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Article

Overlooked Species Diversity and Distribution in the Antarctic Mite Genus Stereotydeus

1
Department of Life Sciences, University of Siena, Via A. Moro 2, 53100 Siena, Italy
2
Radboud Institute for Biological and Environmental Sciences (RIBES), Animal Ecology and Physiology, Radboud University, P.O. Box 9100, 6500 GL Nijmegen, The Netherlands
3
British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge CB3 0ET, UK
4
Department of Zoology, University of Johannesburg, P.O. Box 524, Auckland Park 2006, South Africa
*
Authors to whom correspondence should be addressed.
Academic Editor: Michael Wink
Diversity 2021, 13(10), 506; https://doi.org/10.3390/d13100506
Received: 24 August 2021 / Revised: 9 October 2021 / Accepted: 13 October 2021 / Published: 19 October 2021
(This article belongs to the Special Issue 2021 Feature Papers by Diversity’s Editorial Board Members)
In the harsh Antarctic terrestrial ecosystems, invertebrates are currently confined to sparse and restricted ice free areas, where they have survived on multi-million-year timescales in refugia. The limited dispersal abilities of these invertebrate species, their specific habitat requirements, and the presence of geographical barriers can drastically reduce gene flow between populations, resulting in high genetic differentiation. On continental Antarctica, mites are one of the most diverse invertebrate groups. Recently, two new species of the free living prostigmatid mite genus Stereotydeus Berlese, 1901 were discovered, bringing the number of Antarctic and sub-Antarctic species of this genus up to 15, of which 7 occur along the coast of Victoria Land and in the Transantarctic Mountains. To examine the biodiversity of Stereotydeus spp., the present study combines phylogenetic, morphological and population genetic data of specimens collected from nine localities in Victoria Land. Genetically distinct intraspecific groups are spatially isolated in northern Victoria Land, while, for other species, the genetic haplogroups more often occur sympatrically in southern Victoria Land. We provide a new distribution map for the Stereotydeus species of Victoria Land, which will assist future decisions in matters of the protection and conservation of the unique Antarctic terrestrial fauna. View Full-Text
Keywords: Victoria Land; molecular phylogeny; cox1; 28S; biogeography; terrestrial invertebrates; acari; Stereotydeus spp. Victoria Land; molecular phylogeny; cox1; 28S; biogeography; terrestrial invertebrates; acari; Stereotydeus spp.
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MDPI and ACS Style

Brunetti, C.; Siepel, H.; Convey, P.; Fanciulli, P.P.; Nardi, F.; Carapelli, A. Overlooked Species Diversity and Distribution in the Antarctic Mite Genus Stereotydeus. Diversity 2021, 13, 506. https://doi.org/10.3390/d13100506

AMA Style

Brunetti C, Siepel H, Convey P, Fanciulli PP, Nardi F, Carapelli A. Overlooked Species Diversity and Distribution in the Antarctic Mite Genus Stereotydeus. Diversity. 2021; 13(10):506. https://doi.org/10.3390/d13100506

Chicago/Turabian Style

Brunetti, Claudia, Henk Siepel, Peter Convey, Pietro Paolo Fanciulli, Francesco Nardi, and Antonio Carapelli. 2021. "Overlooked Species Diversity and Distribution in the Antarctic Mite Genus Stereotydeus" Diversity 13, no. 10: 506. https://doi.org/10.3390/d13100506

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