A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia: host diversity within the SymbioCode Project

We report here on the taxonomic and molecular diversity of 10 929 terrestrial arthropod specimens, collected on four islands of the Society Archipelago, French Polynesia. The survey was part of the ‘SymbioCode Project’ that aims to establish the Society Islands as a natural laboratory in which to in...

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Main Authors: Thibault Ramage, Patricia Martins-Simoes, Gladys Mialdea, Roland Allemand, Anne Duplouy, Pascal Rousse, Neil Davies, George K. Roderick, Sylvain Charlat
Format: Article
Language:English
Published: Consortium of European Natural History Museums 2017-02-01
Series:European Journal of Taxonomy
Subjects:
Online Access:http://www.europeanjournaloftaxonomy.eu/index.php/ejt/article/view/396
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author Thibault Ramage
Patricia Martins-Simoes
Gladys Mialdea
Roland Allemand
Anne Duplouy
Pascal Rousse
Neil Davies
George K. Roderick
Sylvain Charlat
author_facet Thibault Ramage
Patricia Martins-Simoes
Gladys Mialdea
Roland Allemand
Anne Duplouy
Pascal Rousse
Neil Davies
George K. Roderick
Sylvain Charlat
author_sort Thibault Ramage
collection DOAJ
description We report here on the taxonomic and molecular diversity of 10 929 terrestrial arthropod specimens, collected on four islands of the Society Archipelago, French Polynesia. The survey was part of the ‘SymbioCode Project’ that aims to establish the Society Islands as a natural laboratory in which to investigate the flux of bacterial symbionts (e.g., Wolbachia) and other genetic material among branches of the arthropod tree. The sample includes an estimated 1127 species, of which 1098 included at least one DNA-barcoded specimen and 29 were identified to species level using morphological traits only. Species counts based on molecular data emphasize that some groups have been understudied in this region and deserve more focused taxonomic effort, notably Diptera, Lepidoptera and Hymenoptera. Some taxa that were also subjected to morphological scrutiny reveal a consistent match between DNA and morphology-based species boundaries in 90% of the cases, with a larger than expected genetic diversity in the remaining 10%. Many species from this sample are new to this region or are undescribed. Some are under description, but many await inspection by motivated experts, who can use the online images or request access to ethanol-stored specimens.
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spelling doaj.art-a4f624651b0c48b6b2c3aafdc2391c972022-12-21T18:25:20ZengConsortium of European Natural History MuseumsEuropean Journal of Taxonomy2118-97732017-02-0127210.5852/ejt.2017.272278A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia: host diversity within the SymbioCode ProjectThibault Ramage0Patricia Martins-Simoes1Gladys Mialdea2Roland Allemand3Anne Duplouy4Pascal Rousse5Neil Davies6George K. Roderick7Sylvain Charlat89 Quartier de la Glacière, 29900 ConcarneauLaboratoire de Biométrie & Biologie Evolutive, CNRS – Université Lyon 1, Bat. Mendel, 43 Boulevard du 11 November, 69622 VilleurbanneLaboratoire de Biométrie & Biologie Evolutive, CNRS – Université Lyon 1, Bat. Mendel, 43 Boulevard du 11 November, 69622 VilleurbanneLaboratoire de Biométrie & Biologie Evolutive, CNRS – Université Lyon 1, Bat. Mendel, 43 Boulevard du 11 November, 69622 VilleurbanneUniversity of Helsinki, Metapopulation Research Centre, Department of Biosciences, P.O. Box 65, Viikinkaari 1, 00014 Helsinki38 Rue des Primevère, 35160 Le VergerRichard B. Gump South Pacific Research Station, University of California Berkeley, BP 244 Maharepa, 98728 MooreaEnvironmental Science, Policy and Management, University of California, Berkeley, California 94720Laboratoire de Biométrie & Biologie Evolutive, CNRS – Université Lyon 1, Bat. Mendel, 43 Boulevard du 11 November, 69622 VilleurbanneWe report here on the taxonomic and molecular diversity of 10 929 terrestrial arthropod specimens, collected on four islands of the Society Archipelago, French Polynesia. The survey was part of the ‘SymbioCode Project’ that aims to establish the Society Islands as a natural laboratory in which to investigate the flux of bacterial symbionts (e.g., Wolbachia) and other genetic material among branches of the arthropod tree. The sample includes an estimated 1127 species, of which 1098 included at least one DNA-barcoded specimen and 29 were identified to species level using morphological traits only. Species counts based on molecular data emphasize that some groups have been understudied in this region and deserve more focused taxonomic effort, notably Diptera, Lepidoptera and Hymenoptera. Some taxa that were also subjected to morphological scrutiny reveal a consistent match between DNA and morphology-based species boundaries in 90% of the cases, with a larger than expected genetic diversity in the remaining 10%. Many species from this sample are new to this region or are undescribed. Some are under description, but many await inspection by motivated experts, who can use the online images or request access to ethanol-stored specimens.http://www.europeanjournaloftaxonomy.eu/index.php/ejt/article/view/396arthropodsDNA barcodingFrench PolynesiaMoorea BioCodeSymbioCode
spellingShingle Thibault Ramage
Patricia Martins-Simoes
Gladys Mialdea
Roland Allemand
Anne Duplouy
Pascal Rousse
Neil Davies
George K. Roderick
Sylvain Charlat
A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia: host diversity within the SymbioCode Project
European Journal of Taxonomy
arthropods
DNA barcoding
French Polynesia
Moorea BioCode
SymbioCode
title A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia: host diversity within the SymbioCode Project
title_full A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia: host diversity within the SymbioCode Project
title_fullStr A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia: host diversity within the SymbioCode Project
title_full_unstemmed A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia: host diversity within the SymbioCode Project
title_short A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia: host diversity within the SymbioCode Project
title_sort dna barcode based survey of terrestrial arthropods in the society islands of french polynesia host diversity within the symbiocode project
topic arthropods
DNA barcoding
French Polynesia
Moorea BioCode
SymbioCode
url http://www.europeanjournaloftaxonomy.eu/index.php/ejt/article/view/396
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