W O Symondson

Summary

Affiliation: Cardiff University
Country: UK

Publications

  1. ncbi request reprint Amplified detection, using a monoclonal antibody, of an aphid-specific epitope exposed during digestion in the gut of a predator
    W O Symondson
    Cardiff School of Biosciences, Cardiff University, UK
    Insect Biochem Mol Biol 29:873-82. 1999
  2. ncbi request reprint Do earthworms help to sustain the slug predator Pterostichus melanarius (Coleoptera: carabidae) within crops? Investigations using monoclonal antibodies
    W O Symondson
    School of Biosciences, Cardiff University, PO Box 915, Cardiff CF10 3TL, UK
    Mol Ecol 9:1279-92. 2000
  3. ncbi request reprint Can generalist predators be effective biocontrol agents?
    W O C Symondson
    Cardiff School of Biosciences, Cardiff University, P O Box 915, Cardiff CF10 3TL, United Kingdom
    Annu Rev Entomol 47:561-94. 2002
  4. ncbi request reprint Molecular identification of prey in predator diets
    W O C Symondson
    School of Biosciences, Cardiff University, PO Box 915, Cardiff CF10 3TL, UK
    Mol Ecol 11:627-41. 2002
  5. ncbi request reprint Biodiversity vs. biocontrol: positive and negative effects of alternative prey on control of slugs by carabid beetles
    W O C Symondson
    Cardiff School of Biosciences, Cardiff University, Cardiff, UK
    Bull Entomol Res 96:637-45. 2006
  6. ncbi request reprint Secondary predation: quantification of food chain errors in an aphid-spider-carabid system using monoclonal antibodies
    J D Harwood
    School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Mol Ecol 10:2049-57. 2001
  7. ncbi request reprint Rapid screening of invertebrate predators for multiple prey DNA targets
    G L Harper
    Cardiff School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Mol Ecol 14:819-27. 2005
  8. ncbi request reprint Detection of secondary predation by PCR analyses of the gut contents of invertebrate generalist predators
    S K Sheppard
    Cardiff School of Biosciences, Cardiff University, PO Box 915, Cardiff CF10 3TL, UK
    Mol Ecol 14:4461-8. 2005
  9. doi request reprint Endoparasitism in cereal aphids: molecular analysis of a whole parasitoid community
    M Traugott
    Cardiff School of Biosciences, Biomedical Sciences Building, Cardiff University, Museum Avenue, Cardiff, UK
    Mol Ecol 17:3928-38. 2008
  10. doi request reprint Molecular analysis of predation on parasitized hosts
    M Traugott
    Cardiff School of Biosciences, Cardiff University, Biomedical Sciences Building, Cardiff, UK
    Bull Entomol Res 98:223-31. 2008

Collaborators

Detail Information

Publications23

  1. ncbi request reprint Amplified detection, using a monoclonal antibody, of an aphid-specific epitope exposed during digestion in the gut of a predator
    W O Symondson
    Cardiff School of Biosciences, Cardiff University, UK
    Insect Biochem Mol Biol 29:873-82. 1999
    ..This epitope, however, was then either replicated on internal sites progressively revealed by digestion, or new epitopes became available as the conformation of the protein changed during digestion...
  2. ncbi request reprint Do earthworms help to sustain the slug predator Pterostichus melanarius (Coleoptera: carabidae) within crops? Investigations using monoclonal antibodies
    W O Symondson
    School of Biosciences, Cardiff University, PO Box 915, Cardiff CF10 3TL, UK
    Mol Ecol 9:1279-92. 2000
    ..melanarius, helping to sustain it when pest numbers are low but allowing it to perform a 'lying-in-wait' strategy, ready to switch back to feeding on pests when they become available...
  3. ncbi request reprint Can generalist predators be effective biocontrol agents?
    W O C Symondson
    Cardiff School of Biosciences, Cardiff University, P O Box 915, Cardiff CF10 3TL, United Kingdom
    Annu Rev Entomol 47:561-94. 2002
    ..We now need to find ways of disentangling the factors influencing positive and negative interactions within natural enemy communities in order to optimize beneficial synergies leading to pest control...
  4. ncbi request reprint Molecular identification of prey in predator diets
    W O C Symondson
    School of Biosciences, Cardiff University, PO Box 915, Cardiff CF10 3TL, UK
    Mol Ecol 11:627-41. 2002
    ....
  5. ncbi request reprint Biodiversity vs. biocontrol: positive and negative effects of alternative prey on control of slugs by carabid beetles
    W O C Symondson
    Cardiff School of Biosciences, Cardiff University, Cardiff, UK
    Bull Entomol Res 96:637-45. 2006
    ..These results suggest that pests may survive and reproduce more rapidly in patches where predators have access to alternative prey...
  6. ncbi request reprint Secondary predation: quantification of food chain errors in an aphid-spider-carabid system using monoclonal antibodies
    J D Harwood
    School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Mol Ecol 10:2049-57. 2001
    ..As this scenario is unlikely to occur frequently in the field it was concluded that secondary predation is unlikely to be a serious source of error during field studies...
  7. ncbi request reprint Rapid screening of invertebrate predators for multiple prey DNA targets
    G L Harper
    Cardiff School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Mol Ecol 14:819-27. 2005
    ..The main prey detected in the beetles proved to be earthworms and molluscs, although aphids and weevils were also consumed. The potential of this system for use in food-web research is discussed...
  8. ncbi request reprint Detection of secondary predation by PCR analyses of the gut contents of invertebrate generalist predators
    S K Sheppard
    Cardiff School of Biosciences, Cardiff University, PO Box 915, Cardiff CF10 3TL, UK
    Mol Ecol 14:4461-8. 2005
    ..Clearly, the extreme sensitivity of PCR makes detection of secondary predation more likely, and the only reliable answer in future may be to use PCR to identify, in parallel, instances of intraguild predation...
  9. doi request reprint Endoparasitism in cereal aphids: molecular analysis of a whole parasitoid community
    M Traugott
    Cardiff School of Biosciences, Biomedical Sciences Building, Cardiff University, Museum Avenue, Cardiff, UK
    Mol Ecol 17:3928-38. 2008
    ..Nine combinations of primary parasitoids within a single host were found, but only 1.6% of all screened aphids were multiparasitized. The potential of this approach to parasitoid food web research is discussed...
  10. doi request reprint Molecular analysis of predation on parasitized hosts
    M Traugott
    Cardiff School of Biosciences, Cardiff University, Biomedical Sciences Building, Cardiff, UK
    Bull Entomol Res 98:223-31. 2008
    ..In conclusion, our study demonstrates that PCR-based parasitoid and prey detection offers an exciting approach to further our understanding of host-parasitoid-predator interactions...
  11. ncbi request reprint Collembola as alternative prey sustaining spiders in arable ecosystems: prey detection within predators using molecular markers
    N Agustí
    Cardiff School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Mol Ecol 12:3467-75. 2003
    ..Preference was particularly evident for I. anglicana, the species most frequently found in spider guts yet the least numerous of the three target species in the field...
  12. ncbi request reprint Detection of scavenged material in the guts of predators using monoclonal antibodies: a significant source of error in measurement of predation?
    C R Calder
    School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Bull Entomol Res 95:57-62. 2005
    ..The results suggest that significant errors may be caused by scavenging leading to inaccurate interpretation of predation rates in the field...
  13. doi request reprint Molecular analysis of predation: a review of best practice for DNA-based approaches
    R A King
    Cardiff School of Biosciences, Biomedical Sciences Building, Cardiff University, Museum Avenue, Cardiff CF10 3US, UK
    Mol Ecol 17:947-63. 2008
    ..We look ahead to new technologies, including microarrays and pyrosequencing, which might one day be applied to this field...
  14. ncbi request reprint Evaluation of temperature gradient gel electrophoresis for the analysis of prey DNA within the guts of invertebrate predators
    G L Harper
    Cardiff School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Bull Entomol Res 96:295-304. 2006
    ..The results suggest that PCR, using combinations of general invertebrate and group-specific primers followed by TGGE, provides a potentially useful approach to the analysis of multiple uncharacterized prey in predators...
  15. ncbi request reprint Infiltration by alien predators into invertebrate food webs in Hawaii: a molecular approach
    S K Sheppard
    Cardiff School of Biosciences, Cardiff University, P O Box 915, Cardiff CF10 3TL, UK
    Mol Ecol 13:2077-88. 2004
    ..This study provides a framework for future use of molecular gut analysis in arthropod conservation ecology and food web research with considerable potential for quantifying threats to endemic species in Hawaii and elsewhere...
  16. ncbi request reprint Monoclonal antibodies reveal the potential of the tetragnathid spider Pachygnatha degeeri (Araneae: Tetragnathidae) as an aphid predator
    J D Harwood
    School of Biosciences, Cardiff University, UK
    Bull Entomol Res 95:161-7. 2005
    ..Limitation of aphid numbers early in the year by generalist predators provides more time for the specialist aphid predators and parasitoids to move in...
  17. ncbi request reprint Molecular detection of predation by soil micro-arthropods on nematodes
    D S Read
    Cardiff School of Biosciences, Cardiff University, PO Box 915, Cardiff CF10 3TL, UK
    Mol Ecol 15:1963-72. 2006
    ..This is the first application of PCR techniques for the study of nematophagy and the first time these techniques have been used to measure predation on nematodes in the field...
  18. ncbi request reprint How does a carabid predator find aggregations of slugs in the field? Electroantennograms and behavioural assays suggest chemical cues
    A R McKemey
    Cardiff School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Bull Entomol Res 94:235-44. 2004
    ..Together these result confirm that P. melanariusdoes respond to chemical cues from its slug prey in ways that could lead to aggregation in areas of higher slug density in the field...
  19. ncbi request reprint Predation and prey size choice by the carabid beetle Pterostichus melanarius (Coleoptera: Carabidae): the dangers of extrapolating from laboratory to field
    A R McKemey
    School of Biosciences, Cardiff University, PO Box 915, Cardiff, CF10 3TL, UK
    Bull Entomol Res 93:227-34. 2003
    ..These results have implications for a range of ecological studies involving inter- and intra-specific prey size choice, and emphasize the dangers of extrapolating from the laboratory to the field...
  20. doi request reprint The effects of temperature on detection of prey DNA in two species of carabid beetle
    K von Berg
    Animal Ecology, University of Technology Darmstadt, Darmstadt, Germany
    Bull Entomol Res 98:263-9. 2008
    ..Correction for such factors should make calculation of predation rates in the field more accurate and could help us to estimate when predation events occur in the field...
  21. doi request reprint Impact of abiotic factors on predator-prey interactions: DNA-based gut content analysis in a microcosm experiment
    K von Berg
    Animal Ecology, Darmstadt University of Technology, Darmstadt, Germany
    Bull Entomol Res 98:257-61. 2008
    ..Our results suggest that weather conditions such as rain can modify predator-prey interactions in the field. Employing PCR-based predator gut content analyses proved to be useful as trophic links could be directly verified...
  22. doi request reprint Multitrophic effects of nutrient addition in upland grassland
    M T Fountain
    East Malling Research, Kent, UK
    Bull Entomol Res 98:283-92. 2008
    ..It also emphasises the importance of understanding the effects of soil management practices on soil biodiversity, which is under increasing pressure from land development and food production...
  23. doi request reprint Molecular approaches to study trophic interactions: current progress and future directions
    M Traugott
    Institute of Ecology, Mountain Agriculture Research Unit, University of Innsbruck, Innsbruck, Austria
    Bull Entomol Res 98:215. 2008