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Biogeography of Timor and surrounding Wallacean Islands: Endemism in ants of the genus Polyrhachis Fr. Smith

Andersen, Alan N., Kahout, Rudolf J. and Trainor, Colin R. (2013). Biogeography of Timor and surrounding Wallacean Islands: Endemism in ants of the genus Polyrhachis Fr. Smith. Diversity,5(1):139-148.

Document type: Journal Article
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IRMA ID 82057923xPUB562
Title Biogeography of Timor and surrounding Wallacean Islands: Endemism in ants of the genus Polyrhachis Fr. Smith
Author Andersen, Alan N.
Kahout, Rudolf J.
Trainor, Colin R.
Journal Name Diversity
Publication Date 2013
Volume Number 5
Issue Number 1
ISSN 1424-2818   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-84878345786
Start Page 139
End Page 148
Total Pages 10
Place of Publication Switzerland
Publisher MDPIAG
HERDC Category C1 - Journal Article (DIISR)
Abstract The Wallacean island of Timor is of particular biological interest due to its relatively large size and transitional location between the Indo-Malayan and Australasian biogeographic realms. However, the origins and levels of endemism of its invertebrate fauna are poorly known. A recent study of Timorese ants revealed a diverse fauna with predominantly Indo-Malayan affinities, but species-level taxonomy was considered to be too poorly understood for an analysis of levels of endemism. The highly diverse Old World tropical genus Polyrhachis represents a notable exception, and here we analyse levels of endemism in the Polyrhachis fauna of Timor and surrounding islands. We supplement the species listed in the previous study with additional collections to record a total of 35 species of Polyrhachis from Timor and surrounding islands. Only 14 (40%) of the 35 species could be named (P. constricta, P. costulata, P. gab, P. sokolova, P. hera, P. illaudata, P. rixosa, P. acantha chrysophanes, P. saevissima, P. bicolor, P. cryptoceroides, P. dives, P. longipes and P. olybria), and the large majority of the remaining species have not previously been collected. These are very likely to be endemic to Timor and surrounding islands, and point to remarkably high levels (>50%) of endemism in the regional ant fauna.
Keywords Ant fauna
Indo-Malaya
New species
Wallacea
DOI http://dx.doi.org/10.3390/d5010139   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
Open access True
Additional Notes This is an Open Access article distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Description for Link Link to CC Attribution 3.0 License
URL https://creativecommons.org/licenses/by/3.0/au/legalcode


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