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

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Ramage , T , Martins-Simoes , P , Mialdea , G , Allemand , R , Duplouy , A , Rousse , P , Davies , N , Roderick , G K & Charlat , S 2017 , ' 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 , vol. 272 , pp. 1-13 . https://doi.org/10.5852/ejt.2017.272

Title: A DNA barcode-based survey of terrestrial arthropods in the Society Islands of French Polynesia : host diversity within the SymbioCode Project
Author: Ramage, Thibault; Martins-Simoes, Patricia; Mialdea, Gladys; Allemand, Roland; Duplouy, Anne; Rousse, Pascal; Davies, Neil; Roderick, George K.; Charlat, Sylvain
Other contributor: University of Helsinki, Biosciences


Date: 2017-02-07
Language: eng
Number of pages: 13
Belongs to series: European Journal of Taxonomy
ISSN: 2118-9773
DOI: https://doi.org/10.5852/ejt.2017.272
URI: http://hdl.handle.net/10138/181079
Abstract: 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.
Subject: Arthropods
DNA barcoding
French Polynesia
Moorea BioCode
SymbioCode
HYMENOPTERA
ACULEATA
RECORD
TREES
1181 Ecology, evolutionary biology
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