Sex Pheromone Mediates Resource Partitioning Between Drosophila melanogaster and D. suzukii

ABSTRACT The spotted‐wing drosophila, Drosophila suzukii and the cosmopolitan vinegar fly D. melanogaster feed on soft fruit and berries and widely overlap in geographic range. The presence of D. melanogaster reduces egg‐laying in D. suzukii, possibly because D. melanogaster outcompetes D. suzukii l...

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Main Authors: Charles A. Kwadha, Guillermo Rehermann, Deni Tasso, Simon Fellous, Marie Bengtsson, Erika A. Wallin, Adam Flöhr, Peter Witzgall, Paul G. Becher
Format: Article
Language:English
Published: Wiley 2024-11-01
Series:Evolutionary Applications
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Online Access:https://doi.org/10.1111/eva.70042
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author Charles A. Kwadha
Guillermo Rehermann
Deni Tasso
Simon Fellous
Marie Bengtsson
Erika A. Wallin
Adam Flöhr
Peter Witzgall
Paul G. Becher
author_facet Charles A. Kwadha
Guillermo Rehermann
Deni Tasso
Simon Fellous
Marie Bengtsson
Erika A. Wallin
Adam Flöhr
Peter Witzgall
Paul G. Becher
author_sort Charles A. Kwadha
collection DOAJ
description ABSTRACT The spotted‐wing drosophila, Drosophila suzukii and the cosmopolitan vinegar fly D. melanogaster feed on soft fruit and berries and widely overlap in geographic range. The presence of D. melanogaster reduces egg‐laying in D. suzukii, possibly because D. melanogaster outcompetes D. suzukii larvae feeding in the same fruit substrate. Flies use pheromones to communicate for mating, but pheromones also serve a role in reproductive isolation between related species. We asked whether a D. melanogaster pheromone also modulates oviposition behaviour in D. suzukii. A dual‐choice oviposition assay confirms that D. suzukii lays fewer eggs on blueberries exposed to D. melanogaster flies and further shows that female flies have a stronger effect than male flies. This was corroborated by treating berries with synthetic pheromones. Avoidance of D. suzukii oviposition is mediated by the female D. melanogaster pheromone (Z)‐4‐undecenal (Z4‐11Al). Significantly fewer eggs were laid on berries treated with synthetic Z4‐11Al. In comparison, the male pheromone (Z)‐11‐octadecenyl acetate (cVA) had no effect on D. suzukii oviposition. Z4‐11Al is a highly volatile compound that is perceived via olfaction and it is accordingly behaviourally active at a distance from the source. D. suzukii is known to engage in mutual niche construction with the yeast Hanseniaspora uvarum, which strongly attracts flies. Adding Z4‐11Al to fermenting H. uvarum significantly decreased D. suzukii flight attraction in a laboratory wind tunnel and a field trapping assay. That a D. melanogaster pheromone regulates oviposition in D. suzukii demonstrates that heterospecific pheromone communication contributes to reproductive isolation and resource partitioning in cognate species. Stimulo‐deterrent diversion or push‐pull methods, building on combined use of attractant and deterrent compounds, have shown promise for control of D. suzukii. A pheromone that specifically reduces D. suzukii attraction and oviposition adds to the toolbox for D. suzukii integrated management.
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spelling doaj-art-84417541649e410d87d9c3fc873950a52024-11-27T12:12:35ZengWileyEvolutionary Applications1752-45712024-11-011711n/an/a10.1111/eva.70042Sex Pheromone Mediates Resource Partitioning Between Drosophila melanogaster and D. suzukiiCharles A. Kwadha0Guillermo Rehermann1Deni Tasso2Simon Fellous3Marie Bengtsson4Erika A. Wallin5Adam Flöhr6Peter Witzgall7Paul G. Becher8Department Plant Protection Biology, Chemical Ecology Group Swedish University of Agricultural Sciences Alnarp SwedenDepartment Plant Protection Biology, Chemical Ecology Group Swedish University of Agricultural Sciences Alnarp SwedenDepartment Plant Protection Biology, Chemical Ecology Group Swedish University of Agricultural Sciences Alnarp SwedenCBGP, INRAE, CIRAD Institute Agro, IRD, University Montpellier Montpellier FranceDepartment Plant Protection Biology, Chemical Ecology Group Swedish University of Agricultural Sciences Alnarp SwedenDepartment Natural Science, Design and Sustainable Development Mid Sweden University Sundsvall SwedenDepartment Biosystems and Technology Swedish University of Agricultural Sciences Lomma SwedenDepartment Plant Protection Biology, Chemical Ecology Group Swedish University of Agricultural Sciences Alnarp SwedenDepartment Plant Protection Biology, Chemical Ecology Group Swedish University of Agricultural Sciences Alnarp SwedenABSTRACT The spotted‐wing drosophila, Drosophila suzukii and the cosmopolitan vinegar fly D. melanogaster feed on soft fruit and berries and widely overlap in geographic range. The presence of D. melanogaster reduces egg‐laying in D. suzukii, possibly because D. melanogaster outcompetes D. suzukii larvae feeding in the same fruit substrate. Flies use pheromones to communicate for mating, but pheromones also serve a role in reproductive isolation between related species. We asked whether a D. melanogaster pheromone also modulates oviposition behaviour in D. suzukii. A dual‐choice oviposition assay confirms that D. suzukii lays fewer eggs on blueberries exposed to D. melanogaster flies and further shows that female flies have a stronger effect than male flies. This was corroborated by treating berries with synthetic pheromones. Avoidance of D. suzukii oviposition is mediated by the female D. melanogaster pheromone (Z)‐4‐undecenal (Z4‐11Al). Significantly fewer eggs were laid on berries treated with synthetic Z4‐11Al. In comparison, the male pheromone (Z)‐11‐octadecenyl acetate (cVA) had no effect on D. suzukii oviposition. Z4‐11Al is a highly volatile compound that is perceived via olfaction and it is accordingly behaviourally active at a distance from the source. D. suzukii is known to engage in mutual niche construction with the yeast Hanseniaspora uvarum, which strongly attracts flies. Adding Z4‐11Al to fermenting H. uvarum significantly decreased D. suzukii flight attraction in a laboratory wind tunnel and a field trapping assay. That a D. melanogaster pheromone regulates oviposition in D. suzukii demonstrates that heterospecific pheromone communication contributes to reproductive isolation and resource partitioning in cognate species. Stimulo‐deterrent diversion or push‐pull methods, building on combined use of attractant and deterrent compounds, have shown promise for control of D. suzukii. A pheromone that specifically reduces D. suzukii attraction and oviposition adds to the toolbox for D. suzukii integrated management.https://doi.org/10.1111/eva.70042chemical communicationcompetition avoidancefood partitioningfruit flyinsect–yeast interactionintegrated pest management
spellingShingle Charles A. Kwadha
Guillermo Rehermann
Deni Tasso
Simon Fellous
Marie Bengtsson
Erika A. Wallin
Adam Flöhr
Peter Witzgall
Paul G. Becher
Sex Pheromone Mediates Resource Partitioning Between Drosophila melanogaster and D. suzukii
Evolutionary Applications
chemical communication
competition avoidance
food partitioning
fruit fly
insect–yeast interaction
integrated pest management
title Sex Pheromone Mediates Resource Partitioning Between Drosophila melanogaster and D. suzukii
title_full Sex Pheromone Mediates Resource Partitioning Between Drosophila melanogaster and D. suzukii
title_fullStr Sex Pheromone Mediates Resource Partitioning Between Drosophila melanogaster and D. suzukii
title_full_unstemmed Sex Pheromone Mediates Resource Partitioning Between Drosophila melanogaster and D. suzukii
title_short Sex Pheromone Mediates Resource Partitioning Between Drosophila melanogaster and D. suzukii
title_sort sex pheromone mediates resource partitioning between drosophila melanogaster and d suzukii
topic chemical communication
competition avoidance
food partitioning
fruit fly
insect–yeast interaction
integrated pest management
url https://doi.org/10.1111/eva.70042
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