University of Kentucky College of Agriculture

University of Kentucky Invertebrate Ecology Laboratory

 

Dr. James Harwood  |  Harwood Laboratory  |  News  |  People  |  Publications

 

Harwood Lab Publications

For reprints, please email James.Harwood@uky.edu

 

  • Dodd LE, Chapman EG, Harwood JD, Lacki MJ, Rieske LK. (2012). DNA-based techniques allow unprecedented resolution of prey selection by a common forest-dwelling bat (Myotis septentrionalis). Journal of Mammalogy, in press.

  • Lundgren, J.G. Harwood, J.D. (2012). Functional responses to food diversity: the effect of seed availability on the feeding behavior of facultative granivores. Journal of Entomological Science, in press.

  • Schmidt, J.M., Harwood, J.D., Rypstra, A.L. (2012). Foraging activity of a dominant agrobiont predator: molecular evidence for the effect of prey abundance on consumption.  Oikos, in press.

  • Ruberson, J.R., Olson, D.M., Athey, K.J., Harwood, J.D. (2012). Biological control of stink bugs in cotton. Procedings of the 2012 Beltwide Cotton Conference. pp. 1153-1158. National Cotton Council, Memphis, TN.

  • Kerzicnik LM, Chapman EG, Harwood JD, Peairs FB, Cushing PE. (2012). Evidence for biological control of the Russian Wheat Aphid with spiders in winter wheat. Journal of Arachnology, 40, 71-77.

  • Welch, K.D., Pfannenstiel, R.S., Harwood, J.D. (2012). The role of generalist natural enemies in terrestrial food webs. In: Biodiversity and Insect Pests: Key Issues for Sustainable Management (Eds., G.M. Gurr, S.D. Wratten, W.E. Snyder), Wiley Blackwell Publishers, Oxford, United Kingdom.

  • Welch, K.D., Pfannenstiel, R.S., Harwood, J.D. (2012, in press). The role of generalist natural enemies in terrestrial food webs. In: Biodiversity and Insect Pests: Key Issues for Sustainable Management (Eds., G.M. Gurr, S.D. Wratten, W.E. Snyder), Wiley Blackwell Publishers, Oxford, United Kingdom.

  • Peterson, J.A., Obrycki, J.J., Harwood, J.D. (2012). Transgenic Bacillus thuringiensis crops: environmental risk-assessment. In: Encyclopedia of Environmental Management. Taylor & Francis, London, United Kingdom.
  • Welch KD and Harwood JD. (2011). Predator-pathogen interactions: synergy between mortality causes and failure of the healthy herds hypothesis. Functional Ecology, 25, 943-944.

  • Michaud, J.P., Harwood, J.D. (2011). Evaluation of coccinellid predation in the field. In: Ecology of Coccinellidae 3rd Edition (Ed. I. Hodek, H.F. Van Emden), Blackwell Publishing, Oxford, United Kingdom.
  • Eskelson, M.J., Chapman, E.G., Archbold, D.D., Obrycki, J.J., Harwood, J.D. (2011). Molecular identification of predation by carabid beetles on exotic and native slugs in a strawberry agroecosystem. Biological Control, 56, 245-253.

  • Moser, S.E., Kajita, Y., Harwood, J.D., Obrycki, J.J. (2011). Evidence for utilization of Diptera in the diet of field-collected coccinellid larvae from an antibody-based detection system. Biological Control, 58, 248-254.

  • Welch, K.D., Crain, P.R., Harwood, J.D. (2011). Successional dynamics of web-building spider in alfalfa: implications for biological control. Journal of Arachnology, 39, 244-249.

  • Peterson, J.A., Lundgren, J.G., Harwood, J.D. (2011) Interactions of transgenic Bacillus thuringiensis crops with spiders (Araneae). Journal of Arachnology, 39, 1-21.

  • Thomas, A.K., Mc Donnell, R.J., Harwood, J.D. (2011). Slugs from the Nearctic: what we need to learn from the Western Palearctic. Proceedings of the IOBC/WPRS workgroup on Slugs and Snails: Slugs and Snail Control in the 21st Century. In press.
  • Adams, M.K., Chapman, E.G., Harwood, J.D. (2011). Molecular identification of interaction pathways between carabid beetles and slugs in alfalfa. Proceedings of the IOBC/WPRS workgroup on Slugs and Snails: Slugs and Snail Control in the 21st Century. In press.
  • Peterson, J.A., Romero, S., Harwood, J.D. (2010) Pollen interception by linyphiid spiders in a corn agroecosystem: implications for dietary diversification and risk assessment. Arthropod-Plant Interactions, 4:4, 207-217.
  • Chapman, E.G., Romero, S., Harwood, J.D. (2010). Maximizing collection and minimizing risk: does vacuum sampling increase the likelihood for misinterpretation of food web connections? Molecular Ecology Resources, 10, 1023-1033.

  • Harwood, J.D., Parajulee, M.N. (2010). Global impact of biological invasions: transformation in pest management approaches. Biological Invasions, 12, 2855-2856.
  • Thomas, A.K., Mc Donnell, R.J., Harwood, J.D. (2010). A Field Guide to the Slugs of Kentucky. University of Kentucky, Ag. Exp. Station Publication SR-103.
  • Jaramillo, J., Chapman, E.G., Vega, F.E., Harwood, J.D. (2010). Molecular diagnosis of a previously unreported predator-prey association in coffee: Karnyothrips flavipes Jones (Thysanoptera: Phlaeothripidae) predation on the coffee berry borer. Naturwissenschaften, 97, 291-298.
  • Kerzicnik, L.M., Peairs, F.B., Harwood, J.D. (2010). Implications of Russian wheat aphid, Diuraphis noxia (Kurdjumov), falling rates for biological control in resistant and susceptible winter wheat lines. Arthropod-Plant Interactions, 4, 129-138.
  • Romero, S., Harwood, J.D. (2010). Prey utilization by a community of linyphiid spiders: variation across diel and seasonal gradients. Biological Control, 52, 84-90.
  • Harwood, J.D., Phillips, S.W., Lello, J., Sunderland, K.D., Glen, D.M., Bruford, M.W., Harper, G.L., Symondson, W.O.C. (2009). Reduced invertebrate biodiversity affects predator fitness and hence ability to control crop pests. Biological Control, 51, 499-506.
  • Thomas, R.S., Harwood, J.D., Glen, D.M., Symondson, W.O.C. (2009). Tracking subterranean density-dependent predation by carabid larvae on slugs using monoclonal antibodies. Ecological Entomology, 34, 569-579.
  • Obrycki, J.J., Harwood, J.D., Kring, T.J., O’Neil, R.J. (2009). Aphidophagy by Coccinellidae: application of biological control in agroecosystems. Biological Control, 51, 244-254.
  • Peterson, J.A., Obrycki, J.J., Harwood, J.D. (2009). Quantification of exposure pathways in carabid food webs across multiple transgenic events. Biocontrol Science and Technology, 19, 613-625.
  • Harwood, J.D., Yoo, H.J.S., Greenstone, M.H., Rowley, D.L. & O’Neil, R.J. (2009). Differential impact of adults and nymphs of a generalist predator on an exotic invasive pest demonstrated by molecular gut-content analysis. Biological Invasions, 11, 895-903.
  • Harwood, J.D. (2009). Book Review: Developing and Extending Sustainable Agriculture – A New Social Context. American Entomologist 55, 123-124.
  • Chapman, E.G., Jaramillo, J., Vega, F.E., Harwood, J.D. (2009). Biological control of coffee berry borer: the role of DNA-based gut-content analysis in assessment of predation. In: 3rd International Symposium on Biological Control of Arthropods (Eds. Mason, P.G., Gillespie, D.R. & Vincent, C.). USDA-FHTET, Morgantown, WV, pp. 475-484.
  • Harwood, J.D. (2008). Are sweep net sampling and pitfall trapping compatible with molecular analysis of predation? Environmental Entomology, 37, 990-995.
  • Mc Donnell RJ, Paine TD, Stouthamer R, Gormally MJ, Harwood JD (2008). Molecular and morphological evidence for the occurrence of two new species of invasive slugs in Kentucky, Arion intermedius, and Arion hortensis (Arionidae: Stylommatophora). Journal of the Kentucky Academy of Science, 69, 117-123.
  • Harwood, J.D., Greenstone, M.H. (2008). Molecular diagnosis of natural enemy-host interactions. In: Recent Advances in Insect Physiology, Toxicology and Molecular Biology (Ed. Liu N). Research Signpost, Trivandrum, India, pp. 41-57.
  • Chapman EG, Harwood JD (2008). Using snail-killing fly larvae as biological control agents of invasive slugs. IOBC-NRS Newsletter 30(3), 5.
  • Harwood, J.D. (2008). Slugs: the overlooked invasive pests of North America? IOBC-NRS Newsletter 30, 1-2.
  • Moser, S.E., Harwood, J.D., Obrycki, J.J. (2008). Larval feeding on Bt-hybrid and non-Bt corn seedlings by Harmonia axyridis (Coleoptera: Coccinellidae) and Coleomegilla maculata (Coleoptera: Coccinellidae). Environmental Entomology, 37, 525-533.
  • Peterson, J.A., Harwood, J.D. (2008). Fate and exposure pathways of Bt-endotoxins in terrestrial food webs. Chemical & Engineering News 86(26), June 30, 2008.
  • Sharma, K., Flanagan, J.M., Harwood, J.D., Chengini, S. (2008). Does gender determine allergenic potential in the multicolored Asian Ladybeetle, Harmonia axyridis? Journal of Allergy and Clinical Immunology, 121, S28.
  • Harwood, J.D., Desneux, N., Yoo, H.Y.S., Rowley, D.L., Greenstone, M.H., Obrycki, J.J., O'Neil, R.J. (2007) Tracking the role of alternative prey in soybean aphid predation by Orius insidiosus: a molecular approach. Molecular Ecology, 16, 4390-4400.
  • Harwood, J.D., Bostrom, M.R., Hladilek, E.E., Wise, D.H., Obrycki, J.J. (2007). An order-specific monoclonal antibody to Diptera reveals the impact of alternative prey on spider feeding behavior in a complex food web. Biological Control, 41, 397-407.
  • Harwood, J.D., #Samson, R.A., Obrycki, J.J. (2007). Temporal detection of Cry1Ab-endotoxins by coccinellid predators in fields of Bacillus thuringiensis corn. Bulletin of Entomological Research, 97, 643-648.
  • Harwood, J.D., Obrycki, J.J. (2007). Web-site selection strategies of linyphiid spiders in alfalfa: implications for biological control. BioControl, 52, 451-469.
  • Harwood, J.D. (2007). The role of alternative prey in sustaining spider communities. In: XVII International Congress of Arachnology, São Pedro, São Paulo, Brazil (eds. Reihms, C.A., Machado, G., Brescovit, A.D., Gnaspini, P., Pinto-da-Rocha, R., Ruiz, G.S. & Santos, A.J.). International Society of Arachnology, p. 55.
  • Symondson, W.O.C., Cesarini, S., Dodd, P.W., Harper, G.L., Bruford, M.W., Glen, D.M., Wiltshire, C.W., Harwood, J.D. (2006). Biodiversity vs. biocontrol: positive and negative effects of alternative prey on control of slugs by carabid beetles. Bulletin of Entomological Research, 96, 637-645.
  • Harwood, J.D., Romani, R., Ricci, C., Pitz, K.M., Weir, A., Obrycki, J.J. (2006). The prevalence and association of the laboulbenialean fungus Hesperomyces virescens (Laboulbeniales: Ascomycetes) on coccinellid hosts (Coleoptera: Coccinellidae) in Kentucky, USA. European Journal of Entomology, 103, 799-804.
  • Harwood, J.D., Ricci, C., Romani, R., Obrycki, J.J. (2006). Historic prevalence of a laboulbenialean fungus infecting exotic coccinellids in the United States. Antenna, 30, 74-79.
  • Harper, G.L., Sheppard, S.K., Harwood, J.D., Read, D.S.M., Glen, D.M., Bruford, M.W., Symondson, W.O.C. (2006). Evaluation of temperature gradient gel electrophoresis (TGGE) for the analysis of prey DNA within the guts of invertebrate predators. Bulletin of Entomological Research, 96, 295-304.
  • Harwood, J.D., #Samson, R.A., Obrycki, J.J. (2006). No evidence for the uptake of Bt Cry1Ab-endotoxins by the carabid predator Scarites subterraneus (Coleoptera: Carabidae) in laboratory and field experiments. Biocontrol Science and Technology, 16, 377-388.
  • Harwood, J.D., Obrycki, J.J. (2006). The detection and decay of Cry1Ab Bt-endotoxins within non-target slugs, Deroceras reticulatum (Müller) (Mollusca: Pulmonata), following consumption of transgenic corn. Biocontrol Science and Technology, 16, 77-88.
  • Sheppard, S.K., Harwood, J.D. (2005). Advances in molecular ecology: tracking trophic links through predator-prey food webs. Functional Ecology, 19, 751-762.
  • Harwood, J.D., Wallin, W.G., Obrycki, J.J. (2005). Uptake of Bt-endotoxins by non-target herbivores and higher order arthropod predators: molecular evidence from a transgenic corn agroecosystem. Molecular Ecology, 14, 2815-2823.
  • Harwood, J.D., Obrycki, J.J. (2005). Quantifying aphid predation rates of generalist predators in the field. European Journal of Entomology, 102, 335-350.
  • Krafsur, E.S., Obrycki, J.J., Harwood, J.D. (2005). Comparative genetic studies of endemic and exotic Coccinellidae in North America. European Journal of Entomology, 102: 469-474.
  • Harwood, J.D., Obrycki, J.J. (2005). Web-construction behavior of linyphiid spiders (Araneae, Linyphiidae): competition and co-existence within a generalist predator guild. Journal of Insect Behavior, 18: 593-607.
  • Obrycki, J.J. & Harwood, J.D. (2005). Alfalfa Insect Pest Management. In: Encyclopedia of Pest Management. Marcel Dekker, NY, USA. DOI: 10.1081/E-EPM-120041108. http://www.dekker.com/sdek/abstract~db=enc~content=a713610100.
  • Harwood, J.D., Obrycki, J.J. (2005). The role of alternative prey in sustaining predator populations. In: Second International Symposium on Biological Control of Arthropods, Volume II (ed. Hoddle, M.S.). USDA Forest Service, Morgantown, WV, pp. 453-462.
  • King, R.A., Harper, G.L., Dodd, C.S., Harwood, J.D., Glen, D.M., Bruford, M.W., Symondson, W.O.C. (2005). Simultaneous detection of the remains of multiple species of mollusc and other prey in carabids using multiplex PCR. IOBC/WPRS Bulletin 28 (6), 95-100.
  • Harwood, J.D., Sunderland, K.D., Symondson, W.O.C. (2005). Monoclonal antibodies reveal the potential of the tetragnathid spider Pachygnatha degeeri (Araneae: Tetragnathidae) as an aphid predator. Bulletin of Entomological Research, 95, 161-168.
  • Calder, C.R., Harwood, J.D., Symondson, W.O.C. (2005). Detection of scavenged material in the guts of predators using monoclonal antibodies: a significant source of error in measurement of predation? Bulletin of Entomological Research, 95, 57-62.
  • Harper, G.L., King, R.A., Dodd, C.S., Harwood, J.D., Glen, D.M., Bruford, M.W., Symondson, W.O.C. (2005). Rapid screening of predators for multiple prey DNA targets. Molecular Ecology, 14, 819-828.
  • Harwood, J.D., Sunderland, K.D., Symondson, W.O.C. (2004). Prey selection by linyphiid spiders: molecular tracking of the effects of alternative prey on rates of aphid consumption in the field. Molecular Ecology, 13, 3549-3560.
  • Harwood, J.D., Obrycki, J.J. (2004). After 17 years ….. Brood X is back. Antenna, 28, 235-239.
  • Harwood, J.D. (2004). Bookshelf: The Agroecology of Carabid Beetles. Biologist, 51, 110.
  • Agustí, N., Shayler, S.P., Harwood, J.D., Vaughan, I.P., Sunderland, K.D., Symondson, W.O.C. (2003). Collembola as alternative prey sustaining spiders in arable ecosystems: prey detection within predators using molecular markers. Molecular Ecology, 12, 3467-3475.
  • Harwood, J.D., Sunderland, K.D., Symondson, W.O.C. (2003). Web-location by linyphiid spiders: prey specific aggregation and foraging strategies. Journal of Animal Ecology, 72, 745-756.
  • Harwood, J.D. (2003). Bookshelf: A Spiders World – Senses and Behavior. Biologist, 50, 94.
  • Harwood, J.D., Symondson, W.O.C., Sunderland, K.D. (2003). Use of monoclonal antibodies to monitor spider predation on cereal aphids and the effects of alternative prey. In: Proceedings of the 1st International Symposium on Biological Control of Arthropods (ed. VanDreische, R.G.). United States Department of Agriculture, Morgantown, WV, pp. 478-479.
  • Harwood, J.D., Phillips, S.W., Sunderland, K.D., Symondson, W.O.C. (2001). Secondary predation: quantification of food-chain errors in an aphid-spider-carabid system using monoclonal antibodies. Molecular Ecology, 10, 2049-2057.
  • Harwood, J.D., Sunderland, K.D., Symondson, W.O.C. (2001). Living where the food is: web-location by linyphiid spiders in relation to prey availability in winter wheat. Journal of Applied Ecology, 38, 88-99.
  • Harwood, J.D., Symondson, W.O.C., Sunderland, K.D. (2001). Monoclonal antibodies to quantify the effects of alternative prey on aphid predation by spiders. Antenna, 25, 257-259.
  • Harwood, J.D., Symondson, W.O.C., Sunderland, K.D. (1999). Antisera to detect predation on Collembola and Diptera. Antenna, 23, 236-238.

 

Return to UK Department of Entomology homepage