reviewed Journal)Rangasamy, M., Mcauslane, H.J., Backus, E.A., Cherry, R.H. 2015. Differential probing behavior of Blissus insularis (Hemiptera: Blissidae) on resistant and susceptible St. Augustinegrasses. Journal of Economic Entomology. 108(2):780-788.Anterior foregut microbiota of the glassy-winged sharpshooter explored using deep 16S rRNA gene sequencing from individual insects

- (Peer Reviewed Journal)Rogers, E.E., Backus, E.A. 2014. Anterior foregut microbiota of the glassy-winged sharpshooter explored using deep 16S rRNA gene sequencing from individual insects. PLoS One. 9(9):e106215.Glassy-winged sharpshooter Microbiota explored using deep 16S rRNA sequencing from individual insects

- (Abstract Only)Rogers, E.E., Backus, E.A. 2014. Glassy-winged sharpshooter Microbiota explored using deep 16S rRNA sequencing from individual insects. In:Proceedings of the Hemipteran-Plant Interactions Symposium Abstract Book, p.76.Glassy-winged sharpshooter can use a mechanical mechanism to inoculate Xylella fastidiosa into grapevines

- (Abstract Only)Backus, E.A., Shugart, H.J., Rogers, E.E., Morgan, J.K., Shatters, R.G. 2014. Glassy-winged sharpshooter can use a mechanical mechanism to inoculate Xylella fastidiosa into grapevines. In: Proceedings of the Hemipteran-Plant Interactions Symposium. p.89.What is waveform library? Advances in EPG science made possible by the 3rd generation AC-DC universal monitor

- (Abstract Only)Backus, E.A., Munyaneza, J.E., Mcauslane, H., Pearson, C., Rangasamy, M., Redinbaugh, M.G., Wayadande, A. 2014. What is waveform library? Advances in EPG science made possible by the 3rd generation AC-DC universal monitor. In: Proceedings of the Hemipteran-Plant Interactions Symposium. p.39.Time course study of feeding damage to pin head cotton squares by Lygus hesperus (Hemiptera: Miridae)

- (Abstract Only)Cervantes, F., Backus, E.A. 2014. Time course study of feeding damage to pin head cotton squares by Lygus hesperus (Hemiptera: Miridae). In: Proceedings of the Hemipteran-Plant Interactions Symposium. p.39.Changes in behavioral responses of Lygus lineolaris (Hemiptera: Miridae) from various applied signal voltages during EPG recordings

- (Abstract Only)Cervantes, F., Backus, E.A. 2014. Changes in behavioral responses of Lygus lineolaris (Hemiptera: Miridae) from various applied signal voltages during EPG recordings. In: Proceedings of the Hemipteran-Plant Interactions Symposium. p.40.Characterization of an EPG waveform library for Lygus spp. on cotton squares

- (Abstract Only)Cervantes, F., Backus, E.A. 2014. Characterization of an EPG waveform library for Lygus spp. on cotton squares. In: Proceedings of the Hemipteran-Plant Interactions Symposium. p.40.A new SAS program for behavioral analysis of Electrical Penetration Graph (EPG) data

- (Abstract Only)Ebert, T., Backus, E.A., Cid, M., Rogers, M., Fereres, A. 2014. A new SAS program for behavioral analysis of Electrical Penetration Graph (EPG) data. In: Proceedings of the Hemipteran-Plant Interactions Symposium. p.32.Behavioral plasticity in Diaphorina citri feeding on different citrus tissues

- (Abstract Only)Ebert, T., Backus, E.A., Rogers, M. 2014. Behavioral plasticity in Diaphorina citri feeding on different citrus tissues. In: Proceedings of the Hemipteran-Plant Interactions Symposium. p.32.Characterization and correlation of EPG waveforms of Bactericera cockerelli (Hemiptera: Triozidae): variability in waveform appearance in relation to applied signal

- (Peer Reviewed Journal)Pearson, C.C., Backus, E.A., Shugart, H.J., Munyaneza, J.E. 2014. Characterization and correlation of EPG waveforms of Bactericera cockerelli (Hemiptera: Triozidae): variability in waveform appearance in relation to applied signal. Annals of the Entomological Society of America. 107(3):650-666.Potato leafhopper (Hemiptera: Cicadellidae) ecology and integrated pest management focused on alfalfa

- (Literature Review)Chasen, E.M., Dietrich, C., Backus, E.A., Cullen, E.M. 2014. Potato leafhopper (Hemiptera: Cicadellidae) ecology and integrated pest management focused on alfalfa. Journal of Integrated Pest Management. 5:A1-A8.Optimizing EPG settings to record blue-green sharpshooter X waves for future studies of grape host plant resistance to Xf inoculation

- (Abstract Only)Backus, E.A., Rogers, E.E. 2013. Optimizing EPG settings to record blue-green sharpshooter X waves for future studies of grape host plant resistance to Xf inoculation. CDFA Pierce's Disease Control Program Research Symposium. p. 3-10.Characterization of Xylella fastidiosa lipopolysaccharide and its role in key steps of the disease cycle in grapevine

- (Proceedings)Roper, C., Cantu, D., Perring, T., Backus, E.A. 2013. Characterization of Xylella fastidiosa lipopolysaccharide and its role in key steps of the disease cycle in grapevine. Proceedings of the CDFA Pierce's Disease Control Program Research Symposium. p. 74-83.Characterization of Xylella fastidiosa lipopolysaccharide and its role in key steps of the disease cycle in grapevine

- (Proceedings)Roper, C., Daugherty, M., Perring, T., Backus, E.A. 2013. Characterization of Xylella fastidiosa lipopolysaccharide and its role in key steps of the disease cycle in grapevine. p. 74 In: Pierce's Disease Research Progress Reports, California Department of Food and Agriculture. 262 pp.Plant water stress effects on stylet probing behaviors of Homalodisca vitripennis (Hemiptera: Cicadellidae) associated with acquisition and inoculation of the bacterium Xylella fastidiosa

- (Peer Reviewed Journal)Krugner, R., Backus, E.A. 2014. Plant water stress effects on stylet probing behaviors of Homalodisca vitripennis (Hemiptera: Cicadellidae) associated with acquisition and inoculation of the bacterium Xylella fastidiosa. Journal of Economic Entomology. 107(1):66-74.Probing behaviors of adult Asian citrus psyllid (Hemiptera: Psyllidae)are not appreciably affected by soil application of field-rate aldicarb to citrus

- (Peer Reviewed Journal)Serikawa, R.H., Backus, E.A., Rogers, M.E. 2014. Probing behaviors of adult Asian citrus psyllid (Hemiptera: Psyllidae)are not appreciably affected by soil application of field-rate aldicarb to citrus. Florida Entomologist. 96:1334-1342.Feeding-induced interactions between Nilaparvata lugens and Laodelphax striatellus: effects on feeding behavior and honeydew excretion

- (Peer Reviewed Journal)Cao, T.T., Lou, Y.G., Backus, E.A., Cheng, J.A. 2013. Feeding-induced interactions between Nilaparvata lugens and Laodelphax striatellus: effects on feeding behavior and honeydew excretion. Environmental Entomology. 42:987-997.The new, third-generation, AC-DC Electrical Penetration Graph (EPG) monitor and its usefulness for IPM research on vectors of plant pathogens

- (Proceedings)Backus, E.A. 2013. The new, third-generation, AC-DC Electrical Penetration Graph (EPG) monitor and its usefulness for IPM research on vectors of plant pathogens. Symposium on Insect Vectors and Insect-Borne Diseases. p. 211-230.Waveform library for chinch bugs (Hemiptera: Heteroptera: Blissidae): Characterization of Electrical Penetration Graph (EPG) waveforms at multiple input impedances

- (Peer Reviewed Journal)Backus, E.A., Rangasamy, M., Stamm, M., McAuslane, H., Cherry, R. 2013. Waveform library for chinch bugs (Hemiptera: Heteroptera: Blissidae): Characterization of Electrical Penetration Graph (EPG) waveforms at multiple input impedances. Annals of the Entomological Society of America. 106:524-539.The Leafhoppers:  Anatomy, Physiology and Behavior of Feeding and Its Sensory Mediation

- (Book / Chapter)Evidence that explains absence of a latent period for Xylella fastidiosa in its sharpshooter vectors

- (Abstract Only)Backus, E.A. 2012. Evidence that explains absence of a latent period for Xylella fastidiosa in its sharpshooter vectors. Entomological Society of America Annual Meeting. Available: http://esa.confex.com/esa/2012/webprogram/Papers69529.html.Effects of plant water stress on vector feeding behaviors that control acquisition and inoculation of Xylella fastidiosa

- (Proceedings)Backus, E.A., Krugner, R. 2013. Effects of plant water stress on vector feeding behaviors that control acquisition and inoculation of Xylella fastidiosa. p. 1.In: 2012 Pierce's Disease Research Progress Reports, California Department of Food and Agriculture, 262 pp.Pattern of stylet penetration activity by Homalodisca vitripennis (Hemiptera: Cicadellidae) adults in relation to environmental temperature and light conditions

- (Peer Reviewed Journal)Son, Y., Backus, E.A., Johnson, M., Groves, R. 2012. Pattern of stylet penetration activity by Homalodisca vitripennis (Hemiptera: Cicadellidae) adults in relation to environmental temperature and light conditions. Environmental Entomology. 41(5):1215-1230.Effects of soil-applied imidacloprid on Asian citrus psyllid (Hemiptera:  Psyllidae) feeding behavior

- (Peer Reviewed Journal)Serikawa, R., Rogers, M., Backus, E.A. 2012. Effects of soil-applied imidacloprid on Asian citrus psyllid (Hemiptera:  Psyllidae) feeding behavior. Journal of Economic Entomology. 105(5):1492-1502.Characterization of EPG waveforms for the tea green leafhopper, Empoasca vitis Göthe (Hemiptera: Cicadellidae), on tea plants and their correlation with stylet activities

- (Peer Reviewed Journal)Jin, S., Chen, Z., Backus, E.A., Sun, X.L., Xiao, B. 2012. Characterization of EPG waveforms for the tea green leafhopper, Empoasca vitis Göthe (Hemiptera: Cicadellidae), on tea plants and their correlation with stylet activities. Journal of Insect Physiology. 58:1235-1244.Location of the mechanism of resistance to Amphorophora agathonica (Hemiptera: Aphididae) in red raspberry

- (Peer Reviewed Journal)Lightle, D., Dossett, M., Backus, E.A., Lee, J.C. 2012. Location of the mechanism of resistance to Amphorophora agathonica (Hemiptera: Aphididae) in red raspberry. Journal of Economic Entomology. 105:1465-1470.Effects of plant water stress on vector feeding behaviors that control acquisition and inoculation of Xylella fastidiosa

- (Abstract Only)Backus, E.A., Krugner, R. 2012. Effects of plant water stress on vector feeding behaviors that control acquisition and inoculation of Xylella fastidiosa. Phytopathology. 102(S4):8.Sharpshooter feeding behavior in relation to transmission of Xylella fastidiosa: a model for foregut-borne transmission mechanisms

- (Book / Chapter)Backus, E.A. 2016. Sharpshooter feeding behavior in relation to transmission of Xylella fastidiosa: a model for foregut-borne transmission mechanisms. In: Brown, J.K., editor. Vector-Mediated Transmission of Plant Pathogens. St. Paul, MN: American Phytopathological Society Press. p. 175-194.Salivary enzymes are injected into xylem by the glassy-winged sharpshooter, a vector of Xylella fastidiosa

- (Peer Reviewed Journal)Backus, E.A., Andrews, K.B., Shugart, H., Greve, L.C., Labavitch, J.M., Alhaddad, H. 2012. Salivary enzymes are injected into xylem by the glassy-winged sharpshooter, a vector of Xylella fastidiosa. Journal of Insect Physiology. 58(7):949-959.Effects of plant water stress and temperature on glassy-winged sharpshooter feeding in relation to transmission of Xylella fastidiosa

- (Abstract Only)Backus, E.A., Krugner, R., Son, Y., Johnson, M. 2011. Effects of plant water stress and temperature on glassy-winged sharpshooter feeding in relation to transmission of Xylella fastidiosa. CDFA Pierce's Disease Control Program Research Symposium. p. 19.Glassy-winged sharpshooter feeding does not cause air embolisms in xylem of well-watered plants.

- (Abstract Only)Backus, E.A., Lee, W. 2011. Glassy-winged sharpshooter feeding does not cause air embolisms in xylem of well-watered plants. CDFA Pierce's Disease Control Program Research Symposium. p. 19.Correlation of an electrical penetration graph waveform with walking by Asian citrus psyllid, Diaphorina citri Kuwayama

- (Peer Reviewed Journal)Youngnam, Y., Backus, E.A., Serikawa, R., Stelinski, L. 2012. Correlation of an electrical penetration graph waveform with walking by Asian citrus psyllid, Diaphorina citri Kuwayama. Florida Entomologist. 94:1084-1087.New technologies in electrical penetration graph (EPG) monitors of insect feeding and their applications for 21st century entomology

- (Abstract Only)Backus, E.A. 2011. New technologies in electrical penetration graph (EPG) monitors of insect feeding and their applications for 21st century entomology. Entomological Society of America Annual Meeting, November 13-16, 2011, Reno, Nevada. Available:http://esa.confex.com/esa/2011/webprogram/Paper55254.html.Waveform library for chinch bugs (Heteroptera:  Blissidae):  Characterization of EPG waveforms at multiple input impedances

- (Abstract Only)Rangasamy, M., Backus, E.A., Stammm, M., Heng-Moss, T., Baxendale, F., Mcauslane, H. 2011. Waveform library for chinch bugs (Heteroptera:  Blissidae):  Characterization of EPG waveforms at multiple input impedances. Meeting Abstract. Available: http://www.infobibos.com/Hemipteran/CD/authors.html.Gender differences and effect of photophase on Asian citrus psyllid (Diaphorina citri Kuwayama) feeding behavior

- (Abstract Only)Serikaw, R.H., Okuma, D.M., Backus, E.A., Rogers, M. 2011. Gender differences and effect of photophase on Asian citrus psyllid (Diaphorina citri Kuwayama) feeding behavior. Meeting Abstract. Available: http://www.infobibos.com/Hemipteran/CD/authors.html.Analysis of electrical penetration graph data:  what to do with artificially terminated events?

- (Abstract Only)Ebert, T., Backus, E.A., Rogers, M. 2011. Analysis of electrical penetration graph data:  what to do with artificially terminated events? Meeting Abstract. Available: http://www.infobibos.com/Hemipteran/CD/authors.html.Cell rupture feeding by Empoasca and Lygus spp. and the causes of their plant damage

- (Abstract Only)Backus, E.A. 2011. Cell rupture feeding by Empoasca and Lygus spp. and the causes of their plant damage. Meeting Abstract. Available: http://www.infobibos.com/Hemipteran/CD/authors.html.Support for the salivation-egestion hypothesis for Xylella fastidiosa inoculation:  salivary glucanase is injected into xylem during vector feeding.

- (Abstract Only)Backus, E.A., Andrews, K., Labavitch, J., Greve, C. 2011. Support for the salivation-egestion hypothesis for Xylella fastidiosa inoculation:  salivary glucanase is injected into xylem during vector feeding. Meeting Abstract. Available: http://www.infobibos.com/Hemipteran/CD/authors.html.Support for the salivation-egestion hypothesis for Xylella fastidiosa inoculation:  X-ray studies supporting the existence of egestion.

- (Abstract Only)Backus, E.A., Lee, W., Socha, J., Lee, E. 2011. Support for the salivation-egestion hypothesis for Xylella fastidiosa inoculation:  X-ray studies supporting the existence of egestion. Meeting Abstract. Available: http://www.infobibos.com/Hemipteran/CD/authors.htmlHow do sharpshooter leafhoppers feed and survive on nutritionally depauperate xylem fluid?

- (Abstract Only)Backus, E.A. 2011. How do sharpshooter leafhoppers feed and survive on nutritionally depauperate xylem fluid? Meeting Abstract. Available: http://www.infobibos.com/Hemipteran/CD/authors.html.Spatiotemporal colonization of Xyllela fastidiosa in its vector supports two types of egestion in the inoculation mechanism of foregut-borne plant pathogens

- (Peer Reviewed Journal)Backus, E.A., Morgan, D.J. 2011. Spatiotemporal colonization of Xyllela fastidiosa in its vector supports two types of egestion in the inoculation mechanism of foregut-borne plant pathogens. Phytopathology. 101:912-922.Comparative behavioral and protein study of salivary secretions in Homalodisca spp. sharpshooters (Hemiptera: Cicadellidae: Cicadellinae)

- (Peer Reviewed Journal)Alhaddad, H., Coudron, T.A., Backus, E.A., Schreiber, F. 2011. Comparative behavioral and protein study of salivary secretions in Homalodisca spp. sharpshooters (Hemiptera: Cicadellidae: Cicadellinae). Annals of the Entomological Society of America. 104:543-552.Characterization and correlation of new EPG waveforms for the corn leafhopper Dalbulus maidis (Hemiptera: Cicadellidae)

- (Peer Reviewed Journal)Carpane, P., Wayadande, A., Backus, E.A., Dolezal, W., Fletcher, J. 2011. Characterization and correlation of new EPG waveforms for the corn leafhopper Dalbulus maidis (Hemiptera: Cicadellidae). Annals of the Entomological Society of America. 104(3):515-525.Support for the salivation-egestion hypothesis for Xylella fastidiosa inoculation:  bacterial cells can penetrate vector saliva in xylem

- (Proceedings)Backus, E.A. 2010. Support for the salivation-egestion hypothesis for Xylella fastidiosa inoculation:  bacterial cells can penetrate vector saliva in xylem. CDFA Pierce's Disease Control Program Research Symposium. p.3.Muscle movements that control inoculation of Xylella fastidiosa are revealed by head X-rays of feeding glassy-winged sharpshooters

- (Abstract Only)Backus, E.A., Lee, W., Socha, J., Lee, E. 2010. Muscle movements that control inoculation of Xylella fastidiosa are revealed by head X-rays of feeding glassy-winged sharpshooters. Entomological Society of America Annual Meeting, Dec 12-15, 2010, San Diego, CA. Available: http://esa.confex.com/esa/2010/webprogram/Paper50391.html.Evidence supporting the Egestion-Salivation Hypothesis for inoculation of Xylella fastidiosa by sharpshooter vectors

- (Abstract Only)Backus, E.A., Andrews, K., Labavitch, J., Greve, C.L. 2010. Evidence supporting the Egestion-Salivation Hypothesis for inoculation of Xylella fastidiosa by sharpshooter vectors. Entomological Society of America Annual Meeting, Dec 12-15, 2010, San Diego, CA. Available: http://esa.confex.com/esa/2010/webprogram/Paper50369.htmlIdentification and definitions of Electrical Penetration Graph (EPG) waveforms for the potato psyllid, Bactericera cockerelli, on susceptible potato.

- (Abstract Only)Pearson, C.C., Backus, E.A., Munyaneza, J.E. 2010. Identification and definitions of Electrical Penetration Graph (EPG) waveforms for the potato psyllid, Bactericera cockerelli, on susceptible potato. Entomological Society of America Annual Meeting, Dec 12-15, 2010, San Diego, CA. Available: http://esa.confex.com/esa/2010/webprogram/Paper50357.html.Effects of the residual activity of foliar-applied insecticides on Asian citrus psyllid (Diaphorina citri) feeding behavior.

- (Abstract Only)Serikawa, R.H., Okuma, D.M., Backus, E.A., Rogers, M.E. 2010. Effects of the residual activity of foliar-applied insecticides on Asian citrus psyllid (Diaphorina citri) feeding behavior. Entomological Society of America Annual Meeting, Dec 12-15, 2010, San Diego, CA Available:http://esa.confex.com/esa/2010/webprogram/Paper50064.html.Effects on Asian Citrus Psyllid (Diaphorina citri Kuwayama) feeding behavior of fenpropathrin and chlorpyrifos within 24 hours of application

- (Abstract Only)Serikawa, R.H., Okuma, D.M., Backus, E.A., Rogers, M.E. 2010. Effects on Asian Citrus Psyllid (Diaphorina citri Kuwayama) feeding behavior of fenpropathrin and chlorpyrifos within 24 hours of application. Entomological Society of America Annual Meeting, Dec 12-15, 2010, San Diego, CA. Available: http://esa.confex.com/esa/2010/webprogram/Paper50071.html.Can insecticides protect citrus from HLB infection?

- (Trade Journal)Serikawa, R., Rogers, M., Backus, E.A., Stelinski, L. 2010. Can insecticides protect citrus from HLB infection? Citrus Industry: July: 6-9.The Egestion-Salivation Hypothesis:  Evidence for the role of vector saliva in the inoculation mechanism of Xylella fastidiosa

- (Abstract Only)Backus, E.A., Andrews, K., Labavitch, J., Greve, L. 2010. The Egestion-Salivation Hypothesis:  Evidence for the role of vector saliva in the inoculation mechanism of Xylella fastidiosa. Phytopathology. 100(6):S9-S10.Analyzing Feeding Behavior of Nezara viridula on Glycine max Using Electrical Penetration Graph Techniques

- (Abstract Only)Cooke, S., Mitchell, P., Backus, E.A. 2010. Analyzing Feeding Behavior of Nezara viridula on Glycine max Using Electrical Penetration Graph Techniques. Entomological Society of America Regional Meetings, Southeastern Branch. Available: http://www.entsoc.org/Southeastern/SEB_84thAnnualMeetingProgramFinal.pdfFeeding Behaviors That Promote Inoculation Of Xylella fastidiosa Are Performed Less By Glassy-winged Sharpshooters on Resistant Vitis Candicans Than On Susceptible V. vinifera cv. ‘Chardonnay’

- (Other)Backus, E.A., Walker, A. 2009. Feeding Behaviors That Promote Inoculation Of Xylella fastidiosa Are Performed Less By Glassy-winged Sharpshooters on Resistant Vitis Candicans Than On Susceptible V. vinifera cv. ‘Chardonnay’. CDFA Pierce's Disease Control Program Research Symposium, Dec 9-11, 2009, Sacramento, CA. Available:.  http://www.cdfa.ca.gov/pdcp/Documents/Proceedings_2009/2009_Program.pdfTowards Host Plant Resistance against Psyllid Feeding and Transmission of Ca. Liberibacter spp.

- (Abstract Only)Backus, E.A., Fereres, A., Lopes, J., Mcauslane, H., Walker, G. 2009. Towards Host Plant Resistance against Psyllid Feeding and Transmission of Ca. Liberibacter spp [abstract]. HLB-CZ Conference, McAllen, Texas, November, 2009. P3. Available: http://www.fritolayag.com/public/HLB/HLB_Abstracts.pdfDifferences in Stylet Penetration Behaviors of Glassy-winged Sharpshooters on Xylella-Resistant Vitis candicans vs. Susceptible Vitis vinifera cv. ‘Chardonnay’

- (Abstract Only)Backus, E.A., Walker, A. 2009. Differences in Stylet Penetration Behaviors of Glassy-winged Sharpshooters on Xylella-Resistant Vitis candicans vs. Susceptible Vitis vinifera cv. ‘Chardonnay’[abstract]. Entomological Society of America Annual Meeting, Dec 13-16, 2009, Indianapolis, Indiana. Paper No. 44254.Sharpshooter X-wave:  Correlation of an Electrical Penetration Graph (EPG) Waveform With Xylem Penetration Supports a Hypothesized Mechanism For Xylella Fastidiosa Inoculation

- (Peer Reviewed Journal)Backus, E.A., Holmes,, W., Schreiber,, F., Reardon,, B., Walker,, G. 2009. Sharpshooter X-wave:  Correlation of an Electrical Penetration Graph (EPG) Waveform With Xylem Penetration Supports a Hypothesized Mechanism For Xylella Fastidiosa Inoculation. Annals of the Entomological Society of America. 102(5):847-867.The AC-DC correlation monitor:  New EPG design with flexible input resistors to detect both R and emf components for any piercing-sucking hemipteran

- (Peer Reviewed Journal)Backus, E.A., Bennett, W.H. 2009. The AC-DC correlation monitor:  New EPG design with flexible input resistors to detect both R and emf components for any piercing-sucking hemipteran. Journal of Insect Physiology. 55:869-884.The Glassy-Winged Sharpshooter Vector of Xylella fastidiosa Harbors a Phytoreovirus

- (Abstract Only)Stenger, D.C., Sisterson, M.S., Krugner, R., Backus, E.A., Hunter, W.B. 2009. The Glassy-Winged Sharpshooter Vector of Xylella fastidiosa Harbors a Phytoreovirus. American Phytopathological Society Annual Meeting, Portland, OR. (07/09). Phytopathology 99: S124.Patterns of spatial colonization of Xylella fastidiosa in the foregut of glassy-winged sharpshooter support egestion as part of the mechanism of inoculation

- (Abstract Only)Backus, E.A., Morgan, D. 2009. Patterns of spatial colonization of Xylella fastidiosa in the foregut of glassy-winged sharpshooter support egestion as part of the mechanism of inoculation. American Phytopathological Society Annual Meeting. 2009 Supplement: S6.Genomic Characterization of a Phytoreovirus species infecting the glassy-winged sharpshooter

- (Abstract Only)Stenger, D.C., Sisterson, M.S., Krugner, R., Backus, E.A., Hunter, W.B. 2009. Genomic Characterization of a Phytoreovirus species infecting the glassy-winged sharpshooter[abstract]. American Society for Virology Meeting. p.342.A New Phytoreovirus Infecting the Glassy-Winged Sharpshooter (Homalodisca vitripennis)

- (Peer Reviewed Journal)Stenger, D.C., Sisterson, M.S., Krugner, R., Backus, E.A., Hunter, W.B. 2009. A New Phytoreovirus Infecting the Glassy-Winged Sharpshooter (Homalodisca vitripennis). Virology. 386:469-477.Characterization of a new Phytoreovirus species infecting the glassy-winged sharpshooter

- (Abstract Only)Stenger, D.C., Sisterson, M.S., Krugner, R., Backus, E.A., Hunter, W.B. 2008. Characterization of a new Phytoreovirus species infecting the glassy-winged sharpshooter [abstract]. CDFA Pierce's Disease Control Program Research Symposium, December 15-17, 2008, San Diego, California; Poster abstracts not published in Proceedings.Immunohistochemistry of ß 1,4-glucanase, the major enzymatic component of glassy-winged sharpshooter saliva, in probed grape petioles

- (Proceedings)Backus, E.A., Labavitch,, J.M. 2008. Immunohistochemistry of ß 1,4-glucanase, the major enzymatic component of glassy-winged sharpshooter saliva, in probed grape petioles. Proceedings of the CDFA Pierce's Disease Control Program Research Symposium, December 15-16, 2008, San Diego, California. p.3-6.Immunological detection of glassy-winged sharpshooter saliva in grapevine

- (Abstract Only)Kingston,, K., Backus, E.A., Labavitch,, J. 2008. Immunological detection of glassy-winged sharpshooter saliva in grapevine [abstract]. Entomological Society of America Annual Meeting. Paper No. 36448.Differential stylet penetration behaviors of two Aphis gossypii biotypes in relation to host or vector infection with Citrus tristeza virus

- (Abstract Only)Gutierrez, J.D., Backus, E.A., Yokomi, R.K., Schreiber, F. 2008. Differential stylet penetration behaviors of two Aphis gossypii biotypes in relation to host or vector infection with Citrus tristeza virus. Entomological Society of America Annual Meeting. Paper No. 36418.Correlations of cibarial muscle activities of Homalodisca spp. sharpshooters (Hemiptera:  Cicadellidae) with EPG waveforms and excretion

- (Peer Reviewed Journal)Dugravot, S., Backus, E.A., Reardon, B.J., Miller, T.A. 2008. Correlations of cibarial muscle activities of Homalodisca spp. sharpshooters (Hemiptera:  Cicadellidae) with EPG waveforms and excretion. Journal of Insect Physiology. 54:1467-1478.Time course of colonization of the glassy-winged sharpshooter precibarium by Xylella fastidiosa provides evidence for two types of egestion during inoculation

- (Abstract Only)Backus, E.A., Morgan,, D. 2008. Time course of colonization of the glassy-winged sharpshooter precibarium by Xylella fastidiosa provides evidence for two types of egestion during inoculation. Abstract No. 1584. In: Proceedings of the XXIII International Congress of Entomology CD, in Durban, South Africa, July 6-12, 2008.New, Universal AC-DC Electrical Penetration Graph (EPG) monitor allows recording of detailed R- and emf-component waveforms for any piercing-sucking insect

- (Abstract Only)Backus, E.A., Rangasamy, M., Mcauslane, H., Redinbaugh, M.G., Wayadande, A. 2008. New, Universal AC-DC Electrical Penetration Graph (EPG) monitor allows recording of detailed R- and emf-component waveforms for any piercing-sucking insect. Abstract No. 1610. In: Proceedings of the XXIII International Congress of Entomology held in Durban, South Africa, July 6-12, 2008.The Sharpshooter X-wave:  Correlation of xylem penetration by glassy-winged sharpshooter with an electrical penetration graph (EPG) waveform

- (Abstract Only)Backus, E.A., Holmes, W., Reardon, B., Schreiber, F., Walker, G. 2008. The Sharpshooter X-wave:  Correlation of xylem penetration by glassy-winged sharpshooter with an electrical penetration graph (EPG) waveform [abstract no. 1597]. In: Proceedings of the XXIII International Congress of Entomology held in Durban, South Africa, July 6-12, 2008.Electrical Penetration Graph (EPG) monitoring of feeding by glassy-winged sharpshooter and potential application of EPG to other pathogen vectors

- (Abstract Only)Backus, E.A. 2008. Electrical Penetration Graph (EPG) monitoring of feeding by glassy-winged sharpshooter and potential application of EPG to other pathogen vectors. Abstract No. 1580 in Proceedings of the XXIII International Congress of Entomology CD, Durban, South Africa, July 6-12, 2008.Quantitative comparison of stylet penetration behaviors of  glassy-winged sharpshooter, Homalodisca vitripennis, on four crop plants important in New Zealand and the USA

- (Peer Reviewed Journal)Sandanayaka, W., Backus, E.A. 2008. Quantitative comparison of stylet penetration behaviors of glassy-winged sharpshooter, Homalodisca vitripennis, on four crop plants important in New Zealand and the USA. Journal of Economic Entomology. 98:787-813.The transmission mechanism of Xylella fastidiosa by sharpshooter vectors and a model for quantification of vector efficiency

- (Abstract Only)Backus, E.A. 2008. The transmission mechanism of Xylella fastidiosa by sharpshooter vectors and a model for quantification of vector efficiency [abstract]. Entomology Society of America Pacific Branch Meeting. p.52.Feeding Behaviors of the Glassy-Winged Sharpshooter that Control Inoculation of Xylella fastidiosa

- (Proceedings)Backus, E.A. 2007. Feeding Behaviors of the Glassy-Winged Sharpshooter that Control Inoculation of Xylella fastidiosa. In: Proceedings of the 2007 Pierce's Disease Research Symposium, December 12-14, 2007, San Diego, California. p. 116-119Beta 1, 4-glucanase in Glassy-Winged Sharpshooter Saliva, and its Possible Role in Infection and Movement of X. fastidiosa

- (Proceedings)Backus, E.A., Labavitch,, J.M. 2007. Beta 1, 4-glucanase in Glassy-Winged Sharpshooter Saliva, and its Possible Role in Infection and Movement of X. fastidiosa. In: Proceedings of the 2007 Pierce's Disease Research Symposium, December 12-14, 2007, San Diego, California. p. 120-122.Morphology and Histology of the Alimentary Canal of Lygus hesperus Knight (Heteroptera:  Cimicomoropha:  Miridae)

- (Peer Reviewed Journal)Habibi, J., Coudron, T.A., Backus, E.A., Brandt, S.L., Wagner, R.M., Wright, M.K., Huesing, J.E. 2008. Morphology and histology of the alimentary canal of Lygus hesperus Knight (Heteroptera: Cimicomoropha: Miridae). Annals of the Entomological Society of America. 101(1):159-171.The Sharpshooter X-wave:  Correlation of an Electrical Penetration Graph (EPG) Waveform with Xylem Penetration During Feeding of Glassy-winged Sharpshooter

- (Abstract Only)Backus, E.A., Holmes, W., Reardon,, B.J., Schreiber, F., Walker,, G.P. 2007. The Sharpshooter X-wave:  Correlation of an Electrical Penetration Graph (EPG) Waveform with Xylem Penetration During Feeding of Glassy-winged Sharpshooter. Entomological Society of America Annual Meeting Abstracts. Available: http://esa.confex.com/esa/2007/techprogram/paper_30369.htmSalivary Secretions of the Glassy-winged Sharpshooter, Homalodisca vitripennis: Novel Method of Collection and Protein Profile

- (Abstract Only)Hasan, A., Backus, E.A., Schreiber, F. 2007. Salivary Secretions of the Glassy-winged Sharpshooter, Homalodisca vitripennis: Novel Method of Collection and Protein Profile [abstract]. Entomological Society of America Annual Meeting. Available: http://esa.confex.com/esa/2007/techprogram/paper_30926.htmHow to be an ideal vector:  Four crucial steps in the transmission mechanism of Xylella fastidiosa by sharpshooters

- (Proceedings)Backus, E.A. 2007. How to be an ideal vector:  Four crucial steps in the transmission mechanism of Xylella fastidiosa by sharpshooters. In: Proceedings of the National Viticulture Research Conference, July 18-20, 2007, Davis, CA. p. 9-10.Competitive binding influences Xf vector load:  Confocal and SEM images of GFP-expressing Xf in GWSS foreguts

- (Proceedings)Backus, E.A. 2007. Competitive binding influences Xf vector load:  Confocal and SEM images of GFP-expressing Xf in GWSS foreguts. In: Proceedings of the National Viticulture Research Conference, July 9-11, 2007, Davis, CA. p. 11-12.Competitive Binding Influences Xylella fastidiosa Vector Load:  Confocal and SEM images of GFP-expressing Xf in Glassy-Winged Sharpshooter Foreguts

- (Abstract Only)Backus, E.A. 2007. Competitive Binding Influences Xylella fastidiosa Vector Load: Confocal and SEM images of GFP-expressing Xf in Glassy-Winged Sharpshooter Foreguts. American Phytopathological Society. 97:S6.WHERE, WHEN AND HOW DO INGESTION AND OTHER FEEDING BEHAVIORS OF THE GLASSY-WINGED SHARPSHOOTER ALLOW INOCULATION OF XYLELLA FASTIDIOSA

- (Proceedings)Backus, E.A. 2006. Where, when and how do ingestion and other feeding behaviors of the glassy-winged sharpshooter allow inoculation of Xylella Fastidiosa [abstract]. CDFA Pierce's Disease Control Program Research Symposium Proceedings. p252.LINKING THE MODEL OF THE DEVELOPMENT OF PD IN GRAPEVINES TO AN UNDERSTANDING OF THE DYNAMICS OF GWSS TRANSMISSION OF X. FASTIDIOSA TO GRAPEVINES AND GRAPVINE GENE EXPRESSION MARKERS OF PD

- (Proceedings)Labavitch, J.M., Backus, E.A., Matthews, M., Shackel, K. 2006. Linking the model of the development of PD in grapevines to an understanding of the dynamics of GWSS transmission of X. fastidiosa to grapevines and grapvine gene expression markers of PD. CDFA Pierce's Disease Control Program Research Symposium Proceedings. p. 283.THE CONTRIBUTION OF THE PECTIN-DEGRADING ENZYME POLYGALACTURONASE (PG) IN TRANSMISSION OF X. FASTIDIOSA TO GRAPE AND THE USE OF PG-INHIBITING PROTEINS FOR TRANSGENIC RESISTANCE TO PIERCE'S DISEASE

- (Proceedings)Labavitch, J.M., Backus, E.A., Morgan, D. 2006. The contribution of the pectin-degrading enzyme polygalacturonase (PG) in transmission of X. Fastidiosa to grape and the use of PG-inhibiting proteins for transgenic resistance to Pierce's Disease [abstract]. CDFA Pierce's Disease Control Program Research Symposium Proceedings. p. 287SPATIAL POPULATION DYNAMICS AND OVERWINTERING BIOLOGY OF THE GLASSY-WINGED SHARPPSHOOTER, HOMALODISCA COAGULATA, IN  CALIFORNIA'S SAN JOAQUIN VALLEY

- (Proceedings)Johnson, M.W., K. Daane,R. Groves, E.A. Backus. 2006. Spatial population dynamics and overwintering biology of the glassy-winged sharppshooter, Homalodisca coagulata, in  California's San Joaquin Valley. CDFA Pierce's Disease Control Program Research Symposium Proceedings. p. 12THE ROLE OF GLASSY-WINGED SHARPSHOOTER SALIVARY ENZYMES IN INFECTION AND MOVEMENT OF X. FASTIDIOSA

- (Proceedings)Backus, E.A., Labavitch, J.M. 2006. The role of glassy-winged sharpshooter salivary enzymes in infection and movement of X. Fastidiosa [abstract]. CDFA Pierce's Disease Control Program Research Symposium Proceedings. p. 256.LYGUS HESPERUS (KNIGHT) (HEMIPTERA: MIRIDAE) FEEDING ON COTTON:  NEW METHODS AND PARAMETERS FOR ANALYSIS OF NON-SEQUENTIAL EPG DATA.

- (Peer Reviewed Journal)Backus, E.A., Cline, A.R., Serrano, M.S., Ellerseick, M.R. 2007. Lygus hesperus (Knight) (Hemiptera: miridae) Feeding on Cotton:  New Methods and Parameters for Analysis of Non-sequential EPG Data.  Annals of the Entomological Society of America 100(2):296-310.SPATIAL AND TEMPORAL PROGRESSION OF XYLELLA FASTIDIOSA COLONIZATION OF THE FOREGUT OF THE GLASSY-WINGED SHARPSHOOTER DURING ACQUISITION.

- (Abstract Only)Backus, E. A.  2006.  Spatial and temporal progression of Xylella fastidiosa colonization of the foregut of the glassy-winged sharpshooter during acquisition. Entomological Society of American Annual Meeting. Available: http://esa.confex.com/esa/2006/techprogram/paper_26707.htmCORRELATIONS OF CIBARIAL AND PRECIBARIAL MUSCLE ACTIVITIES WITH EPG WAVEFORMS AND EXCRETION IN THE SMOKE-TREE SHARPSHOOTER, HOMALODISCA LITURATA (HEMIPTERA:  CICADELLIDAE)

- (Abstract Only)Dugravot, S. and E. A. Backus.  2006.  Correlations of cibarial and precibarial muscle activities with EPG waveforms and excretion in the smoke-tree sharpshooter, Homalodisca liturata (Hemiptera:  Cicadellidae).  Entomol. Soc. Am. Ann. Mtng. Available: http://esa.confex.com/esa/2006/techprogram/paper_26063.htmACQUISITION OF XYLELLA FASTIDIOSA BY GLASSY-WINGED SHARPSHOOTER:  IMAGING OF BACTERIAL COLONIES AND THEIR LOCATIONS WITHIN THE FOREGUT OVER TIME

- (Abstract Only)Backus, E.A., Chen, J. 2006. Acquisition of Xylella fastidiosa by glassy-winged sharpshooter:  Imaging of bacterial colonies and their locations within the foregut over time. [abstract] Phytopathology 96:S7.CHARACTERIZATION OF DIGESTIVE PROTEOLYTIC ACTIVITY IN LYGUS HESPERUS KNIGHT (HEMIPTERA: MIRIDAE)

- (Peer Reviewed Journal)Wright Osment, M.M., Brandt, S.L., Coudron, T.A., Wagner, R.M., Habibi, J., Backus, E.A., Huesing, J.E. 2006. Characterization of digestive proteolytic activity in Lygus hesperus Knight (Hemiptera: Miridae). Journal of Insect Physiology. 52:717-728.ELECTRICAL PENETRATION GRAPH (EPG) MONITORING OF FEEDING BEHAVIOR OF THE GLASSY-WINGED SHARPSHOOTER, AND ITS USE IN UNDERSTANDING THE TRANSMISSION OF THE PIERCE'S DISEASE BACTERIUM, XYLELLA FASTIDIOSA

- (Abstract Only)Backus, E.A., Shugart, H., Joost, P.H. 2006. Electrical penetration graph (epg) monitoring of feeding behavior of the glassy-winged sharpshooter, and its use in understanding the transmission of the Pierce's Disease bacterium, Xylella fastidiosa. [abstract]. AgBiotech 2006 A Central California Agricultural Biotechnology Conference. P.17.SPECIFIC STYLET ACTIVITIES BY SHARPSHOOTERS ARE INVOLVED IN INOCULATION OF XYLELLA FASTIDIOSA

- (Abstract Only)Backus, E.A., Joost, P.H., Yan, F. 2006. Specific stylet activities by sharpshooters are involved in inoculation of Xylella fastidiosa. [abstract].  AgBiotech 2006 A Central Calfornia Agricultural Biotechnology Conference p.23.WHERE, WHEN AND HOW DO INGESTION AND OTHER FEEDING BEHAVIORS OF THE GLASSY-WINGED SHARPSHOOTER ALLOW INOCULATION OF XYLELLA FASTIDIOSA?

- (Abstract Only)Backus, E.A., Joost, P.H., Shugart, H. 2006. Where, when and how do ingestion and other feeding behaviors of the glassy-winged sharpshooter allow inoculation of Xylella fastidiosa? [abstract]. AgBiotech 2006 A Central California Agricultural Biotechnology Conference. p. 22.CORRELATION OF STYLET ACTIVITIES BY THE GLASSY-WINGED SHARPSHOOTER, HOMALODISCA COAGULATA (SAY), WITH ELECTRICAL PENETRATION GRAPH (EPG) WAVEFORMS

- (Peer Reviewed Journal)Joost, P.H., Backus, E.A., Yan, F. 2006. Correlation of stylet activities by the glassy-winged sharpshooter, Homalodisca coagulata (Say), with electrical penetration graph (EPG) waveforms. Journal of Insect Physiology. 52(3):327-337INFLUENCE OF PLANT ONTOGENY AND ABIOTIC FACTORS ON RESISTANCE OF GLANDULAR-HAIRED ALFALFA TO THE POTATO LEAFHOPPER (HEMIPTERA: CICADELLIDAE)

- (Peer Reviewed Journal)Casteel, C.L., Ranger, C.M., Backus, E.A., Ellersieck, M.R., Johnson, D.W. 2006. Influence of Plant Ontogeny and Abiotic Factors on Resistance of Glandular-Haired Alfalfa to the Potato Leafhopper (Hemiptera: Cicadellidae). Journal of Economic Entomology. 99(2):537-543.WHERE, WHEN AND HOW DO INGESTION AND OTHER FEEDING BEHAVIORS OF THE GLASSY-WINGED SHARPSHOOTER ALLOW INOCULATION OF XYLELLA FASTIDIOSA?

- (Proceedings)Backus, E.A., Joost, P.H., Shugart, H. 2005. Where, when and how do ingestion and other feeding behaviors of the glassy-winged sharpshooter allow inoculation of xylella fastidiosa?  Proceedings of the 2005 Pierce's Disease  Research Symposium. p.85-88.LINKING THE MODEL OF THE DEVELOPMENT OF PIERCE'S DISEASE IN GRAPEVINES TO AN UNDERSTANDING OF THE DYNAMICS OF GWSS TRANSMISSION OF XYLELLA FASTIDIOSA TO GRAPEVINES AND GRAPEVINE GENE EXPRESSION MARKERS OF PIERCE'S DISEASE.

- (Proceedings)Labavitch, J., Backus, E.A., Matthews, M., Shackel, K. 2005. Linking the model of the development of Pierce's Disease in grapevines to an understanding of the dynamics of gwss transmission of xylella fastidiosa to grapevines and grapevine gene expression markers of Pierce's Disease. Proceedings of the 2005 Pierce's Disease Symposium. p.34-38.SPATIAL POPULATION DYNAMICS AND OVERWINTERING BIOLOGY OF THE GLASSY-WINGED SHARPSHOOTER IN CALIFORNIA'S SAN JOAQUIN VALLEY.

- (Proceedings)Johnson, M., Daane, K., Groves, R.L., Backus, E.A. 2005. Spatial population dynamics and overwintering biology of the glassy-winged sharpshooter in California's San Joaquin Valley. Proceedings of the 2005 Pierce's Disease Research Symposium. p. 113-116.STYLET PENETRATION BY ADULT HOMALODISCA COAGULATA ON GRAPE: ELECTRICAL PENETRATION GRAPH WAVEFORM CHARACTERIZATION, TISSUE CORRELATION, AND POSSIBLE IMPLICATIONS FOR TRANSMISSION OF XYLELLA FASTIDIOSA

- (Peer Reviewed Journal)Backus, E.A., Habibi, J., Yan, F., Ellersieck, M. 2005. Stylet Penetration by Adult Homalodisca coagulata on Grape: Electrical Penetration Graph Waveform Characterization, Tissue Correlation, and Possible Implications for Transmission of Xylella fastidiosa. Annals of the Entomological Society of America. 98(6):787-813.GLASSY-WINGED SHARPSHOOTER MIDGUT GENE EXPRESSION (HEMIPTERA: CICADELLIDAE: HOMALODISCA COAGULATA

- (Abstract Only)Hunter, W.B., Katsar, C.S., Backus, E.A. 2005. Glassy-winged Sharpshooter midgut gene expression (Hemiptera: Cicadellidae: Homalodisca coagulata [abstract]. Entomology Society America Annual Meeting. Dec. 15-18. Ft. Lauderdale, FL. Paper No. 23182.SALIVARY GLAND GENE EXPRESSION IN GLASSY-WINGED SHARPSHOOTERS

- (Abstract Only)Sinisterra, X.H., Hunter, W.B., Katsar, C.S., Backus, E.A. 2005. Salivary gland gene expression in Glassy-winged sharpshooters [abstract]. Entomology Society America Annual Meeting. Paper No. 23209. December 15-18. Ft. Lauderdale, FL.WHY DO WE STUDY AUCHENORRHYNCHAN FEEDING PROCESSES?

- (Proceedings)Backus, E.A. 2005. Why do we study auchenorrhynchan feeding processes?. Proceedings of the 12th International Auchenorrhyncha Congress. p.I-6-7.BACKGROUND ON ELECTRICAL PENETRATION GRAPH (EPG) MONITORING IN THE STUDY OF AUCHENORRHYNCHAN FEEDING PROCESSES.

- (Proceedings)Backus, E.A. 2005. Background on electrical penetration graph (epg) monitoring in the study of auchenorrhynchan feeding processes. Proceedings of the 12th International Auchenorrhyncha Congress. p.S-1-2SPECIFIC STYLET ACTIVITIES BY SHARPSHOOTERS ARE INVOLVED IN INOCULATION OF XYLELLA FASTIDIOSA

- (Proceedings)Backus, E.A., Joost, P.H. 2005. Specific stylet activities by sharpshooters are involved in inoculation of xylella fastidiosa. Proceedings of the 12th. International Auchenorrhyncha Congress. p.P-1CELL-RUPTURE FEEDING BY EMPOASCA SPP.: HOW IT CAUSES HOPPERBURN AND PLANTS DEFEND AGAINST IT.

- (Proceedings)Ranger, C.M., Backus, E.A. 2005. Cell-rupture feeding by empoasca spp.: how it causes hopperburn and plants defend against it. Proceedings of the 12th. International Auchenorrhyncha Congress. p.S-5-6.DISCRIMINATION BY THE POTATO LEAFHOPPER (HOMOPTERA:  CICADELLIDAE) OF HOST VOLATILES FROM RESISTANT AND SUSCEPTIBLE ALFALFA, MEDICAGO SATIVA L.

- (Peer Reviewed Journal)Ranger, C.M., Winter, R.K., Rottinghaus, G.E., Backus, E.A., Ellersieck, M., Johnson, D. 2005. Discrimination by the potato leafhopper (homoptera:  cicadellidae) of host volatiles from resistant and susceptible alfalfa, medicago sativa l. Environmental Entomology. 34(2):271-280SPATIAL POPULATION DYNAMICS AND OVERWINTERING BIOLOGY OF THE GLASSY-WINGED SHARPSHOOTER, HOMALODISCA COAGULATA, IN CALIFORNIA'S SAN JOAQUIN VALLEY

- (Proceedings)Johnson, M., Groves, R.L., Backus, E.A., Daane, K. 2004. Spatial population dynamics and overwintering biology of the glassy-winged sharpshooter, Homalodisca coagulata, in California's San Joaquin Valley. Proceedings of the 2004 Pierce's Disease Research Symposium. p. 117-119.MASS SPECTRAL CHARACTERIZATION OF FATTY ACID AMIDES FROM ALFALFA TRICHOMES AND THEIR DETERRENCY AGAINST THE POTATO LEAFHOPPER

- (Peer Reviewed Journal)Ranger, C.M., Backus, E.A., Winter, R.K., Rottinghaus, G.E., Johnson, D.,  2005. Mass spectral characterization of fatty acid amides from alfalfa trichomes and their deterrency against the potato leafhopper. Phytochemistry. 66:529-542THE CONTRIBUTION OF THE PECTIN-DEGRADING ENZYME POLYGALACTURONASE (PG) IN TRANSMISSION OF XYLELLA FASTIDIOSA TO GRAPE AND USE OF PG-INHIBITOR PROTEINS FOR TRANSGENIC RESISTANCE TO PIERCE'S DISEASE

- (Proceedings)Labavitch, J., Backus, E.A., Morgan, D. 2004. The contribution of the pectin-degrading enzyme polygalacturonase (pg) in transmission of xylella fastidiosa to grape and use of pg-inhibitor proteins for transgenic resistance to pierce's disease. Proceedings of CDFA Pierce's Disease Control Program Research Symposium. p. 19-21.LINKING THE MODEL OF THE DEVELOPMENT OF PD GRAPEVINES TO AN UNDERSTANDING OF THE DYNAMICS OF GLASSY-WINGED SHARPSHOOTER TRANSMISSION OF XYLELLA FASTIDIOSA TO GRAPEVINES AND GRAPEVINE GENE EXPRESSION MARKERS OF PD

- (Proceedings)Labavitch, J., Backus, E.A., Matthews, M., Shackel, K. 2004. Linking the model of the development of pd grapevines to an understanding of the dynamics of glassy-winged sharpshooter transmission of xylella fastidiosa to grapevines and grapevine gene expression markers of PD. Proceedings of CDFA Pierce's Disease Control Program Research Symposium. p. 22-24.SHARPSHOOTER FEEDING BEHAVIOR IN RELATION TO TRANSMISSION OF THE PIERCE'S DISEASE BACTERIUM

- (Proceedings)Backus, E.A., Joost, P.H., Habibi, J., Shugart, H. 2004. Sharpshooter feeding behavior in relation to transmission of the Pierce's Disease bacterium. Proceedings of CDFA Pierce's Disease Control Program Research Symposium.  p. 84-87.MICRO-INJECTION OF LYGUS SALIVARY GLAND PROTEINS TO SIMULATE FEEDING DAMAGE IN ALFALFA AND COTTON FLOWERS

- (Peer Reviewed Journal)Shackel, K.A., Celorio-Mancera, M.P., Ahmadi, H., Greve, L.C., Tauber, L.B., Backus, E.A., Labavitch, J.M. 2005. Micro-injection of lygus salivary gland proteins to simulate feeding damage in alfalfa and cotton flowers. Archives of Insect Biochemistry and Physiology. 58: 69-83PRELIMINARY EVALUATION OF TWO BIOTYPES OF APHIS GOSSYPII ON THE TRANSMISSION OF CITRUS TRISTEZA VIRUS.

- (Abstract Only)Yokomi, R.K., Joost, J.H., Backus, E.A. 2004. Preliminary evaluation of two biotypes of aphis gossypii on the transmission of citrus tristeza virus. [Abstract] Conference of International Organization of Citrus Virologists. p.136.MECHANISMS OF HOPPERBURN:  AN OVERVIEW OF INSECT TAXONOMY, BEHAVIOR AND PHYSIOLOGY

- (Peer Reviewed Journal)Backus, E.A., Serrano, M.S., Ranger, C.M. 2004. Mechanisms of Hopperburn:  An Overview of Insect Yaxonomy, Behavior and Physiology. Annual Review Of Entomology. 2005.50:125-51BIOACTIVITY OF LIPOPHILIC METABOLITES FROM GLANDULAR TRICHOMES OF MEDICAGO SATIVA AGAINST THE POTATO LEAFHOPPER

- (Peer Reviewed Journal)Ranger, C., Winter, R., Rottinghaus, G., Backus, E.A., Ellersieck, M., Johnson, D. 2004. Bioactivity of lipophilic metabolites from glandular trichomes of Medicago sativa against the potato leafhopper. Journal of Chemical Ecology. 30(10):1969-1983VIDEO AND AC EPG WAVEFORM CORRELATIONS OF HOMALODISCA COAGULATA STYLET ACTIVITY DURING PROBING

- (Abstract Only)Joost, P.H., Backus, E.A. 2004. Video and AC EPG waveform correlations of Homalodisca coagulata stylet activity during probing. [abstract]. The 2004 ESA Annual Meeting and Exhibition. Available: http://esa.confex.com/esa/2004/techprogram/paper_17291.htm.DISCRIMINATION BY THE POTATO LEAFHOPPER OF HOST VOLATILES FROM RESISTANT AND SUSCEPTIBLE ALFALFA

- (Abstract Only)Winter, R., Ranger, C.M., Backus, E.A., Rottinghaus, G.E. 2004. Discrimination by the potato leafhopper of host volatiles from resistant and susceptible alfalfa. [abstract].  The 2004 ESA Annual Meeting and Exhibition. Available:http://esa.confex.com/esa/2004/techprogram/paper 17632.htmSPECIFIC STYLET ACTIVITIES BY SHARPSHOOTERS ARE INVOLVED IN INOCULATION OF XYLELLA FASTIDIOSA

- (Abstract Only)Backus, E.A., Joost, P., Yan, F. 2004. Specific stylet activities by sharpshooters are involved in inoculation of Xylella fastidiosa. Phytopathology. 94(6):S6.CORRELATION OF STYLET PENETRATION BEHAVIORS AND AN EPG WAVEFORM WITH INOCULATION OF XYLELLA FASTIDIOSA BY THE GLASSY-WINGED SHARPSHOOTER, HOMALODISCA COAGULATA

- (Abstract Only)Backus, E.A., Habibi, J., Yan, F. 2004. Correlation of stylet penetration behaviors and an epg waveform with inoculation of Xylella fastidiosa by the glassy-winged sharpshooter, Homalodisca coagulata [Abstract]. XXII International Congress of Entomology. Paper No. PS1S732.CORRELATIONS OF PROBING BEHAVIOR BY GLASSY-WINGED SHARPSHOOTER, HOMALODISCA COAGULATA (SAY), WITH AC ELECTRICAL PENETRATION GRAPH (EPG) WAVEFORMS USING VIDEO AND ARTIFICIAL DIETS

- (Abstract Only)Joost, P., Yan, F., Backus, E.A. 2004. Correlations of probing behavior by glassy-winged sharpshooter, Homalodisca coagulata (Say), with AC electrical penetration graph (EPG) waveforms using video and artificial diets [Abstract]. XXII International Congress of Entomology. Paper No. PS1S731.STYLET PENETRATION BEHAVIORS OF GRAPHOCEPHALA ATROPUNCTATA (SAY): EPG WAVEFORM CHARACTERIZATION AND QUANTIFICATION

- (Peer Reviewed Journal)Almeida, R.P., Backus, E.A. Stylet penetration behaviors of graphocephala atropunctata (say): epg waveform characterization and quantification. Annals of the Entomological Society of America. 97(4):838-851 (2004)GLANDULAR TRICHOME EXTRACTS FROM Medicago sativa DETER SETTLING BY THE POTATO LEAFHOPPER, Empoasca favae

- (Peer Reviewed Journal)Ranger, C.M., Backus, E.A., Winter, R.E., Rottinghaus, G.E., Ellersieck, M.R., Johnson, D.W. 2004. GLANDULAR TRICHOME EXTRACTS FROM Medicago sativa DETER SETTLING BY THE POTATO LEAFHOPPER, Empoasca fabae. Journal of Chemical Ecology. 30(5):927-943.UNDERSTANDING GLASSY-WINGED SHARPSHOOTER FEEDING: GENE EXPRESSION IN GWSS SALIVARY GLANDS AND MIDGUTS

- (Abstract Only)Hunter, W.B., Dang, P.M., Backus, E.A., Habibi, J., Morgan, D. 2003. Understanding glassy-winged sharpshooter feeding: Gene expression in GWSS salivary glands and midguts. CDFA Pierce's Disease Control Program Research Symposium.SHARPSHOOTER FEEDING BEHAVIOR IN RELATION TO INOCULATION OF PIERCE'S DISEASE

- (Other)Backus, E.A., Yan, F., Habibi, J. 2003. Sharpshooter feeding behavior in relation to inoculation of Pierce's Disease. [abstract] The 2003 ESA Annual Meeting and Exhibition. Available: http://esa.confex.com/esa/2003/techprogram/paper 12606.htm.Sharpshooter feeding behavior in relation to inoculation of Pierce's Disease bacterium, Xylella fastidiosa, in grape

- (Abstract Only)Backus, E.A., Yan, F., Habibi, J. 2004. Sharpshooter feeding behavior in relation to inoculation of Pierce's Disease bacterium, Xylella fastidiosa, in grape. [abstract]  Phytopathology. 93:S6.
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