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2008 |
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Kuhar, T. P. and J. M. Alvarez. 2008. Timing of injury and efficacy of soil-applied insecticides against wireworms on potato in Virginia. Crop Prot. 27: 792-798. [doi:10.1016/j.cropro.2007.11.011] Schultz, P. A. and T. P. Kuhar. 2008. First record of pepper weevil infestation in Virginia. Online. Plant Health Progress doi:10.1094/PHP-2008-0118-01-BR. |
2007 |
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Fleischer, S., G. Payne, T. Kuhar, D. A. Herbert, Jr., S. Malone, J. Whalen, G. Dively, D. Johnson, J. A. Hebberger, J. Ingerson-Mahar, D. Miller, and S. Isard. 2007. Helicoverpa zea trends from the Northeast: Suggestions towards collaborative mapping of migration and pyrethroid susceptibility. Online. Plant Health Progress doi:10.1094/PHP-2007-0719-03-RV. Cordero, R. J., J. R. Bloomquist, and T. P. Kuhar. 2007. Susceptibility of two diamondback moth parasitoids, Diadegma insulare (Cresson) (Hymenoptera; Ichneumonidae) and Ooomyzus sokolowskii (Kurdjumov) (Hymenoptera; Eulophidae), to selected commercial insecticides. Biol. Contr. 42: 48-54. [doi:10.1016/j.biocontrol.2007.04.005] Cordero, R. J., and T. P. Kuhar. 2007. Insecticide susceptibility of field-collected Plutella xylostella from Virginia. Resist. Pest Manag. News. 17 (1): 21-24. |
2006 |
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Kuhar, T. P., W. D. Hutchison, J. Whalen, D. G. Riley, J. C. Meneley, H. B. Doughty, E. C. Burkness, and S. J. Wold-Burkness. 2006. Field evaluation of a novel lure for trapping seedcorn maggot adults. Online. Plant Health Progress doi:(in press) http://www.plantmanagementnetwork.org/php Kuhar, T. P., H. B. Doughty, E. M. Hitchner, and A. V. Chapman. 2006. Toxicity and field efficacy of acetamiprid on asparagus beetle. Online. Plant Health Progress doi:(in press) http://www.plantmanagementnetwork.org/php Kuhar, T. P., B. A. Nault, E. M. Hitchner*, and J. Speese*. 2006. Evaluation of various sampling-based insecticide spray programs for management of tomato fruitworm in fresh-market tomatoes in Virginia. Crop Prot. (in press). Dellinger, T. A., R. R. Youngman, C. A. Laub, C. C. Brewster, and T. P. Kuhar. 2006. Yield and forage quality of glandular-haired alfalfa under alfalfa weevil and potato leafhopper pest pressure in Virginia. J. Econ. Entomol. (in press). Hoffmann M. P., S. Pitcher, S. Cheever, J. Gardner, J. Losey, T. P. Kuhar, C. A. Laub, and R. R. Youngman. 2006. Efficacy of inoculative releases of Trichogramma ostriniae (Hymenoptera: Trichogrammatidae) against European corn borer, Ostrinia nubilalis (Lepidoptera: Crambidae), in field corn. Biol. Contr. (in press). Novy, R., J. M. Alvarez, S. B. Sterrett, T. P. Kuhar, and D. Horton. 2006. Progeny of a tri-species potato somatic hybrid express resistance to wireworm in eastern and western potato production regions of the U.S. J. Am. Potato Res. 82: (in press). Kuhar, T. P., K. Mori, and J. C. Dickens. 2006. Potential of a synthetic aggregation pheromone for integrated pest management of Colorado potato beetle, Leptinotarsa decemlineata (Say). Agric. Forest Entomol. 8: 77-81. Cordero, R. J.*, T. P. Kuhar, J. Speese, III, R. R. Youngman, E. E. Lewis, J. R. Bloomquist, A. D. Bratsch, and L. T. Kok. 2006. Field efficacy of insecticides for control of lepidopteran pests on collards in Virginia. Online. Plant Health Progress doi:10.1094/PHP-2006-0105-01-RS. http://www.plantmanagementnetwork.org/php |
2005 |
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Wright, M. G., M. P. Hoffmann, T. P. Kuhar, J. Gardner, and S. A. Pitcher. 2005. Evaluating risks of biological control introductions: a probalistic risk-assessment approach. Biol. Contr. 35: 338-347. Malone, S., D. A. Herbert, and T. P. Kuhar. 2005. A survey process for assessing impact of an email-delivered pest advisory. Online. J. Extension. 43:5 Article No. 5RIB2. http://www.joe.org/joe/2005october/rb2.shtml. Dellinger, T. A., R. R. Youngman, C. A. Laub, C. C. Brewster, and T. P. Kuhar. 2005. Host effects of glandular-haired alfalfa on alfalfa weevil (Coleoptera: Curculionidae) and potato leafhopper (Homoptera: Cicadellidae) populations in Virginia. J. Econ. Entomol. 98: 72-81. |
2004 |
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Speese, J.*, T. P. Kuhar, A. D. Bratsch, B. A. Nault, V. M. Barlow*, R. J. Cordero*, and S. Zheng-Xing. 2004. Efficacy and economics of fresh-market Bt transgenic sweet corn in Virginia. Crop Prot. 24: 57-64. Barlow, V. M.* and T. P. Kuhar. 2004. Distribution of egg masses of the European corn borer, Ostrinia nubilalis, in the bell pepper plant canopy. J. Entomol. Sci. 39: 670-672. Kuhar, T. P., V. M. Barlow*, M. P. Hoffmann, S. J. Fleischer, E. A. Groden, J. Gardner, R. Hazzard, M. G. Wright, S. A. Pitcher, and P. Westgate. 2004. Potential of Trichogramma ostriniae (Hymenoptera: Trichogrammatidae) as a biological control agent of European corn borer (Lepidoptera: Crambidae) in solanaceous crops. J. Econ. Entomol. 97: 1209-1216. |
2003 |
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Kuhar, T. P., M. P. Hoffmann, and M. G. Wright. 2003. Controlling European corn borer in vegetables with a parasitic wasp. Pesticide Outlook 14: 99-101. Kuhar, T. P., M. P. Hoffmann, L. J. Stivers-Young, M. Marini, and S. B. Sterrett. 2003. Potato leafhopper economic injury levels on early-stage snap and kidney beans. HortTech. 13: 647-649. Stivers-Young, L. J., T. P. Kuhar, and M. P. Hoffmann. 2003. Pesticide use changes in New York vegetables: 1978 to 1998. J. Extension 41: 1-9. (electronic journal) http://www.joe.org/joe/2003april/rb2.shtml |
2002 |
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Lorbeer, J. W., T. P. Kuhar, and M. P. Hoffmann. 2002. Monitoring and Forecasting for Disease and Insect Attack in Onions Within IPM Strategies. pp. 293-309 In H. D. Rabinowitch and L. Currah (eds.) Allium Crop Science: Recent Advances. CAB International. Kuhar, T. P., M. G. Wright, M. P. Hoffmann, and S. A. Chenus. 2002. Lifetable studies of European corn borer (Lepidoptera: Crambidae) with and without inoculative releases of Trichogramma ostriniae (Hymenoptera: Trichogrammatidae). Environ. Entomol. 31: 482-489. Pitcher, S. A., M. P. Hoffmann, J. Gardner, M. G. Wright, and T. P. Kuhar. 2002. Effect of cold storage on emergence and fitness of Trichogramma ostriniae (Hymenoptera: Trichogrammatidae) reared on Sitotroga cerealella (Olivier) (Lepidoptera: Gelechiidae) eggs. BioControl 47: 525-535. Kuhar, T. P., L. J. Stivers-Young, M. P. Hoffmann, and A. G. Taylor. 2002. Control of corn flea beetle and Stewart's wilt in sweet corn with imidacloprid and thiamethoxam seed treatments. Crop Prot. 21: 25-31. Wright, M. G., T. P. Kuhar, and M. P. Hoffmann. 2002. Effect of inoculative releases of Trichograma ostriniae on populations of Ostrinia nubilalis and damage to sweet corn and field corn. Biol. Contr. 23: 149-155. |
2000 & 2001 |
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Hoffmann, M. P., T. P. Kuhar, J. M. Baird, J. Gardner, P. Schwartz, and A. M. Shelton. 2001. Nonwoven fiber barriers for control of cabbage maggot and onion maggot (Diptera: Anthomyiidae). J. Econ. Entomol. 94: 1485-1491. Kuhar, T. P., R. R. Youngman, and C. A. Laub. 2001. Alfalfa Weevil (Coleoptera: Curculionidae) phenology with its host crop and parasitoids in Virginia. J. Entomol. Sci. 36: 352-365. Kuhar, T. P., R. R. Youngman, and C. A. Laub. 2000. Population dynamics and mortality of the alfalfa weevil (Coleoptera: Curculionidae) in Virginia. Environ. Entomol. 29: 1295-1304. |
1992-1999 |
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Kuhar, T. P., R. R. Youngman, and C. A. Laub. 1999. Alfalfa weevil (Coleoptera: Curculionidae) pest status and incidence of Bathyplectes anurus (Hymenoptera: Ichneumonidae) and Zoophthora phytonomi (Zygomycetes: Entomophthorales) in Virginia. J. Econ. Entomol. 92: 1184-1189. Kuhar, T. P. and R. R. Youngman. 1998. Olson yellow sticky trap: a decision-making tool for sampling western corn rootworm (Coleoptera: Chrysomelidae) adults in field corn. J. Econ. Entomol. 91: 957-963. Kuhar, T. P., R. R. Youngman, and C. A. Laub. 1997. Risk of western corn rootworm (Coleoptera: Chrysomelidae) damage to continuous corn in Virginia. J. Entomol. Sci. 32: 281-289. Youngman, R. R., T. P. Kuhar, and D. G. Midgarden. 1996. Effect of trap area on efficiency of yellow sticky traps for sampling western corn rootworm (Coleoptera: Chrysomelidae) adults in corn. J. Entomol. Sci. 31: 277-285. Kuhar, T. P. 1995. A pleasing lacewing, Nallachius americanus (McLachan) collected in southwestern Virginia (Neuroptera: Dilaridae). Banisteria 5: 32-33. Kuhar, T. P. and R. R. Youngman. 1995. Sex ratio and sexual dimorphism in western corn rootworm (Coleoptera: Chrysomelidae) adults on yellow sticky traps in corn. Environ. Entomol. 24: 1408-1413. Scarbrough, A. G. and T. P. Kuhar. 1993. Pupal cases of three species of Machimus Loew in Maryland (Diptera: Asilidae). Maryland Entomol. 4: 15-22. Scarbrough, A. G. and T. P. Kuhar. 1992. Biodiversity of robber flies (Diptera: Asilidae) in Maryland and Delaware: Part I. Subfamiliy Leptogastrinae. Maryland Naturalist 36: 13-38. |
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Virginia Cooperative Extension |