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Divergent mechanisms of acoustic mate recognition between closely related field cricket species (Teleogryllus spp.)

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Date
08/2017
Author
Bailey, Nathan William
Moran, Peter
Hennig, R Matthias
Funder
NERC
NERC
NERC
Grant ID
NE/G014906/1
NE/L011255/1
Ne/I027800/1
Keywords
Acoustic communication
Divergence
Female preference
Mate recognition
Reproductive isolation
Sexual selection
Speciaton
Teleogryllus
QH301 Biology
QH426 Genetics
NDAS
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Abstract
Effective recognition of conspecific mating signals reduces the risk of maladaptive hybridization. Dissecting the signal recognition algorithms that underlie preferences is a useful approach for testing whether closely related taxa evaluate the same or different signal features to achieve mate recognition. Such data provide information about potential constraints and targets of selection during evolutionary divergence. Using a series of mate choice trials, we tested whether closely related, but genetically and phenotypically divergent, field cricket species (Teleogryllus oceanicus and Teleogryllus commodus) use shared or distinct recognition algorithms when evaluating acoustic male calling songs. These species overlap in sympatry, show premating isolation based on female discrimination of male calling songs, yet are capable of producing hybrid offspring. Unexpectedly, female selectivity for features of male song differed between the two species. We found that the two species use a combination of shared and unique signal filtering mechanisms, and we characterized how information about male carrier frequency, pulse rate and temporal patterning is integrated to achieve song recognition in each species. These results illustrate how comparatively few, simple modifications in key components of signal recognition algorithms can lead to striking interspecific discrimination between closely related taxa, despite apparent signal complexity. The finding that some steps during signal recognition and filtering are shared between the species, while others differ, can help to identify behavioural traits targeted by selection during evolutionary divergence.
Citation
Bailey , N W , Moran , P & Hennig , R M 2017 , ' Divergent mechanisms of acoustic mate recognition between closely related field cricket species ( Teleogryllus spp. ) ' , Animal Behaviour , vol. 130 , pp. 17-25 . https://doi.org/10.1016/j.anbehav.2017.06.007
Publication
Animal Behaviour
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.anbehav.2017.06.007
ISSN
0003-3472
Type
Journal article
Rights
© 2017, The Association for the Study of Animal Behaviour. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at www.sciencedirect.com / https://doi.org/10.1016/j.anbehav.2017.06.007
Description
Funding support to N.W.B. from the Natural Environment Research Council (NE/G014906/1, NE/L011255/1, NE/I027800/1)
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/14835

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