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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Trans-oceanic and endemic origins of the small minnow mayflies (Ephemeroptera, Baetidae) of Madagascar
Proceedings of the Royal Society B: Biological Sciences, Volume 272, No. 1574, Year 2005
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Description
We investigated the relative importance of dispersal and vicariance in forming the Madagascar insect fauna, sequencing approximately 2300 bp from three rRNA gene regions to investigate the phylogeny of Afrotropical small minnow mayflies (Ephemeroptera: Baetidae). Six lineages contained trans-oceanic sister taxa, and variation in genetic divergence between sister taxa revealed relationships that range from very recent dispersal to ancient vicariance. Dispersal was most recent and frequent in species that spend the larval stage in standing water, adding to evidence that these evolutionarily unstable habitats may select for ecological traits that increase dispersal in insects. Ancestral state likelihood analysis suggested at least one Afrotropical lineage had its origin in Madagascar, demonstrating that unidirectional dispersal from a continental source may be too simplistic. We conclude that the Malagasy mayfly fauna should be considered in a biogeographical context that extends beyond Madagascar itself, encompassing transoceanic dispersal within multiple lineages. © 2005 The Royal Society.
Authors & Co-Authors
Monaghan, Michael T.
United Kingdom, London
The Natural History Museum, London
United Kingdom, London
Imperial College London
Gattolliat, Jean Luc
Switzerland, Lausanne
Musée Cantonal de Zoologie
Sartori, Michel
Switzerland, Lausanne
Musée Cantonal de Zoologie
Elouard, Jean Marc
France, Montpellier
Ird Centre de Montpellier
James, Helen
South Africa, Grahamstown
Albany Museum
South Africa, Grahamstown
Rhodes University
Derleth, Pascale
Switzerland, Lausanne
Musée Cantonal de Zoologie
Glaizot, Olivier
Switzerland, Lausanne
Musée Cantonal de Zoologie
De Moor, Ferdy C.
South Africa, Grahamstown
Albany Museum
South Africa, Grahamstown
Rhodes University
Vogler, Alfried P.
United Kingdom, London
The Natural History Museum, London
United Kingdom, London
Imperial College London
Statistics
Citations: 107
Authors: 9
Affiliations: 6
Identifiers
Doi:
10.1098/rspb.2005.3139
ISSN:
09628452
Research Areas
Environmental
Genetics And Genomics
Study Locations
Madagascar