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Geographic differentiation in male calling song of Isophyamodestior (Orthoptera, Tettigoniidae, Phaneropterinae)

We studied the songs and morphology of the stridulatory file of Isophyamodestior across its complete geographic range, in order to test our hypothesis that the male calling song of the species shows strong differentiation between the northern (Pannonian) and southern (Balkan) parts of its distributi...

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Autores principales: Ivković, Slobodan, Chobanov, Dragan, Horvat, Laslo, Iorgu, Ionuț Ștefan, Hochkirch, Axel
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pensoft Publishers 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9848669/
https://www.ncbi.nlm.nih.gov/pubmed/36761206
http://dx.doi.org/10.3897/zookeys.1122.85721
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author Ivković, Slobodan
Chobanov, Dragan
Horvat, Laslo
Iorgu, Ionuț Ștefan
Hochkirch, Axel
author_facet Ivković, Slobodan
Chobanov, Dragan
Horvat, Laslo
Iorgu, Ionuț Ștefan
Hochkirch, Axel
author_sort Ivković, Slobodan
collection PubMed
description We studied the songs and morphology of the stridulatory file of Isophyamodestior across its complete geographic range, in order to test our hypothesis that the male calling song of the species shows strong differentiation between the northern (Pannonian) and southern (Balkan) parts of its distribution range, reflecting its disjunct distribution. Our analyses confirm this hypothesis, separating analyzed specimens of I.modestior into two main groups - one present in the central part of the Balkan Peninsula (representing Isophyamodestiorsensu stricto), with the second group occurring in the Pannonian Basin, Dinarides, Slovenia and NE Italy. The most reliable difference between the groups is the duration of the main syllable, the number of stridulatory teeth and number of pulses in the main syllable, where all values are higher in specimens from the Balkan Peninsula. Additional analyses showed that within the second group, there are differences in analyzed characters between specimens from the Pannonian Basin and specimens from the Dinaric area, the latter ones having intermediate song characteristics, closer to the group from the Balkan Peninsula. Our study shows that detailed bioacoustic analyses can help to unravel patterns of intraspecific differentiation and thus provide a useful tool for taxonomic studies.
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spelling pubmed-98486692023-02-08 Geographic differentiation in male calling song of Isophyamodestior (Orthoptera, Tettigoniidae, Phaneropterinae) Ivković, Slobodan Chobanov, Dragan Horvat, Laslo Iorgu, Ionuț Ștefan Hochkirch, Axel Zookeys Research Article We studied the songs and morphology of the stridulatory file of Isophyamodestior across its complete geographic range, in order to test our hypothesis that the male calling song of the species shows strong differentiation between the northern (Pannonian) and southern (Balkan) parts of its distribution range, reflecting its disjunct distribution. Our analyses confirm this hypothesis, separating analyzed specimens of I.modestior into two main groups - one present in the central part of the Balkan Peninsula (representing Isophyamodestiorsensu stricto), with the second group occurring in the Pannonian Basin, Dinarides, Slovenia and NE Italy. The most reliable difference between the groups is the duration of the main syllable, the number of stridulatory teeth and number of pulses in the main syllable, where all values are higher in specimens from the Balkan Peninsula. Additional analyses showed that within the second group, there are differences in analyzed characters between specimens from the Pannonian Basin and specimens from the Dinaric area, the latter ones having intermediate song characteristics, closer to the group from the Balkan Peninsula. Our study shows that detailed bioacoustic analyses can help to unravel patterns of intraspecific differentiation and thus provide a useful tool for taxonomic studies. Pensoft Publishers 2022-09-26 /pmc/articles/PMC9848669/ /pubmed/36761206 http://dx.doi.org/10.3897/zookeys.1122.85721 Text en Slobodan Ivković, Dragan Chobanov, Laslo Horvat, Ionuț Ștefan Iorgu, Axel Hochkirch https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Ivković, Slobodan
Chobanov, Dragan
Horvat, Laslo
Iorgu, Ionuț Ștefan
Hochkirch, Axel
Geographic differentiation in male calling song of Isophyamodestior (Orthoptera, Tettigoniidae, Phaneropterinae)
title Geographic differentiation in male calling song of Isophyamodestior (Orthoptera, Tettigoniidae, Phaneropterinae)
title_full Geographic differentiation in male calling song of Isophyamodestior (Orthoptera, Tettigoniidae, Phaneropterinae)
title_fullStr Geographic differentiation in male calling song of Isophyamodestior (Orthoptera, Tettigoniidae, Phaneropterinae)
title_full_unstemmed Geographic differentiation in male calling song of Isophyamodestior (Orthoptera, Tettigoniidae, Phaneropterinae)
title_short Geographic differentiation in male calling song of Isophyamodestior (Orthoptera, Tettigoniidae, Phaneropterinae)
title_sort geographic differentiation in male calling song of isophyamodestior (orthoptera, tettigoniidae, phaneropterinae)
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9848669/
https://www.ncbi.nlm.nih.gov/pubmed/36761206
http://dx.doi.org/10.3897/zookeys.1122.85721
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