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Relevance of ddRADseq method for species and population delimitation of closely related and widely distributed wolf spiders (Araneae, Lycosidae)
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Relevance of ddRADseq method for species and population delimitation of closely related and widely distributed wolf spiders (Araneae, Lycosidae)
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Relevance of ddRADseq method for species and population delimitation of closely related and widely distributed wolf spiders (Araneae, Lycosidae)
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Journal Article
Relevance of ddRADseq method for species and population delimitation of closely related and widely distributed wolf spiders (Araneae, Lycosidae)
2021
Overview
Although species delimitation is often controversial, emerging DNA-based and classical morphology-based methods are rarely compared using large-scale samplings, even less in the case of widely distributed species that have distant, allopatric populations. In the current study, we examined species boundaries within two wolf spider species of the genus Pardosa (Araneae, Lycosidae), P. riparia and P. palustris. Wolf spiders constitute an excellent model for testing the relevance of traditional vs. modern methods in species and population delimitation because several closely related species are distributed over cross-continental geographic ranges. Allopatric populations of the two Pardosa species were sampled across Europe to Far East Russia (latitudinal range > 150°) and several dozen individuals were studied using morphological characters (morphometry of three measures for both sexes, plus five in males only and two in females only), DNA barcoding (COI sequencing) and double-digest restriction site associated DNA sequencing (ddRADseq). The results obtained allow for changing the taxonomic status of two Far East Russian populations to subspecies and ddRADseq proved to be a powerful tool for taxonomic research despite scarce sampling and inherent subjectivity of species delimitation in allopatry. Overall, this study pleads for both multi-criteria and more population-based studies in taxonomy.
Publisher
Nature Publishing Group,CCSD,Springer Science and Business Media LLC,Nature Publishing Group UK,Nature Portfolio
Subject
/ 631/601
/ [SDV.BA.ZI] Life Sciences [q-bio]/Animal biology/Invertebrate Zoology
/ [SDV.BID.SPT] Life Sciences [q-bio]/Biodiversity/Systematics, Phylogenetics and taxonomy
/ [SDV.BID.SPT]Life Sciences [q-bio]/Biodiversity/Systematics
/ Animals
/ Araneae
/ DNA
/ Electron Transport Complex IV
/ Electron Transport Complex IV - genetics
/ Humanities and Social Sciences
/ Medicine
/ Principal Component Analysis
/ Q
/ R
/ Science
/ Sequence Analysis, DNA - methods
/ Species
/ Spiders
/ Systematics, Phylogenetics and taxonomy
/ Taxonomy
