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Reducing Drosophila suzukii emergence through inter-species competition

Reducing Drosophila suzukii emergence through inter-species competition
Reducing Drosophila suzukii emergence through inter-species competition
BACKGROUND
Drosophila suzukii has dispersed widely from its native Asian range since 2008. Its arrival in the UK is resulting in economic losses in soft‐ and stone‐fruit crops caused by larvae feeding on the flesh of ripening fruit. Although a large amount of research has been directed at controlling this pest, it is presently unknown how this invasive species interacts with native Drosophila species.
RESULTS
In the work reported here, D. suzukii or Drosophila melanogaster adults were introduced to substrates pre‐inoculated with the eggs of the same or the other species in a laboratory choice assay. Drosophila melanogaster adult emergence was not affected by pre‐inoculation with D. suzukii. The rate of emergence of D. suzukii was significantly lower from medium pre‐inoculated by D. melanogaster than from blank medium. In a subsequent experiment, significantly more D. suzukii eggs were laid in blank medium than in D. melanogaster pre‐inoculated medium.
CONCLUSION
The presence of D. melanogaster in a substrate significantly reduced D. suzukii emergence and egg laying. This study raises research questions about how this reduction mechanism is driven and how it could be exploited as part of future integrated pest management practices.
1526-4998
1466-1471
Shaw, Bethan
c214ccfc-a6fa-4e11-9a98-d6e57dfc4ed3
Brain, Philip
4ade5b55-fc32-4944-8846-bfd12f79f2ae
Wijnen, Herman
67e9bc5d-de6e-44ec-b4c2-50b67c5bc79d
Fountain, Michelle
a438f506-a978-41a4-9aa8-d69bd7f98080
Shaw, Bethan
c214ccfc-a6fa-4e11-9a98-d6e57dfc4ed3
Brain, Philip
4ade5b55-fc32-4944-8846-bfd12f79f2ae
Wijnen, Herman
67e9bc5d-de6e-44ec-b4c2-50b67c5bc79d
Fountain, Michelle
a438f506-a978-41a4-9aa8-d69bd7f98080

Shaw, Bethan, Brain, Philip, Wijnen, Herman and Fountain, Michelle (2018) Reducing Drosophila suzukii emergence through inter-species competition. Pest Management Science, 74 (6), 1466-1471. (doi:10.1002/ps.4836).

Record type: Article

Abstract

BACKGROUND
Drosophila suzukii has dispersed widely from its native Asian range since 2008. Its arrival in the UK is resulting in economic losses in soft‐ and stone‐fruit crops caused by larvae feeding on the flesh of ripening fruit. Although a large amount of research has been directed at controlling this pest, it is presently unknown how this invasive species interacts with native Drosophila species.
RESULTS
In the work reported here, D. suzukii or Drosophila melanogaster adults were introduced to substrates pre‐inoculated with the eggs of the same or the other species in a laboratory choice assay. Drosophila melanogaster adult emergence was not affected by pre‐inoculation with D. suzukii. The rate of emergence of D. suzukii was significantly lower from medium pre‐inoculated by D. melanogaster than from blank medium. In a subsequent experiment, significantly more D. suzukii eggs were laid in blank medium than in D. melanogaster pre‐inoculated medium.
CONCLUSION
The presence of D. melanogaster in a substrate significantly reduced D. suzukii emergence and egg laying. This study raises research questions about how this reduction mechanism is driven and how it could be exploited as part of future integrated pest management practices.

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ShawPESTMANAGSCI2017accepted - Accepted Manuscript
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More information

Accepted/In Press date: 15 December 2017
e-pub ahead of print date: 20 December 2017
Published date: June 2018

Identifiers

Local EPrints ID: 416681
URI: http://eprints.soton.ac.uk/id/eprint/416681
ISSN: 1526-4998
PURE UUID: 9194fe54-6c37-4530-bc22-cde97863fc8d
ORCID for Herman Wijnen: ORCID iD orcid.org/0000-0002-8710-5176

Catalogue record

Date deposited: 04 Jan 2018 17:30
Last modified: 26 Nov 2021 06:25

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Contributors

Author: Bethan Shaw
Author: Philip Brain
Author: Herman Wijnen ORCID iD
Author: Michelle Fountain

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