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Female resistance and harmonic convergence influence male mating success in Aedes aegypti

Despite the importance of mosquito mating biology to reproductive control strategies, a mechanistic understanding of individual mating interactions is currently lacking. Using synchronised high-speed video and audio recordings, we quantified behavioural and acoustic features of mating attempts betwe...

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Autores principales: Aldersley, Andrew, Cator, Lauren J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6375921/
https://www.ncbi.nlm.nih.gov/pubmed/30765779
http://dx.doi.org/10.1038/s41598-019-38599-3
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author Aldersley, Andrew
Cator, Lauren J.
author_facet Aldersley, Andrew
Cator, Lauren J.
author_sort Aldersley, Andrew
collection PubMed
description Despite the importance of mosquito mating biology to reproductive control strategies, a mechanistic understanding of individual mating interactions is currently lacking. Using synchronised high-speed video and audio recordings, we quantified behavioural and acoustic features of mating attempts between tethered female and free-flying male Aedes aegypti. In most couplings, males were actively displaced by female kicks in the early phases of the interaction, while flight cessation prior to adoption of the pre-copulatory mating pose also inhibited copulation. Successful males were kicked at a reduced rate and sustained paired contact-flight for longer than those that were rejected. We identified two distinct phases of acoustic interaction. Rapid frequency modulation of flight tones was observed in all interactions up to acceptance of the male. Harmonic convergence (wingbeat frequency matching) was detected more often in successful attempts, coinciding with the transition to stabilised paired flight and subsequent genital contact. Our findings provide a clearer understanding of the relationship between acoustic interactions and mating performance in mosquitoes, offering insights which may be used to target improvements in laboratory reared lines.
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spelling pubmed-63759212019-02-19 Female resistance and harmonic convergence influence male mating success in Aedes aegypti Aldersley, Andrew Cator, Lauren J. Sci Rep Article Despite the importance of mosquito mating biology to reproductive control strategies, a mechanistic understanding of individual mating interactions is currently lacking. Using synchronised high-speed video and audio recordings, we quantified behavioural and acoustic features of mating attempts between tethered female and free-flying male Aedes aegypti. In most couplings, males were actively displaced by female kicks in the early phases of the interaction, while flight cessation prior to adoption of the pre-copulatory mating pose also inhibited copulation. Successful males were kicked at a reduced rate and sustained paired contact-flight for longer than those that were rejected. We identified two distinct phases of acoustic interaction. Rapid frequency modulation of flight tones was observed in all interactions up to acceptance of the male. Harmonic convergence (wingbeat frequency matching) was detected more often in successful attempts, coinciding with the transition to stabilised paired flight and subsequent genital contact. Our findings provide a clearer understanding of the relationship between acoustic interactions and mating performance in mosquitoes, offering insights which may be used to target improvements in laboratory reared lines. Nature Publishing Group UK 2019-02-14 /pmc/articles/PMC6375921/ /pubmed/30765779 http://dx.doi.org/10.1038/s41598-019-38599-3 Text en © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Aldersley, Andrew
Cator, Lauren J.
Female resistance and harmonic convergence influence male mating success in Aedes aegypti
title Female resistance and harmonic convergence influence male mating success in Aedes aegypti
title_full Female resistance and harmonic convergence influence male mating success in Aedes aegypti
title_fullStr Female resistance and harmonic convergence influence male mating success in Aedes aegypti
title_full_unstemmed Female resistance and harmonic convergence influence male mating success in Aedes aegypti
title_short Female resistance and harmonic convergence influence male mating success in Aedes aegypti
title_sort female resistance and harmonic convergence influence male mating success in aedes aegypti
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6375921/
https://www.ncbi.nlm.nih.gov/pubmed/30765779
http://dx.doi.org/10.1038/s41598-019-38599-3
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