Trans-Saharan migratory patterns in Vanessa cardui and evidence for a southward leapfrog migration
Summary: Some insects, such as the painted lady butterfly Vanessa cardui, exhibit complex annual migratory cycles spanning multiple generations. Traversing extensive seas or deserts is often a required segment of these migratory journeys. We develop a bioavailable strontium isoscape for Europe and A...
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Elsevier
2024-12-01
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| Series: | iScience |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2589004224025677 |
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| author | Megan S. Reich Sana Ghouri Samantha Zabudsky Lihai Hu Mael Le Corre Ivy Ng’iru Dubi Benyamini Daria Shipilina Steve C. Collins Dino J. Martins Roger Vila Gerard Talavera Clément P. Bataille |
| author_facet | Megan S. Reich Sana Ghouri Samantha Zabudsky Lihai Hu Mael Le Corre Ivy Ng’iru Dubi Benyamini Daria Shipilina Steve C. Collins Dino J. Martins Roger Vila Gerard Talavera Clément P. Bataille |
| author_sort | Megan S. Reich |
| collection | DOAJ |
| description | Summary: Some insects, such as the painted lady butterfly Vanessa cardui, exhibit complex annual migratory cycles spanning multiple generations. Traversing extensive seas or deserts is often a required segment of these migratory journeys. We develop a bioavailable strontium isoscape for Europe and Africa and then use isotope geolocation combining hydrogen and strontium isotopes to estimate the natal origins of painted ladies captured north and south of the Sahara during spring and autumn, respectively. Our findings reveal moderate migratory connectivity across the Sahara characterized by a broad-front, parallel migration. We also report evidence of a leapfrog migration, wherein early autumn migrants from higher latitudes cover greater distances southward than their late autumn counterparts. This work represents a major advancement in understanding insect migratory patterns and connectivity, particularly across extensive barriers, which is essential for understanding population dynamics and predicting the impacts of global change on insect-mediated ecosystem services. |
| format | Article |
| id | doaj-art-4e3b60a0701449cda2cc4eb767bede61 |
| institution | OA Journals |
| issn | 2589-0042 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | iScience |
| spelling | doaj-art-4e3b60a0701449cda2cc4eb767bede612025-08-20T02:35:01ZengElsevieriScience2589-00422024-12-01271211134210.1016/j.isci.2024.111342Trans-Saharan migratory patterns in Vanessa cardui and evidence for a southward leapfrog migrationMegan S. Reich0Sana Ghouri1Samantha Zabudsky2Lihai Hu3Mael Le Corre4Ivy Ng’iru5Dubi Benyamini6Daria Shipilina7Steve C. Collins8Dino J. Martins9Roger Vila10Gerard Talavera11Clément P. Bataille12Department of Biology, University of Ottawa, Ottawa, ON, Canada; Corresponding authorDepartment of Biology, University of Ottawa, Ottawa, ON, CanadaDepartment of Biology, University of Ottawa, Ottawa, ON, CanadaDepartment of Earth and Environmental Sciences, University of Ottawa, Ottawa, ON, CanadaDepartment of Archaeology, University of Aberdeen, Aberdeen, UK; UMR 7209 - AASPE, Muséum national d'Histoire naturelle, Paris, FranceMpala Research Centre, Nanyuki, Laikipia, Kenya; School of Biosciences, Cardiff University, Cardiff, Wales, UK; UK Centre for Ecology and Hydrology, Wallingford, Oxfordshire, UKThe Israeli Lepidopterist Society, Beit Arye, IsraelDepartment of Ecology and Genetics, Uppsala University, Uppsala, SwedenAfrican Butterfly Research Institute, Nairobi, Kenya; McGuire Center for Lepidoptera and Biodiversity, University of Florida, Gainesville, FL, USAMpala Research Centre, Nanyuki, Laikipia, Kenya; Turkana Basin Institute, Stony Brook University, Stony Brook, NY, USAInstitut de Biologia Evolutiva, CSIC - Universitat Pompeu Fabra, Barcelona, Catalonia, SpainInstitut Botànic de Barcelona (IBB), CSIC - CMCNB, Barcelona, Catalonia, SpainDepartment of Biology, University of Ottawa, Ottawa, ON, Canada; Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, ON, Canada; Corresponding authorSummary: Some insects, such as the painted lady butterfly Vanessa cardui, exhibit complex annual migratory cycles spanning multiple generations. Traversing extensive seas or deserts is often a required segment of these migratory journeys. We develop a bioavailable strontium isoscape for Europe and Africa and then use isotope geolocation combining hydrogen and strontium isotopes to estimate the natal origins of painted ladies captured north and south of the Sahara during spring and autumn, respectively. Our findings reveal moderate migratory connectivity across the Sahara characterized by a broad-front, parallel migration. We also report evidence of a leapfrog migration, wherein early autumn migrants from higher latitudes cover greater distances southward than their late autumn counterparts. This work represents a major advancement in understanding insect migratory patterns and connectivity, particularly across extensive barriers, which is essential for understanding population dynamics and predicting the impacts of global change on insect-mediated ecosystem services.http://www.sciencedirect.com/science/article/pii/S2589004224025677ChemistryNature conservationEcologyEntomology |
| spellingShingle | Megan S. Reich Sana Ghouri Samantha Zabudsky Lihai Hu Mael Le Corre Ivy Ng’iru Dubi Benyamini Daria Shipilina Steve C. Collins Dino J. Martins Roger Vila Gerard Talavera Clément P. Bataille Trans-Saharan migratory patterns in Vanessa cardui and evidence for a southward leapfrog migration iScience Chemistry Nature conservation Ecology Entomology |
| title | Trans-Saharan migratory patterns in Vanessa cardui and evidence for a southward leapfrog migration |
| title_full | Trans-Saharan migratory patterns in Vanessa cardui and evidence for a southward leapfrog migration |
| title_fullStr | Trans-Saharan migratory patterns in Vanessa cardui and evidence for a southward leapfrog migration |
| title_full_unstemmed | Trans-Saharan migratory patterns in Vanessa cardui and evidence for a southward leapfrog migration |
| title_short | Trans-Saharan migratory patterns in Vanessa cardui and evidence for a southward leapfrog migration |
| title_sort | trans saharan migratory patterns in vanessa cardui and evidence for a southward leapfrog migration |
| topic | Chemistry Nature conservation Ecology Entomology |
| url | http://www.sciencedirect.com/science/article/pii/S2589004224025677 |
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