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Christopher M Ranger
Research Entomologist
Research Entomologist
Christopher M. Ranger, Ph.D.
Application Technology Research Unit
1680 Madison Ave.
Wooster, Ohio 44691
(330) 464-0311
Chris Ranger’s research uses principles of chemical ecology, insect behavior, and plant-insect-fungal interactions to develop sustainable management tactics for insects infesting horticultural tree and food crops. This research directly supports and impacts the goals of ARS National Program 305-Crop Production. Chris is located at the Application Technology Research Unit (ATRU) in Wooster, Ohio. His research impact is broad in scope and involves national and international collaborations. Chris’ research is supported by funding from the USDA-ARS, USDA-NIFA-Specialty Crops Research Initiative, and the USDA-Floriculture and Nursery Research Initiative. Research efforts primarily address wood-boring ambrosia beetles that infest tree crops in ornamental nurseries, along with insect pests of food crops (i.e., gourmet mushrooms) grown in controlled environments.
Ongoing projects include:
Characterizing the impact of abiotic and biotic stressors on the susceptibility of horticultural tree crops to ambrosia beetles
Determining the role of stress induced compounds on the host selection and host colonization success of ambrosia beetles
Integrating repellents and attractants into a “push-pull” strategy for protecting tree crops from ambrosia beetles
Assessing the seasonal activity and dispersal of exotic ambrosia beetles in ornamental nursery agroecosystems
Elucidating the molecular and chemical mechanisms of mutualistic associations between ambrosia beetles and their nutritional fungal symbionts
Establishing management tactics for fungus gnats infesting gourmet oyster mushrooms within controlled environments.
Chris Ranger Google Scholar.
Please contact Chris if you are a stakeholder seeking to manage insect pests infesting horticultural crops grown within controlled environments, especially wood-boring ambrosia beetles.
Research Experience
| 2006−present | Research Entomologist (GS-15, 2019), USDA-ARS, Application Technology Research Unit, Wooster, OH |
| 2004−2006 | Postdoctoral Research Associate, Philip E. Marucci Center for Blueberry and Cranberry Research and Extension, Rutgers University, Chatsworth, NJ |
| 2000−2004 | Life Sciences Predoctoral Fellow, Department of Entomology, University of Missouri, Columbia, MO |
| 1997−1999 | Graduate Research Assistant, Department of Entomology, The Pennsylvania State University, University Park, PA |
Educational Background
| 2000−2004 | University of Missouri-Columbia; major: Entomology; Ph.D. |
| 1997−1999 | The Pennsylvania State University; major: Entomology; M.S. |
| 1992−1997 | The Ohio State University; major: Entomology; B.S. |
- (Clicking on the reprint icon
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- Volatiles of fungal cultivars act as cues for host-selection in the fungus-farming ambrosia beetle Xylosandrus germanus -(Peer Reviewed Journal)
Gugliuzzo, A., Kreuzwieser, J., Ranger, C.M., Tropea Garzia, G., Biondi, A., Biedermann, P.H. 2023. Volatiles of fungal cultivars act as cues for host-selection in the fungus-farming ambrosia beetle Xylosandrus germanus. Frontiers in Microbiology. 14. Article #1151078. https://doi.org/10.3389/fmicb.2023.1151078.
- Phenological observations and trapping tactics for the granulate ambrosia beetle Xylosandrus crassiusculus (Coleoptera: Curculionidae, Scolytinae) in New Zealand -(Peer Reviewed Journal)
Sutherland, R., Meurisse, N., Pugh, A., Ranger, C.M., Reding, M.E., Kerr, J., Russell, J., Withers, T. 2023. Phenological observations and trapping tactics for the granulate ambrosia beetle Xylosandrus crassiusculus (Coleoptera: Curculionidae, Scolytinae) in New Zealand. Agricultural and Forest Entomology. 25(3): 355-364. https://doi.org/10.1111/afe.12558. - Attraction of Myzus persicae (Hemiptera: Aphididae) to volatiles emitted from the entomopathogenic fungus Beauveria bassiana -(Peer Reviewed Journal)
Geedi, R., Canas, L., Reding, M.E., Ranger, C.M. 2022. Attraction of Myzus persicae (Hemiptera: Aphididae) to volatiles emitted from the entomopathogenic fungus Beauveria bassiana. Environmental Entomology. 52(1):31-38. https://doi.org/10.1093/ee/nvac100. - Species-specific effects of ethanol concentration on host colonization by four common species of ambrosia beetles -(Peer Reviewed Journal)
Cavaletto, G., Ranger, C.M., Reding, M.E., Montecchio, L., Rassati, D. 2022. Species-specific effects of ethanol concentration on host colonization by four common species of ambrosia beetles. Journal of Pest Science. 96:833-843. https://doi.org/10.1007/s10340-022-01537-w. - Stability of nuclear and mitochondrial reference genes in selected tissues of the ambrosia beetle Xylosandrus germanus -(Peer Reviewed Journal)
Patwa, N., Ranger, C.M., Lehenberger, M., Biedermann, P., Reding, M.E. 2021. Stability of nuclear and mitochondrial reference genes in selected tissues of the ambrosia beetle Xylosandrus germanus. Insects. 12(12). Article 1125. https://doi.org/10.3390/insects12121125. - Interception strategies for managing exotic ambrosia beetles (Coleoptera: Curculionidae) in nurseries -(Peer Reviewed Journal)
Reding, M.E., Ranger, C.M., Addesso, K., Werle, C.T., Oliver, J. 2022. Interception strategies for managing exotic ambrosia beetles (Coleoptera: Curculionidae) in nurseries. Journal of Entomological Science. 57(3):436-442. https://doi.org/10.18474/JES21-60. - Microbial control agents for fungus gnats (Diptera: Sciaridae: Lycoriella) affecting the production of oyster mushrooms, Pleurotus spp -(Peer Reviewed Journal)
Anderson, V., Sward, G.F., Ranger, C.M., Reding, M.E., Canas, L. 2021. Microbial control agents for fungus gnats (Diptera: Sciaridae: Lycoriella) affecting the production of oyster mushrooms, Pleurotus spp. Insects. 12(9). Article 786. https://doi.org/10.3390/insects12090786. - Can the non-native ambrosia beetle Xylosandrus germanus withstand an unusually cold winter in the West Carpathian forest in Central Europe? -(Peer Reviewed Journal)
Dzurenko, M., Kulfan, J., Galko, J., Holec, J., Saniga, M., Zubrik, M., Ranger, C.M., Zach, P. 2021. Can the non-native ambrosia beetle Xylosandrus germanus withstand an unusually cold winter in the West Carpathian forest in Central Europe? Folia Oecologica. 49(1):1-8. https://doi.org/10.2478/foecol-2022-0001. - Recent advances toward the sustainable management of invasive Xylosandrus ambrosia beetles -(Peer Reviewed Journal)
Gugliuzzo, A., Biedermann, P., Carrillo, D., Castrillo, L.A., Egonyu, J., Gallego, D., Haddi, K., Hulcr, J., Jactel, H., Kajimura, H., Kamato, N., Meurisse, N., Li, Y., Oliver, J., Ranger, C.M., Rassati, D., Stelinski, L.L., Sutherland, R., Tropea-Garza, G., Wright, M., Biondi, A. 2021. Recent advances toward the sustainable management of invasive Xylosandrus ambrosia beetles. Journal of Pest Science. 94:615-637. https://doi.org/10.1007/s10340-021-01382-3. - Ambrosia beetle response to ethanol concentration and host tree species -(Peer Reviewed Journal)
Cavaletto, G., Faccoli, M., Ranger, C.M., Rassati, D. 2021. Ambrosia beetle response to ethanol concentration and host tree species. Journal of Applied Entomology. 145(8):800-809. https://doi.org/10.1111/jen.12895. - Electrophysiological and behavioral responses of an ambrosia beetle to volatiles of its nutritional fungal symbiont -(Peer Reviewed Journal)
Ranger, C.M., Dzurenko, M., Barnett, J.L., Geedi, R., Castrillo, L.A., Ethington, M., Ginzel, M., Addesso, K., Reding, M.E. 2021. Electrophysiological and behavioral responses of an ambrosia beetle to volatiles of its nutritional fungal symbiont. Journal of Chemical Ecology. 47:463-475. https://doi.org/10.1007/s10886-021-01263-0. - Colonization of trees by ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) is influenced by duration of flood stress -(Peer Reviewed Journal)
Reding, M.E., Ranger, C.M., Schultz, P.B. 2021. Colonization of trees by ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) is influenced by duration of flood stress. Journal of Economic Entomology. 114(2):839-847. https://doi.org/10.1093/jee/toab021. - Effects of chlorantraniliprole residual on Helicoverpa zea in Bt and non-Bt cotton -(Peer Reviewed Journal)
Babu, A., Reisig, D.D., Pes, M.P., Ranger, C.M., Chamkasem, N., Reding, M.E. 2021. Effects of chlorantraniliprole residual on Helicoverpa zea in Bt and non-Bt cotton. Pest Management Science. 77(5):2367-2374. https://doi.org/10.1002/ps.6263. - Differential flight responses of two ambrosia beetles to ethanol as indicators of invasion biology: The case with Kuroshio shot hole borer (Euwallacea kuroshio) and fruit tree pinhole borer (Xyleborinus saxesenii) -(Peer Reviewed Journal)
Chen, Y., Coleman, T.W., Ranger, C.M., Seybold, S.J. 2021. Differential flight responses of two ambrosia beetles to ethanol as indicators of invasion biology: The case with Kuroshio shot hole borer (Euwallacea kuroshio) and fruit tree pinhole borer (Xyleborinus saxesenii). Ecological Entomology. 46(3):651-667. https://doi.org/10.1111/een.13013. - Origin of non-native Xylosandrus germanus, an invasive pest ambrosia beetle in Europe and North America -(Peer Reviewed Journal)
Dzurenko, M., Ranger, C.M., Hulcr, J., Galko, J., Kanuch, P. 2020. Origin of non-native Xylosandrus germanus, an invasive pest ambrosia beetle in Europe and North America. Journal of Pest Science. 94(2):553-562. https://doi.org/10.1007/s10340-020-01283-x. - Scolytinae in nursery and fruit crops of western Kentucky and seasonal population patterns of four invasive ambrosia beetles -(Peer Reviewed Journal)
Viloria, Z., Villanueva, R., Bessin, R., O'Neil, P., Ranger, C.M., Dunwell, W. 2021. Scolytinae in nursery and fruit crops of western Kentucky and seasonal population patterns of four invasive ambrosia beetles. Journal of Economic Entomology. 56(3):374-386. https://doi.org/10.18474/JES20-50. - Thiamethoxam differentially impacts the survival of the generalist predators, Orius insidiosus (Hemiptera: Anthocoridae) and Hippodamia convergens (Coleoptera: Coccinellidae), when exposed via the food chain -(Peer Reviewed Journal)
Esquivel, C., Martinez, E., Baxter, R., Trabanino, R., Ranger, C.M., Michel, A., Canas, L. 2020. Thiamethoxam differentially impacts the survival of the generalist predators, Orius insidiosus (Hemiptera: Anthocoridae) and Hippodamia convergens (Coleoptera: Coccinellidae), when exposed via the food chain. Journal of Insect Science. https://doi.org/10.1093/jisesa/ieaa070. - Semiochemical-mediated host selection by Xylosandrus spp. ambrosia beetles (Coleoptera: Curculionidae) attacking horticultural tree crops: A review of basic and applied science -(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Adesso, K., Ginzel, M., Rassati, D. 2021. Semiochemical-mediated host selection by Xylosandrus spp. ambrosia beetles (Coleoptera: Curculionidae) attacking horticultural tree crops: A review of basic and applied science. The Canadian Entomologist. 153(1):103-120. https://doi.org/10.4039/tce.2020.51. - Long-lasting insecticide netting for protecting tree stems from attack by ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) -(Peer Reviewed Journal)
Ranger, C.M., Werle, C.T., Schultz, P.B., Addesso, K.M., Oliver, J.B., Reding, M.E. 2019. Long-lasting insecticide netting for protecting tree stems from attack by ambrosia beetles (Coleoptera: Curculionidae: Scolytinae). Insects. 11(1):8. https://doi.org/10.3390/insects11010008. - Attraction of invasive ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) to ethanol-treated tree bolts -(Peer Reviewed Journal)
Reding, M.E., Ranger, C.M. 2019. Attraction of invasive ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) to ethanol-treated tree bolts. Journal of Economic Entomology. 113(1): 321-329. https://doi.org/10.1093/jee/toz282. - Fungal pathogen and ethanol affect host selection and colonization success in ambrosia beetles -(Peer Reviewed Journal)
Rassati, D., Contarini, M., Ranger, C.M., Cavaletto, G., Rossini, L., Speranza, S., Faccoli, M., Marini, L. 2019. Fungal pathogen and ethanol affect host selection and colonization success in ambrosia beetles. Agricultural and Forest Entomology. 22(1):1-9. https://doi.org/10.1111/afe.12351. - Distribution, habitat preference, and management of the invasive ambrosia beetle Xylosandrus germanus (Coleoptera: Curculionidae, Scolytinae) in European forests with emphasis on the West Carpathians -(Peer Reviewed Journal)
Galko, J., Dzurenko, M., Ranger, C.M., Kulfan, J., Kula, E., Nikolov, C., Zubrik, M., Zach, P. 2018. Distribution, habitat preference, and management of the invasive ambrosia beetle Xylosandrus germanus (Coleoptera: Curculionidae, Scolytinae) in European forests with emphasis on the West Carpathians. Forests. 10(1):10. https://doi.org/10.3390/f10010010. - Trap tree and interception trap techniques for management of ambrosia beetles (Coleoptera: Curculionidae) in nursery production -(Peer Reviewed Journal)
Addesso, K., Oliver, J., Youssef, N., O'Neal, P., Ranger, C.M., Reding, M.E., Werle, C.T. 2019. Trap tree and interception trap techniques for management of ambrosia beetles (Coleoptera: Curculionidae) in nursery production. Journal of Economic Entomology. 112(2):753-762. https://doi.org/10.1093/jee/toy413. - Weekly survivorship curves of soybean aphid biotypes 1 and 4 on insecticidal seed treated soybean-(Peer Reviewed Journal)
- Freeze stress of deciduous trees induces attacks by opportunistic ambrosia beetles -(Peer Reviewed Journal)
Ranger, C.M., Schultz, P.B., Frank, S., Reding, M.E. 2018. Freeze stress of deciduous trees induces attacks by opportunistic ambrosia beetles. Agricultural and Forest Entomology. 21(2):168-179. https://doi.org/10.1111/afe.12317. - Interaction of a preventative fungicide treatment and root rot pathogen on ambrosia beetle attacks during a simulated flood event -(Peer Reviewed Journal)
Addesso, K., Baysal-Gurel, F., Oliver, J., Ranger, C.M., O'Neal, P. 2018. Interaction of a preventative fungicide treatment and root rot pathogen on ambrosia beetle attacks during a simulated flood event. Insects. 9:1-11. doi:10.3390/insects9030083. - Inordinate fondness for alcohol benefits fungus-farming by ambrosia beetles-(Peer Reviewed Journal)
Ranger, C.M., Biedermann, P., Phuntumart, V., Benz, Y.P., Beligala, G.U., Ghosh, S., Palmquist, D.E., Mueller, R., Barnett, J.L., Schultz, P., Reding, M.E. 2018. Inordinate fondness for alcohol benefits fungus-farming by ambrosia beetles. Proceedings of the National Academy of Sciences. 115:4447-4452. - Comparison of baited bottle and multiple-funnel traps for ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) in Eastern USA-(Peer Reviewed Journal)
- Residue age and tree attractiveness influence efficacy of insecticide treatments against ambrosia beetles (Coleoptera: Curculionidae)-(Peer Reviewed Journal)
Reding, M.E., Ranger, C.M. 2017. Residue age and tree attractiveness influence efficacy of insecticide treatments against ambrosia beetles (Coleoptera: Curculionidae). Journal of Economic Entomology. 111:269-276. - Interaction of insecticide and media moisture on ambrosia beetle (Coleoptera: Curculionidae) attacks on ornamental trees -(Peer Reviewed Journal)
Anderson, A., Ranger, C.M., Frank, S. 2017. Interaction of insecticide and media moisture on ambrosia beetle (Coleoptera: Curculionidae) attacks on ornamental trees. Environmental Entomology. 46:1390-1396. - Book review of advances in insect physiology: pine bark beetles-(Review Article)
- Trap deployments in black walnut tree canopies help inform monitoring strategies for bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) -(Peer Reviewed Journal)
Klingeman, W.E., Bray, A.M., Oliver, J.B., Ranger, C.M., Palmquist, D.E. 2017. Trap deployments in black walnut tree canopies help inform monitoring strategies for bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae). Environmental Entomology. https://doi:10.1093/ee/nvx133. - Single and combination insecticides evaluated as regulatory immersion treatments to eliminate third-instar Japanese beetle (Coleoptera: Scarabaeidae) from small diameter field-grown and containerized nursery plants-(Peer Reviewed Journal)
Oliver, J., Ranger, C.M., Reding, M.E., Youssef, N., Moyseenko, J. 2017. Single and combination insecticides evaluated as regulatory immersion treatments to eliminate third-instar Japanese beetle (Coleoptera: Scarabaeidae) from small diameter field-grown and containerized nursery plants. Journal of Entomological Science. 52:274-287. - Validation of laser-guided variable-rate sprayer for managing insects in ornamental nurseries -(Peer Reviewed Journal)
Zhu, H., Rosetta, R., Reding, M.E., Zondag, R., Ranger, C.M., Canas, L., Fulcher, A., Krause, C.R., Derksen, R.C., Ozkan, E. 2017. Validation of laser-guided variable-rate sprayer for managing insects in ornamental nurseries. Transactions of the ASABE. 60(2): 337-345. - First report of a sexual state in an ambrosia fungus: Ambrosiella cleistominuta sp. nov. associated with the ambrosia beetle Anisandrus maiche -(Peer Reviewed Journal)
Mayers, C., Harrington, T., Ranger, C.M. 2017. First report of a sexual state in an ambrosia fungus: Ambrosiella cleistominuta sp. nov. associated with the ambrosia beetle Anisandrus maiche. Botany. 95:503-512. - Comparative morphology and distribution of antennal sensilla on Xylosandrus germanus and Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) -(Peer Reviewed Journal)
Ranger, C.M., Horst, L., Barnett, J.L., Reding, M.E., Anderson, B.A., Krause, C.R. 2017. Comparative morphology and distribution of antennal sensilla on Xylosandrus germanus and Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae). Annals of the Entomological Society of America. 110:172-188. - Flood stress as a technicque to assess preventive insecticide and fungicide treatments for protecting trees against ambrosia beetles -(Peer Reviewed Journal)
Ranger, C.M., Schultz, P.B., Reding, M.E., Frank, S.D. 2016. Flood stress as a technicque to assess preventive insecticide and fungicide treatments for protecting trees against ambrosia beetles. Insects. 7(3) 40; doi:10.3390/insects7030040. - Ethanol-injection induces attacks by ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) on a variety of tree species -(Peer Reviewed Journal)
Reding, M.E., Ranger, C.M., Oliver, J.B., Schultz, P.B., Youssef, N.N., Bray, A.M. 2016. Ethanol-injection induces attacks by ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) on a variety of tree species. Agricultural and Forest Entomology. DOI: 10.1111/afe.12178. - Developing a media moisture threshold for nurseries to reduce tree stress and ambrosia beetle attacks -(Peer Reviewed Journal)
Frank, S.D., Ranger, C.M. 2016. Developing a media moisture threshold for nurseries to reduce tree stress and ambrosia beetle attacks. Environmental Entomology. doi: 10.1093/ee/nvw076. - Biology, ecology, and management of Xylosandrus spp. ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) in ornamental tree nurseries -(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Schultz, P., Oliver, J., Frank, S., Addesso, K., Chong, J., Sampson, B.J., Werle, C.T., Gill, S., Krause, C.R. 2016. Biology, ecology, and management of Xylosandrus spp. ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) in ornamental tree nurseries. Journal of Integrated Pest Management. 7(1):9; 1-23. - Efficacious insect and disease control with laser-guided air-assisted sprayer -(Proceedings)
Zhu, H., Rosetta, R., Reding, M.E., Zondag, R., Ranger, C.M., Canas, L., Fulcher, A., Krause, C.R., Shen, Y., Liu, H., Chen, Y., Ozkan, E., Derksen, R.C., Locke, J.C., Ernst, S. 2015. Efficacious insect and disease control with laser-guided air-assisted sprayer. 13th Workshop on Spray Application in Fruit Growing, SuproFruit 2015, July 15-18, 2015, Lindau/Lake Constance, Germany. 80-82. - Non-native ambrosia beetles as opportunistic exploiters of living but weakened trees -(Peer Reviewed Journal)
Ranger, C.M., Schultz, P., Frank, S., Chong, J.H., Reding, M.E. 2015. Non-native ambrosia beetles as opportunistic exploiters of living but weakened trees. PLoS One. DOI: 10.1371/journal.pone.0131496. - Movement of Xylosandrus germanus (Coleoptera: Curculionidae) in ornamental nurseries and surrounding habitats -(Peer Reviewed Journal)
Reding, M.E., Ranger, C.M., Sampson, B.J., Werle, C.T., Oliver, J.B., Schultz, P.P. 2015. Movement of Xylosandrus germanus (Coleoptera: Curculionidae) in ornamental nurseries and surrounding habitats. Journal of Economic Entomology. DOI: 10.1093/jee/tov174. - Insecticides evaluated as regulatory immersion treatments to eliminate third-instar Japanese beetles (Coleoptera: Scarabaeidae) from small-diameter field-grown nursery plants -(Peer Reviewed Journal)
Oliver, J., Reding, M.E., Ranger, C.M., Klein, M., Youssef, N., Moyseenko, J., Dennis, S. 2016. Insecticides evaluated as regulatory immersion treatments to eliminate third-instar Japanese beetles (Coleoptera: Scarabaeidae) from small-diameter field-grown nursery plants. Journal of Entomological Science. 51:9-28. - Measurement of semiochemical release rates with a dedicated environmental control system -(Peer Reviewed Journal)
Zhu, H., Thistle, H.W., Ranger, C.M., Zhou, H., Strom, B.L. 2015. Measurement of semiochemical release rates with a dedicated environmental control system. Biosystems Engineering. 129:277-287. - The effect of application method on the temporal and spatial distribution of neonicotinoid insecticides in greenhouse zinnia and impact on aphid populations -(Peer Reviewed Journal)
Derksen, R.C., Canas, L.A., Ranger, C.M., Reding, M.E. 2015. The effect of application method on the temporal and spatial distribution of neonicotinoid insecticides in greenhouse zinnia and impact on aphid populations. Applied Engineering in Agriculture. 31:211-216. - Development of laser-guided precision sprayers for tree crop applications-(Abstract Only)
Zhu, H., Liu, H., Shen, Y., Chen, Y., Gu, J., Ozkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S., Zondag, R., Fulcher, A., Rosetta, R. 2014. Development of laser-guided precision sprayers for tree crop applications. Proceedings for CIGR World Congress Meetings. Http://www.geyseco.es.geystiona/adjs/comunicationes/304/C00930001.pdf. - Research on ambrosia beetles informs prevention and management-(Abstract Only)
Hulcr, J., Bateman, C., Smith, J., Frank, S., Ranger, C.M., Kendra, P.E., Wakarchuk, D., Carillo, D., Pena, J., Labonte, J., Hughes, M. 2014. Research on ambrosia beetles informs prevention and management. (Meeting Abstract). XXIV World Congress of the International Union of Forest Research Organization, Salt Lake City, UT.(5-11 Oct 2014) - Ubiquitous volatile compound facilitates efficient host location by a non-native ambrosia beetle -(Peer Reviewed Journal)
Ranger, C.M., Tobin, P., Reding, M.E. 2014. Ubiquitous volatile compound facilitates efficient host location by a non-native ambrosia beetle. Biological Invasions. DOI: 10.1007/s10530-014-0758-2. - Current projects of the Application Technology Research Unit (ATRU) USDA-ARS, Wooster/Toledo, Ohio-(Popular Publication)
Krause, C.R., Altland, J.E., Boldt, J.K., Derksen, R.C., Locke, J.C., Ranger, C.M., Reding, M.E., Zhu, H., Zellner, W.L. 2014. Current projects of the Application Technology Research Unit (ATRU) USDA-ARS, Wooster/Toledo, Ohio. The Buckeye. 25(4):18-20. - Conophthorin enhances the electroantennogram and field behavioral response of Xylosandrus germanus (Coleoptera: Curculionidae) to ethanol -(Peer Reviewed Journal)
Ranger, C.M., Gorzlancyk, A.M., Addesso, K., Oliver, J.B., Reding, M.E., Schultz, P.B., Held, D.W. 2014. Conophthorin enhances the electroantennogram and field behavioral response of Xylosandrus germanus (Coleoptera: Curculionidae) to ethanol. Agricultural and Forest Entomology. DOI 10.1111/afe 12062. - Capture of Cnestus mutilatus (Blandford), Xylosandrus crassiusculus (Motschulsky), and other Scolytinae (Coleoptera, Curculionidae) in response to green light emitting diodes, ethanol, and conophthorin -(Peer Reviewed Journal)
Gorzlancyk, A.M., Held, D.W., Ranger, C.M., Barwary, Z. 2014. Capture of Cnestus mutilatus (Blandford), Xylosandrus crassiusculus (Motschulsky), and other Scolytinae (Coleoptera, Curculionidae) in response to green light emitting diodes, ethanol, and conophthorin. Florida Entomologist. 97:301-303. - Development of variable-rate precision spraying systems for tree crop production-(Proceedings)
Zhu, H., Chen, Y., Lu, H., Shen, Y., Jeon, H., Gu, J., 0zkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S., Zondag, R., Fulcher, A., Rosetta, R. 2013. Development of variable-rate precision spraying systems for tree crop production. Workshop Proceedings. 12th Workshop on Spray Application Techniques in Fruit Growing (Suprofruit 2013), June 26-28, 2013, Valencia, Spain. p. 123-125. - Monitoring attack and flight activity of Xylosandrus spp. (Coleoptera: Curculionidae: Scolytinae); the influence of temperature on activity -(Peer Reviewed Journal)
Reding, M.E., Ranger, C.M., Oliver, J.B., Schultz, P.B. 2013. Monitoring attack and flight activity of Xylosandrus spp. (Coleoptera: Curculionidae: Scolytinae); the influence of temperature on activity. Journal of Economic Entomology. 106:1780-1787. - Capture of Xylosandrus crassiusculus and other Scolytinae (Coleoptera, Curculionidae) in response to visual and volatile cues -(Peer Reviewed Journal)
Gorzlancyk, A.M., Held, D.W., Kim, D., Ranger, C.M. 2014. Capture of Xylosandrus crassiusculus and other Scolytinae (Coleoptera, Curculionidae) in response to visual and volatile cues. Florida Entomologist. 96:1097-1101. - Preharvest quarantine treatments of Chlorantraniliprole,Clothianidin, & Imidacloprid-based insecticides for control of Japanese beetle Coleoptera:Scarabaeidae)& other scarab larvae in the root zone of field-grown nurserytrees -(Peer Reviewed Journal)
Oliver, J., Ranger, C.M., Reding, M.E., Moyseenko, J.J., Youssef, N., Bray, A. 2013. Preharvest quarantine treatments of Chlorantraniliprole, Clothianidin, and Imidacloprid-based insecticides for control of Japanese beetle (Coleoptera:Scarabaeidae) and other scarab larvae in the root zone of field-grown nursery trees. Journal of Economic Entomology. 106:1190-1199. - Interruption of the semiochemical-based attraction of ambrosia beetles to ethanol-baited traps and ethanol-injected trap trees by Verbenone-(Peer Reviewed Journal)
Ranger, C.M., Tobin, P., Reding, M.E., Bray, A., Oliver, J., Schultz, P., Frank, S., Persad, A. 2013. Interruption of the semiochemical-based attraction of ambrosia beetles to ethanol-baited traps and ethanol-injected trap trees by Verbenone. Environmental Entomology. 42:539-547. - Biology, Behavior, and Management of Ambrosia Beetles Attacking Ornamental Nursery Stock-(Popular Publication)
Ranger, C.M., Reding, M.E., Schultz, P., Oliver, J. 2013. Biology, Behavior, and Management of Ambrosia Beetles Attacking Ornamental Nursery Stock. OFA Bulletin. 937:20-23. - Acute toxicity of plant essential oils to scarab larvae (Coleoptera: Scarabaeidae) and their analysis by gas chromatography-mass spectrometry-(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Oliver, J., Moyseenko, J.J., Youssef, N., Krause, C.R. 2013. Acute toxicity of plant essential oils to scarab larvae (Coleoptera: Scarabaeidae) and their analysis by gas chromatography-mass spectrometry. Journal of Economic Entomology. 106(1):159-167. - Ethanol injection of ornamental trees facilitates testing insecticide efficacy against ambrosia beetles (Coleoptera: Curculionidae: Scolytinae)-(Peer Reviewed Journal)
Reding, M.E., Oliver, J.B., Schultz, P.B., Ranger, C.M., Youssef, N.N. 2013. Ethanol injection of ornamental trees facilitates testing insecticide efficacy against ambrosia beetles (Coleoptera: Curculionidae: Scolytinae). Journal of Economic Entomology. 106:289-298. - Effect of emerald ash borer on structure and material properties of ash trees-(Peer Reviewed Journal)
Persad, A., Siefer, J., Kirby, S., Montan, R., Rocha, O., Reding, M.E., Ranger, C.M. 2013. Effect of emerald ash borer on structure and material properties of ash trees. Arboriculture and Urban Forestry. 39:11-16. - Two intelligent spraying systems developed for tree crop production-(Abstract Only)
Zhu, H., Ozkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S.C., Zondag, R.H., Fulcher, A., Rosetta, R., Jeon, H.Y., Chen, Y., Gu, J., Liu, H., Shen, Y., Rios, A.A. 2012. Two intelligent spraying systems developed for tree crop production. Meeting Abstract. 6th National Small Farm Conference,Memphis TN, September 18-20, 2012. p. 69-70. - Development of smart spray systems to enhance delivery of pesticides in field nursery production-(Abstract Only)
Zhu, H., Ozkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S., Zondag, R., Fulcher, A., Rosetta, R., Jeon, H.Y., Chen, Y., Gu, J., Liu, H., Shen, Y., Rios, A. 2012. Development of smart spray systems to enhance delivery of pesticides in field nursery production. Annual Meeting of the American Phytopathological Society. Meeting Abstract, August 5-8, 2012, Providence, Rhode Island. #173-P. - Influence of flood-stress on ambrosia beetle host-selection and implications for their management in a changing climate-(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Schultz, P., Oliver, J. 2012. Influence of flood-stress on ambrosia beetle host-selection and implications for their management in a changing climate. Agricultural and Forest Entomology. DOI: 10.1111/j.1461-9563.2012.00591.x. - Development of Intelligent Spray Systems for Nursery Crop Production-(Abstract Only)
Zhu, H., Ozkan, E., Derksen, R.C., Ranger, C.M., Reding, M.E., Canas, L., Krause, C.R., Locke, J.C., Ernst, S.C., Zondag, R.H., Fulcher, A., Rosetta, R., Jeon, H.Y., Chen, Y., Gu, J., Hui, L., Shen, Y., Rios, A.A. 2012. Development of Intelligent Spray Systems for Nursery Crop Production. Meeting Abstract. 2012 ASHS Annual Conference, Miami Florida, July 31-August 3, 2012, Paper #8392. - Ambrosia beetle (Coleoptera: Curculionidae) responses to volatile emissions associated with ethanol-injected Magnolia virginiana L.-(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Schultz, P., Oliver, J. 2012. Ambrosia beetle (Coleoptera: Curculionidae) responses to volatile emissions associated with ethanol-injected Magnolia virginiana L. Environmental Entomology. 41(3):636-647. - Implications for pesticide delivery and insecticide selection using chemical analysis of plant tissue and efficacy-(Peer Reviewed Journal)
Derksen, R.C., Canas, L.A., Ranger, C.M., Reding, M.E., Ozkan, H.E. 2012. Implications for pesticide delivery and insecticide selection using chemical analysis of plant tissue and efficacy. International Advances in Pesticide Application --Aspects of Applied Biology. 114: 279-286. - Optimizing ethanol-baited traps for monitoring damaging ambrosia beetles (Coleoptera: Curculionidae, Scolytinae) in ornamental nurseries-(Peer Reviewed Journal)
Reding, M.E., Schultz, P.B., Ranger, C.M., Oliver, J.B. 2011. Optimizing ethanol-baited traps for monitoring damaging ambrosia beetles (Coleoptera: Curculionidae, Scolytinae) in ornamental nurseries. Journal of Economic Entomology. 104:2017-2024. - Comparative efficacy of plant-derived essential oils for managing Ambrosia beetles (Coleoptera: Curculionidae: Scolytiniae) and their corresponding mass spectral characterization-(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Oliver, J., Schultz, P., Moyseenko, J.J., Youssef, N. 2011. Comparative efficacy of plant-derived essential oils for managing Ambrosia beetles (Coleoptera: Curculionidae: Scolytiniae) and their corresponding mass spectral characterization. Journal of Economic Entomology. 104(5):1665-1674. - Virulence of Beauveria bassiana and Metarhizium anisopliae (Ascomycota: Hypocreales) commercial strains against adult Xylosandrus germanus (Coleoptera: Scolytidae) and impact on brood-(Peer Reviewed Journal)
Castrillo, L., Griggs, M., Ranger, C.M., Reding, M.E., Vandenberg, J.D. 2011. Virulence of Beauveria bassiana and Metarhizium anisopliae (Ascomycota: Hypocreales) commercial strains against adult Xylosandrus germanus (Coleoptera: Scolytidae) and impact on brood. Biological Control. 58(2):121-126. - Development of Two Intelligent Spray Systems for Ornamental Nurseries-(Proceedings)
Zhu, H., Jeon, H., Chen, Y., Gu, J., Ozkan, H., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Zondag, R.H., Ernst, S.C., Fulcher, A., Rosetta, R. 2012. Development of Two Intelligent Spray Systems for Ornamental Nurseries. International Plant Propagators Proceedings. 60:41-46. - Species dependent influence of (-)alpha pinene on attraction of ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) to ethanol-baited traps in nursery agroecosystems-(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Gandhi, K., Oliver, J., Schultz, P., Canas, L., Herms, D. 2011. Species dependent influence of (-)alpha pinene on attraction of ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) to ethanol-baited traps in nursery agroecosystems. Journal of Economic Entomology. 104(2):574-579. - Systemic Insecticides Reduce Feeding, Survival and Fecundity of Adult Black Vine Weevils (Coleoptera: Curculionidae) on a Variety of Ornamental Nursery Crops-(Peer Reviewed Journal)
Reding, M.E., Ranger, C.M. 2011. Systemic insecticides reduce feeding, survival and fecundity of adult black vine weevils (Coleoptera: Curculionidae) on a variety of ornamental nursery crops. Journal of Economic Entomology. 104(4):405-413. - A Rare Excitatory Amino Acid from Flowers of Zonal Geranium responsible for Paralyzing the Japanese Beetle-(Peer Reviewed Journal)
Ranger, C.M., Winter, R.E., Singh, M.E., Reding, M.E., Frantz, J., Locke, J.C., Krause, C.R. 2011. A rare excitatory amino acid from flowers of zonal geranium responsible for paralyzing the Japanese beetle. Proceedings of the National Academy of Sciences. 108(4):1217-1221. - Greenhouse Evaluation of Air-Assist Delivery Parameters for Mature Poinsettias-(Peer Reviewed Journal)
Derksen, R.C., Ranger, C.M., Canas, L.A., Zhu, H., Krause, C.R. 2010. Greenhouse evaluation of air-assist delivery parameters for mature poinsettias. Applied Engineering in Agriculture. 26(6):947-953. - Evaluation of a single application of Neonicotnoid and multi-application contact insecticides for flatheaded borer management in field grown Acer rubrum L. cultivars-(Peer Reviewed Journal)
Oliver, J.B., Fare, D.C., Youssef, N., Scholl, S., Reding, M.E., Ranger, C.M., Moyseenko, J.J., Halcomb, M.A. 2010. Evaluation of a single application of Neonicotnoid and multi-application contact insecticides for flatheaded borer management in field grown Acer rubrum L. cultivars. Journal of Environmental Horticulture. 28(3):135-149. - Monitoring Flight Activity of Ambrosia Beetles in Ornamental Nurseries with Ethanol-Baited Traps: Influence of Trap Height on Captures-(Peer Reviewed Journal)
Reding, M.E., Oliver, J., Schultz, P., Ranger, C.M. 2010. Monitoring Flight Activity of Ambrosia Beetles in Ornamental Nurseries with Ethanol-Baited Traps: Influence of Trap Height on Captures. Journal of Environmental Horticulture. 28:85-90. - Evaluation of Handgun and Broadcast Systems for Spray Deposition in Greenhouse Poinsettia Canopies-(Peer Reviewed Journal)
Derksen, R.C., Ranger, C.M., Canas, L.A., Locke, J.C., Zhu, H., Krause, C.R. 2010. Evaluation of Handgun and Broadcast Systems for Spray Deposition in Greenhouse Poinsettia Canopies. Transactions of the ASABE. 53(1): 5-12. - ARS Nursery and Floricultural Crop Research in Ohio-(Popular Publication)
Krause, C.R., Altland, J.E., Derksen, R.C., Frantz, J., Locke, J.C., Ranger, C.M., Reding, M.E., Zhu, H. 2009. ARS Nursery and Floricultural Crop Research in Ohio. The Buckeye. December 2009, pg 19-21. - Development of an Odor-Based Trap Tree Strategy for Ambrosia Beetles Infesting Ornamental Nurseries-(Abstract Only)
Ranger, C.M., Reding, M.E., Oliver, J., Schultz, P. 2009. Development of an Odor-Based Trap Tree Strategy for Ambrosia Beetles Infesting Ornamental Nurseries. National Entomological Society of America Annual Meeting, December 13-16, 2009, Indianapolis, Indiana. - Electrophysiological and Behavioral Responses of the Ambrosia Beetle, Xylosandrus germanus, to Repellent Formulations-(Abstract Only)
Ranger, C.M., Reding, M.E., Oliver, J., Schultz, P. 2009.Electrophysiological and Behavioral Responses of the Ambrosia Beetle, Xylosandrus germanus, to Repellent Formulations. National Entomological Society of America Annual Meeting, December 13-16, 2009, Indianapolis, Indiana. - Acute Toxicity of Essential Oils to Japanese Beetle Larvae and their Corresponding Mass Spectral Analysis-(Abstract Only)
Ranger, C.M., Reding, M.E., Oliver, J. 2009. Acute Toxicity of Essential Oils to Japanese Beetle Larvae and their Corresponding Mass Spectral Analysis. National Meeting of Entomological Society Of America, December 13-16, 2009, Indianapolis Indiana. - Monitoring Ambrosia Beetles with Ethanol-Injected Sentinel Trees and Ethanol-Baited Bottle Traps in Ornamental Nurseries-(Abstract Only)
Reding, M.E., Ranger, C.M., Schultz, P., Oliver, J. 2009. Monitoring Ambrosia Beetles with Ethanol-Injected Sentinel Trees and Ethanol-Baited Bottle Traps in Ornamental Nurseries. Entomological Society of America Proceedings, December 13-16, 2009, Indianapolis, Indiana. - Performance of Oriental Beetle (Coleoptera: Scarabaeidae) on Woody Nursery Crops-(Abstract Only)
Reding, M.E., Ranger, C.M. 2009. Performance of Oriental Beetle (Coleoptera: Scarabaeidae) on Woody Nursery Crops. Entomological Society of America Proceedings. - Ability of Stress-Related Volatiles to Attract and Induce Attacks by Xylosandrus Germanus (Coleoptera: Curculionidae, Scolytinae) and Other Ambrosia Beetles-(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Persad, A.B., Herms, D.A. 2010. Ability of Stress-Related Volatiles to Attract and Induce Attacks by Xylosandrus Germanus (Coleoptera: Curculionidae, Scolytinae) and Other Ambrosia Beetles. Agricultural and Forest Entomology. 12:177-185. - Comparison of Handgun and Boom Spray Delivery Systems for Greenhouses-(Proceedings)
Derksen, R.C., Ranger, C.M., Canas, L.A., Locke, J.C., Zhu, H., Krause, C.R. 2009. Comparison of Handgun and Boom Spray Delivery Systems for Greenhouses. ASABE Annual International Meeting, June 21-24, 2009, Reno, Nevada. ASABE Paper #97453. - Field Evaluation of Essential Oils for Reducing Attraction by the Japanese Beetle (Coleoptera: Scarabaeidae)-(Peer Reviewed Journal)
Youssef, N.N., Oliver, J.B., Ranger, C.M., Reding, M.E., Moyseenko, J.J., Klein, M.G., Pappas, R.S. 2009. Field Evaluation of Essential Oils for Reducing Attraction by the Japanese Beetle (Coleoptera: Scarabaeidae). Journal of Economic Entomology. 102:1551-1558. - Toxicity of botanical formulations to nursery-infesting white grubs (Coleoptera: Scarabaeidae)-(Abstract Only)
Ranger, C.M., Reding, M.E., Oliver, J.B., Moyseenko, J.J., Youseef, N.N. 2009. Toxicity of botanical formulations to nursery-infesting white grubs (Coleoptera: Scarabaeidae). NCB-ESA North Central Branch Entomological Society of America.Available: http://www.esancb.org/files/ampdf/am2008.pdf - Leafhopper control in filed-grown red maples with systemic insecticides-(Abstract Only)
Oliver, J.B., Fare, D.C., Ranger, C.M., Youssef, N.N., Scholl, S., Halcomb, M.A., Reding, M.E., Moyseenko, J.J. Leafhopper control in filed-grown red maples with systemic insecticides. Meeting Abstract. - Toxicity of Botanical Formulations to Nursery-Infesting White Grubs (Coleoptera: Scarabaeidae)-(Peer Reviewed Journal)
Ranger, C.M., Reding, M.E., Oliver, J.B., Moyseenko, J.J., Youssef, N.N. 2009. Toxicity of Botanical Formulations to Nursery-Infesting White Grubs (Coleoptera: Scarabaeidae). Journal of Economic Entomology. 102:304-308. - Evaluation of Systemic Insecticides for Potato Leafhopper Control in Field-Grown Red Maple-(Peer Reviewed Journal)
Oliver, J.B., Fare, D.C., Youssef, N., Halcomb, M.A., Reding, M.E., Ranger, C.M. 2009. Evaluation of Systemic Insecticides for Potato Leafhopper Control in Field-Grown Red Maple. Journal of Environmental Horticulture. 27(1):17-23. - Can Pesticide Delivery Methods Play a Role in Sustainable Pest Management?-(Abstract Only)
Ranger, C.M., Luis, C., Derksen, R.C. 2008. Can Pesticide Delivery Methods Play a Role in Sustainable Pest Management?. National Meeting of Entomological Society Of America.Available: http://esa.confex.com/esa/2008/webprogram/Paper34170.html - Ability of Plant Stress Volatiles to Trigger Attacks by the Nursery-Infesting Black Stem Borer, Xylosandrus germanus-(Abstract Only)
Ranger, C.M., Reding, M.E., Herms, D.A., Persad, A. 2008. Ability of Plant Stress Volatiles to Trigger Attacks by the Nursery-Infesting Black Stem Borer, Xylosandrus germanus. Entomological Society of America Annual Meeting.Available: http://esa.confex.com/esa/2008/webprogram/Paper38015.html - SYSTEMIC ACTIVITY OF NEONICOTINOIDS INFLUENCES FEEDING BY ADULT BLACK VINE WEEVILS ON VARIOUS SPECIES OF ORNAMENTALS-(Abstract Only)
Reding, M.E., Anand, P., Ranger, C.M. 2008. SYSTEMIC ACTIVITY OF NEONICOTINOIDS INFLUENCES FEEDING BY ADULT BLACK VINE WEEVILS ON VARIOUS SPECIES OF ORNAMENTALS. National Meeting of Entomological Society Of America. Available: http://esa.confex.com/esa/2008/webprogram/Paper36751.html - Xylosandrus germanus: A long-established but emerging invasive pest in U.S. nurseries-(Proceedings)
Ranger, C.M., Reding, M.E. 2008. Xylosandrus germanus: A long-established but emerging invasive pest in U.S. nurseries. Proceedings, XXI International Congress of Entomology.Available: http://www.ice2008.org.za/pdf/proceedings.pdf - Influence of Silicon on Resistance of Zinnia Elegans to Myzus Persicae (Hemiptera: Aphididae)-(Peer Reviewed Journal)
Ranger, C.M., Singh, A.P., Frantz, J., Canas, L., Locke, J.C., Reding, M.E., Vorsa, N. 2009. Influence of Silicon on Resistance of Zinnia Elegans to Myzus Persicae (Hemiptera: Aphididae). Environmental Entomology. 38:129-136. - Comparing Greenhouse Handgun Delivery to Poinsettias by Spray Volume and Quality-(Peer Reviewed Journal)
Derksen, R.C., Frantz, J., Ranger, C.M., Locke, J.C., Zhu, H., Krause, C.R. 2008. Comparing Greenhouse Handgun Delivery to Poinsettias by Spray Volume and Quality. Transactions of the ASABE. 51(1)27-33. - Current projects of the Application Technology Research Unit-(Abstract Only)
Krause, C.R., Altland, J.E., Derksen, R.C., Frantz, J., Locke, J.C., Ranger, C.M., Reding, M.E., Zhu, H. 2007. Current projects of the Application Technology Research Unit. OFA Bulletin. No.904:24-25. - Monoterpenes influence response of ambrosia beetles (Coleoptera: Curculionidae) to attractant-baited traps-(Abstract Only)
Ranger, C.M., Reding, M.E. 2007. Monoterpenes influence response of ambrosia beetles (Coleoptera: Curculionidae) to attractant-baited traps. National Meeting of Entomological Society Of America.Available: http://esa.confex.com/esa/2007/techprogram/paper_30540.htm - Silicon-inducible defenses of Zinnia elegans against Myzus persicae -(Abstract Only)
Ranger, C.M., Singh, A.P., Frantz, J., Canas, L., Locke, J.C., Vorsa, N., Reding, M.E. Silicon-inducible defenses of Zinnia elegans against Myzus persicae. National Meeting of Entomological Society Of America.Available: http://esa.confex.com/esa/2007/techprogram/paper_28624.htm - The Effect of Spray Volume and Quality on Handgun Delivery of Pesticides to Greenhouse Plants-(Proceedings)
Derksen, R.C., Frantz, J., Ranger, C.M., Locke, J.C., Zhu, H., Krause, C.R. 2007. The Effect of Spray Volume and Quality on Handgun Delivery of Pesticides to Greenhouse Plants. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). Paper No. 071149. - Intraspecific Variation in Aphid Resistance and Constitutive Phenolics Exhibited by the Wild Blueberry Vaccinium darrowi-(Peer Reviewed Journal)
Ranger, C.M., Singh, A.P., Johnson-Cicalese, J., Polavarapu, S., Vorsa, N. 2007. Intraspecific Variation in Aphid Resistance and Constitutive Phenolics Exhibited by the Wild Blueberry Vaccinium darrowi. Journal of Chemical Ecology. 33:711-729.
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