dc.contributor.author |
Brettschneider, Helene
|
|
dc.contributor.author |
Chimimba, Christian Timothy
|
|
dc.contributor.author |
Scholtz, Clarke H.
|
|
dc.contributor.author |
Bastos, Armanda D.S.
|
|
dc.contributor.author |
Bateman, Philip W.
|
|
dc.date.accessioned |
2013-06-28T06:29:28Z |
|
dc.date.available |
2013-06-28T06:29:28Z |
|
dc.date.issued |
2009-01 |
|
dc.description.abstract |
An evaluation of genetic structuring and morphometric variation within tusked king crickets, Libanasidus vittatus (Kirby, 1899) from South Africa suggests two main population assemblages. Maximum likelihood (ML), Parsimony, Bayesian and phenetic analyses of mitochondrial cytochrome oxidase I (COI) sequence data recovered two well-supported clades corresponding to two biogeographically distinct populations. Canonical variates (discriminant) analysis (CVA) also showed evidence of two phenetic assemblages that correspond to the genetically delineated groups. Libanasidus vittatus is the recognized species occurring within an eastern population in South Africa (Mpumalanga and Eastern Cape Provinces), while a possible novel species occurs within a north–western population in South Africa (Limpopo and Gauteng Provinces). Using a molecular clock estimate of 2.0 % divergence per million years, suggests isolation of the two populations at ~1.65 MYA, possibly due to the formation of isolating forest pockets during the dry Pleistocene Epoch. The average genetic divergence of 3.3% between the two populations, and low migration rate estimates corresponding to less than one female migration per generation further support the presence of two cryptic tusked king cricket species in South Africa. |
en |
dc.description.librarian |
hb2013 |
en |
dc.description.librarian |
ab2013 |
|
dc.description.sponsorship |
The study was funded by the University of Pretoria and the South African National Research Foundation (NRF) under grant GUN 2053665. |
en |
dc.description.uri |
http://www.brill.com/insect-systematics-evolution |
en |
dc.identifier.citation |
Brettschneider, H, Chimimba, CT, Scholtz, CH, Bastos, ADS & Bateman, PW 2009, 'The tusked king cricket (Libanasidus vittatus (Kirby, 1899), Anostostomatidae) from South Africa : morphological and molecular evidence suggest two cryptic species', Insect Systematics and Evolution, vol. 40, no. 1, pp. 85-103. |
en |
dc.identifier.issn |
1399-560X (print) |
|
dc.identifier.issn |
1876-312X (online) |
|
dc.identifier.other |
10.1163/187631209X416732 |
|
dc.identifier.uri |
http://hdl.handle.net/2263/21759 |
|
dc.language.iso |
en |
en |
dc.publisher |
Brill |
en |
dc.rights |
© 2013 Brill. All rights reserved. |
en |
dc.subject |
Libanasidus vittatus |
en |
dc.subject |
South Africa |
en |
dc.subject |
Morphometrics |
en |
dc.subject |
Cytochrome oxidase 1 |
en |
dc.subject |
Cryptic species |
en |
dc.subject |
Tusked king cricket |
en |
dc.subject.lcsh |
Anostostomatidae |
en |
dc.title |
The tusked king cricket (Libanasidus vittatus (Kirby, 1899)( Anostostomatidae) from South Africa : morphological and molecular evidence suggest two cryptic species |
en |
dc.type |
Postprint Article |
en |