UNIVERSITY OF KENTUCKY ENTOMOLOGY
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James D. Harwood

Assistant Professor, Arthropod Ecology

Ph.D. Cardiff University (2001) | Return to J. Harwood Homepage

 

Full Publication List

 

2008

  • Moser SE, Harwood JD, Obrycki JJ (2008). Larval feeding on Bt-hybrid and non-Bt corn seedlings by predacious coccinellids. Environ. Entomol., in press.
  • Harwood JD, Greenstone MH (2008). Molecular diagnosis of natural enemy-host interactions. In: Current Research Topics in Molecular and Physiological Entomology (Ed. N. Liu). In press.
  • Harwood JD, Michaud JP (2008; Invited, in prep). Evaluation of coccinellid predation in the field. In: Ecology of Coccinellidae 3rd Edition (Ed. I. Hodek), Blackwell Publishing.
  • King RA, Cesarini S, Dodd PW, Harper GL, Vaughan IP, Glen DM, Wiltshire CW, Harwood JD, Bruford MW, Symondson WOC (2008). Detection of predation by carabids on slugs and alternative prey using miniplots and PCR. IOBC/WPRS Bulletin, in press.

 

2007

  • Harwood JD, Samson RA, Obrycki JJ (2007). Temporal detection of Cry1Ab-endotoxins by coccinellid predators in fields of Bacillus thuringiensis corn. Bull. Entomol. Res. 97, 643-648.
  • Harwood JD, Desneux N, Yoo HYS, Rowley DL, Greenstone MH, Obrycki JJ, O'Neil RJ (2007). Tracking the role of alternative prey in soybean aphid predation by Orius insidiosus: a molecular approach. Mol. Ecol. 16, 4390-4400.
  • Harwood JD, Bostrom MR, Hladilek EE, Wise DH, Obrycki JJ (2007). An order-specific monoclonal antibody to Diptera reveals the impact of alternative prey on spider feeding behavior in a complex food web. Biol. Control 41, 397-407.
  • Harwood JD, Obrycki JJ (2007). Web-site selection strategies of linyphiid spiders in alfalfa: implications for biological control. BioControl 52, 451-469.

 

2006

  • Symondson WOC, Cesarini S, Dodd PW, Harper GL, Bruford MW, Glen DM, Wiltshire CW, Harwood JD (2006). Biodiversity vs. biocontrol: positive and negative effects of alternative prey on control of slugs by carabid beetles. Bull. Entomol. Res. 96, 637-645.
  • Harwood JD, Romani R, Ricci C, Pitz KM, Weir A, Obrycki JJ (2006). The prevalence and association of the laboulbenialean fungus Hesperomyces virescens (Laboulbeniales: Ascomycetes) on coccinellid hosts (Coleoptera: Coccinellidae) in Kentucky, USA. Eur. J. Entomol. 103, 799-804.
  • Harper GL, Sheppard SK, Harwood JD, Read DSM, Glen DM, Bruford MW, Symondson WOC (2006). Evaluation of temperature gradient gel electrophoresis (TGGE) for the analysis of prey DNA within the guts of invertebrate predators. Bull. Entomol. Res. 96, 295-304.
  • Harwood JD, Ricci C, Romani R, Obrycki JJ (2006). Historic prevalence of a laboulbenialean fungus infecting exotic coccinellids in the United States. Antenna 30, 74-79.
  • Harwood JD, Samson RA, Obrycki JJ (2006). No evidence for the uptake of Bt Cry1Ab-endotoxins by the carabid predator Scarites subterraneus (Coleoptera: Carabidae) in laboratory and field experiments. Biocontr. Sci. Technol. 16, 377-388.
  • Harwood JD, Obrycki JJ (2006). The detection and decay of Cry1Ab Bt-endotoxins within non-target slugs, Deroceras reticulatum (Müller) (Mollusca: Pulmonata), following consumption of transgenic corn. Biocontr. Sci. Technol. 16, 77-88.

 

2005

  • Sheppard SK, Harwood JD (2005). Advances in molecular ecology: tracking trophic links through predator-prey food webs. Funct. Ecol. 19, 751-762.
  • Harwood JD, Wallin WG, Obrycki JJ (2005). Uptake of Bt-endotoxins by non-target herbivores and higher order arthropod predators: molecular evidence from a transgenic corn agroecosystem. Mol. Ecol. 14, 2815-2823.
  • Harwood JD, Obrycki JJ (2005). Quantifying aphid predation rates of generalist predators in the field. Eur. J. Entomol. 102, 335-350.
  • Krafsur ES, Obrycki JJ, Harwood JD (2005). Comparative genetic studies of endemic and exotic Coccinellidae in North America. Eur. J. Entomol. 102: 469-474.
  • Obrycki JJ, Harwood JD (2005). Alfalfa Insect Pest Management. In: Encyclopedia of Pest Management. Marcel Dekker, NY. DOI: 10.1081/E-EPM-120041108. http://www.dekker.com/sdek/abstract~db=enc~content=a713610100.
  • Harwood JD, Obrycki JJ (2005). Web-construction behavior of linyphiid spiders (Araneae, Linyphiidae): competition and co-existence within a generalist predator guild. J. Insect Behav. 18: 593-607.
  • Harwood JD, Sunderland KD, Symondson WOC (2005). Monoclonal antibodies reveal the potential of the tetragnathid spider Pachygnatha degeeri (Araneae: Tetragnathidae) as an aphid predator. Bull. Entomol. Res. 95, 161-168.
  • Calder CR, Harwood JD, Symondson WOC (2005). Detection of scavenged material in the guts of predators using monoclonal antibodies: a significant source of error in measurement of predation? Bull. Entomol. Res. 95, 57-62.
  • Harper GL, King RA, Dodd CS, Harwood JD, Glen DM, Bruford MW, Symondson WOC (2005). Rapid screening of predators for multiple prey DNA targets. Mol. Ecol. 14, 819-828.
  • Harwood JD, Obrycki JJ (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 RA, Harper GL, Dodd CS, Harwood JD, Glen DM, Bruford MW, Symondson WOC (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.

 

2004

  • Harwood JD, Sunderland KD, Symondson WOC (2004). Prey selection by linyphiid spiders: molecular tracking of the effects of alternative prey on rates of aphid consumption in the field. Mol. Ecol. 13, 3549-3560.
  • Harwood JD (2004). Bookshelf: The Agroecology of Carabid Beetles. Biologist 51, 110.
  • Harwood JD, Obrycki JJ (2004). After 17 years ….. Brood X is back. Antenna 28, 235-239.

 

2003

  • Agustí N, Shayler SP, Harwood JD, Vaughan IP, Sunderland KD, Symondson WOC (2003). Collembola as alternative prey sustaining spiders in arable ecosystems: prey detection within predators using molecular markers. Mol. Ecol. 12, 3467-3475.
  • Harwood JD, Sunderland KD, Symondson WOC (2003). Web-location by linyphiid spiders: prey specific aggregation and foraging strategies. J. Anim. Ecol. 72, 745-756.
  • Harwood JD (2003). Bookshelf: A Spiders World – Senses and Behavior. Biologist 50, 94.
  • Harwood JD, Symondson WOC, Sunderland KD (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.

 

2001

  • Harwood JD, Phillips SW, Sunderland KD, Symondson WOC (2001). Secondary predation: quantification of food-chain errors in an aphid-spider-carabid system using monoclonal antibodies. Mol. Ecol. 10, 2049-2057.
  • Harwood JD, Sunderland KD, Symondson WOC (2001). Living where the food is: web-location by linyphiid spiders in relation to prey availability in winter wheat. J. Appl. Ecol. 38, 88-99.
  • Harwood JD, Symondson WOC, Sunderland KD (2001). Monoclonal antibodies to quantify the effects of alternative prey on aphid predation by spiders. Antenna 25, 257-259.

 

1999

  • Harwood JD, Symondson WOC, Sunderland KD (1999). Antisera to detect predation on Collembola and Diptera. Antenna 23, 236-238.
University of Kentucky Entomology