Intraguild predation involving Harmonia axyridis : a review of current knowledge and future perspectives

A - Papers appearing in refereed journals

Pell, J. K., Baverstock, J., Roy, H. E., Ware, R. L. and Majerus, M. E. N. 2008. Intraguild predation involving Harmonia axyridis : a review of current knowledge and future perspectives. BioControl. 53 (1), pp. 147-168.

AuthorsPell, J. K., Baverstock, J., Roy, H. E., Ware, R. L. and Majerus, M. E. N.
Abstract

As an effective generalist predator of aphids and other hemipteran pests H. axyridis has been a successful biological control agent. However, the very functional traits that have contributed to its success in this regard also implicate it as an intraguild predator that poses a significant risk not only to the diversity of other natural enemies of Hemiptera (and their associated ecosystem services), but to biodiversity more widely. In this paper we will specifically review the existing data on intraguild predation involving H. axyridis, and consider the strength and symmetry of such interactions both within its native guild and within exotic guilds where it has established as an invasive alien. We will use these studies to interpret the observed population declines in predator diversity in the field, predict species at risk in regions not yet invaded and consider implications for resulting ecosystem services. We will also indicate gaps in our knowledge that require further study in order to identify opportunities for mitigation.

Year of Publication2008
JournalBioControl
Journal citation53 (1), pp. 147-168
Digital Object Identifier (DOI)doi:10.1007/s10526-007-9125-x
Open accessPublished as non-open access
FunderDepartment of Environment, Food and Rural Affairs
Biotechnology and Biological Sciences Research Council
Funder project or codeSEF
Arable crops ecosystems - habitat diversification, crop management and natural enemies for crop protection and biodiversity
Output statusPublished
Publication dates
Online03 Nov 2007
Publication process dates
Accepted08 Oct 2007
Copyright licensePublisher copyright
ISSN1386-6141
PublisherSpringer

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