A north-south hemispheric migratory divide in the butterfly Vanessa cardui

Reversed seasonality and distinct navigation cues in the Earth’s two hemispheres may shape the evolution of migratory behaviour in animals. Migratory divides—contact zones where populations have evolved alternative migratory strategies—are well-documented in birds and typically occur longitudinally....

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Autores: García-Berro, Aurora, Suchan, Tomasz, Pierce, Naomi E., Shipilina, Daria, Palahí i Torres, Aleix, Backström, Niclas, Collins, Steve C., Martins, Dino J., Vila, Roger, Talavera, Gerard
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/412930
Acceso en línea:http://hdl.handle.net/10261/412930
Access Level:acceso abierto
Palabra clave:Animal migration
Evolutionary ecology
Evolutionary genetics
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spelling A north-south hemispheric migratory divide in the butterfly Vanessa carduiGarcía-Berro, AuroraSuchan, TomaszPierce, Naomi E.Shipilina, DariaPalahí i Torres, AleixBackström, NiclasCollins, Steve C.Martins, Dino J.Vila, RogerTalavera, GerardAnimal migrationEvolutionary ecologyEvolutionary geneticsReversed seasonality and distinct navigation cues in the Earth’s two hemispheres may shape the evolution of migratory behaviour in animals. Migratory divides—contact zones where populations have evolved alternative migratory strategies—are well-documented in birds and typically occur longitudinally. We hypothesise that insect migratory divides are less likely to emerge longitudinally, but may exist latitudinally, driven by hemisphere-specific sensory adaptations that lead to spatial and temporal isolation. Here, we examine this hypothesis in the cosmopolitan painted lady butterfly (Vanessa cardui), whose Southern Hemisphere dynamics remain unexplored. Investigating the genomes of 300 individuals across Africa and Europe, we identify a 9 Mb chromosomal inversion on chromosome 8, which exhibits strong haplotype structure aligned with hemispheric origin, with a few potential heterozygotes near the equator. The inversion harbours 336 genes, including several directly relevant to migration. Notably, one inversion breakpoint intersects the gene encoding the GABA-B receptor, which responds to the neuropeptide γ-aminobutyric acid (GABA), crucial for insect navigation. Our findings provide genomic evidence of a migratory divide in insects and highlight the role of inverted seasonality in the two hemispheres and genomic rearrangements as isolating barriers for highly mobile species.This work was funded by the grants PID2020-117739GA-I00 and PID2023-152239NB-I00 (MCIN / AEI / 10.13039/501100011033), by the National Geographic Society (grant WW1-300R-18), by the grant LINKA20399 from the CSIC iLink program, and by grant 2021-SGR-01334 (Departament de Recerca i Universitats, Generalitat de Catalunya) to G.T. A.G.B is supported by the grant FPU-2019-01593. R.V. is supported by grant PID2022-139689NB-I00 (MICIU/ AEI/ 10.13039/501100011033 and ERDF, EU) and by grant 2021-SGR-00420 (Departament de Recerca i Universitats, Generalitat de Catalunya). G.T. and N.E.P. also acknowledge the Putnam Expeditionary Fund from the Museum of Comparative Zoology (MCZ, Harvard University)Introduction Results And Discussion Methods Data availability Code availability References Acknowledgements Author information Ethics declarations Peer review Additional information Supplementary information Rights and permissionsPeer reviewedSpringer NatureMinisterio de Ciencia e Innovación (España)National Geographic SocietyGeneralitat de CatalunyaMinisterio de Ciencia, Innovación y Universidades (España)Harvard UniversityConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2026202620252026info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/412930reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117739GA-I00info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2023-152239NB-I00info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-139689NB-I00http://dx.doi.org/10.1038/s41467-025-67185-7Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/4129302026-05-22T06:33:51Z
dc.title.none.fl_str_mv A north-south hemispheric migratory divide in the butterfly Vanessa cardui
title A north-south hemispheric migratory divide in the butterfly Vanessa cardui
spellingShingle A north-south hemispheric migratory divide in the butterfly Vanessa cardui
García-Berro, Aurora
Animal migration
Evolutionary ecology
Evolutionary genetics
title_short A north-south hemispheric migratory divide in the butterfly Vanessa cardui
title_full A north-south hemispheric migratory divide in the butterfly Vanessa cardui
title_fullStr A north-south hemispheric migratory divide in the butterfly Vanessa cardui
title_full_unstemmed A north-south hemispheric migratory divide in the butterfly Vanessa cardui
title_sort A north-south hemispheric migratory divide in the butterfly Vanessa cardui
dc.creator.none.fl_str_mv García-Berro, Aurora
Suchan, Tomasz
Pierce, Naomi E.
Shipilina, Daria
Palahí i Torres, Aleix
Backström, Niclas
Collins, Steve C.
Martins, Dino J.
Vila, Roger
Talavera, Gerard
author García-Berro, Aurora
author_facet García-Berro, Aurora
Suchan, Tomasz
Pierce, Naomi E.
Shipilina, Daria
Palahí i Torres, Aleix
Backström, Niclas
Collins, Steve C.
Martins, Dino J.
Vila, Roger
Talavera, Gerard
author_role author
author2 Suchan, Tomasz
Pierce, Naomi E.
Shipilina, Daria
Palahí i Torres, Aleix
Backström, Niclas
Collins, Steve C.
Martins, Dino J.
Vila, Roger
Talavera, Gerard
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación (España)
National Geographic Society
Generalitat de Catalunya
Ministerio de Ciencia, Innovación y Universidades (España)
Harvard University
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Animal migration
Evolutionary ecology
Evolutionary genetics
topic Animal migration
Evolutionary ecology
Evolutionary genetics
description Reversed seasonality and distinct navigation cues in the Earth’s two hemispheres may shape the evolution of migratory behaviour in animals. Migratory divides—contact zones where populations have evolved alternative migratory strategies—are well-documented in birds and typically occur longitudinally. We hypothesise that insect migratory divides are less likely to emerge longitudinally, but may exist latitudinally, driven by hemisphere-specific sensory adaptations that lead to spatial and temporal isolation. Here, we examine this hypothesis in the cosmopolitan painted lady butterfly (Vanessa cardui), whose Southern Hemisphere dynamics remain unexplored. Investigating the genomes of 300 individuals across Africa and Europe, we identify a 9 Mb chromosomal inversion on chromosome 8, which exhibits strong haplotype structure aligned with hemispheric origin, with a few potential heterozygotes near the equator. The inversion harbours 336 genes, including several directly relevant to migration. Notably, one inversion breakpoint intersects the gene encoding the GABA-B receptor, which responds to the neuropeptide γ-aminobutyric acid (GABA), crucial for insect navigation. Our findings provide genomic evidence of a migratory divide in insects and highlight the role of inverted seasonality in the two hemispheres and genomic rearrangements as isolating barriers for highly mobile species.
publishDate 2025
dc.date.none.fl_str_mv 2025
2026
2026
2026
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/412930
url http://hdl.handle.net/10261/412930
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117739GA-I00
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2023-152239NB-I00
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-139689NB-I00
http://dx.doi.org/10.1038/s41467-025-67185-7
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Springer Nature
publisher.none.fl_str_mv Springer Nature
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
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