The University of Southampton
University of Southampton Institutional Repository
Warning ePrints Soton is experiencing an issue with some file downloads not being available. We are working hard to fix this. Please bear with us.

Potential of the European earwig (Forficula auricularia) as a biocontrol agent of the soft and stone fruit pest Drosophila suzukii

Potential of the European earwig (Forficula auricularia) as a biocontrol agent of the soft and stone fruit pest Drosophila suzukii
Potential of the European earwig (Forficula auricularia) as a biocontrol agent of the soft and stone fruit pest Drosophila suzukii
BACKGROUND: The unintentional introduction of Drosophila suzukii (Matsumura) from Asia has caused global economic losses in soft and stone fruit industries. Pesticide use can have unintended negative impacts on natural enemies, disrupting attempts to incorporate integrated pest management (IPM) programmes. Generalist predators could potentially act as biocontrol agents of D. suzukii. In this context, the predatory capabilities of the European earwig (Forficula auricularia) were investigated.
RESULTS: In semi-field conditions, F. auricularia were effective at reducing the
reproductive rate of D. suzukii in more densely populated enclosures. In controlled laboratory conditions, significant negative effects of earwigs were observed for both low (3 breeding pairs) and high (6 breeding pairs) D. suzukii densities. Both semi-field and laboratory experiments revealed that F. auricularia predation on adult D. suzukii could not account for the subsequent reductions in population density.
CONCLUSIONS: Reductions in both larval and adult offspring in the presence of
earwigs indicate an impact on D. suzukii via predation prior to metamorphosis or disruption of oviposition. Although F. auricularia may predate D. suzukii populations, its capacity to act as a biocontrol agent may be limited. However, results suggest that F. auricularia may be a more effective biocontrol agent earlier in the growing season.
beneficial, cherry, Integrated Pest Management, natural enemy, Spotted Wing Drosophila, predation
1526-4998
Bourne, Adam
75f69f4d-17b2-4ce7-8491-275cd0e9b87e
Fountain, Michelle
a438f506-a978-41a4-9aa8-d69bd7f98080
Wijnen, Herman
67e9bc5d-de6e-44ec-b4c2-50b67c5bc79d
Shaw, Bethan
c214ccfc-a6fa-4e11-9a98-d6e57dfc4ed3
Bourne, Adam
75f69f4d-17b2-4ce7-8491-275cd0e9b87e
Fountain, Michelle
a438f506-a978-41a4-9aa8-d69bd7f98080
Wijnen, Herman
67e9bc5d-de6e-44ec-b4c2-50b67c5bc79d
Shaw, Bethan
c214ccfc-a6fa-4e11-9a98-d6e57dfc4ed3

Bourne, Adam, Fountain, Michelle, Wijnen, Herman and Shaw, Bethan (2019) Potential of the European earwig (Forficula auricularia) as a biocontrol agent of the soft and stone fruit pest Drosophila suzukii. Pest Management Science. (doi:10.1002/ps.5459).

Record type: Article

Abstract

BACKGROUND: The unintentional introduction of Drosophila suzukii (Matsumura) from Asia has caused global economic losses in soft and stone fruit industries. Pesticide use can have unintended negative impacts on natural enemies, disrupting attempts to incorporate integrated pest management (IPM) programmes. Generalist predators could potentially act as biocontrol agents of D. suzukii. In this context, the predatory capabilities of the European earwig (Forficula auricularia) were investigated.
RESULTS: In semi-field conditions, F. auricularia were effective at reducing the
reproductive rate of D. suzukii in more densely populated enclosures. In controlled laboratory conditions, significant negative effects of earwigs were observed for both low (3 breeding pairs) and high (6 breeding pairs) D. suzukii densities. Both semi-field and laboratory experiments revealed that F. auricularia predation on adult D. suzukii could not account for the subsequent reductions in population density.
CONCLUSIONS: Reductions in both larval and adult offspring in the presence of
earwigs indicate an impact on D. suzukii via predation prior to metamorphosis or disruption of oviposition. Although F. auricularia may predate D. suzukii populations, its capacity to act as a biocontrol agent may be limited. However, results suggest that F. auricularia may be a more effective biocontrol agent earlier in the growing season.

Text
Bourne_et_al-2019-Pest_Management_Science - Accepted Manuscript
Download (397kB)

More information

Accepted/In Press date: 29 April 2019
e-pub ahead of print date: 8 May 2019
Keywords: beneficial, cherry, Integrated Pest Management, natural enemy, Spotted Wing Drosophila, predation

Identifiers

Local EPrints ID: 430912
URI: http://eprints.soton.ac.uk/id/eprint/430912
ISSN: 1526-4998
PURE UUID: 8aff824c-2a73-4b85-afa0-e3cbeb2acc84
ORCID for Herman Wijnen: ORCID iD orcid.org/0000-0002-8710-5176

Catalogue record

Date deposited: 17 May 2019 16:30
Last modified: 26 Nov 2021 06:51

Export record

Altmetrics

Contributors

Author: Adam Bourne
Author: Michelle Fountain
Author: Herman Wijnen ORCID iD
Author: Bethan Shaw

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×