Refugia within refugia: In situ speciation and conservation of threatened Bertmainius (Araneae:Migidae), a new genus of relictual trapdoor spiders endemic to the mesic zone of south-Western Australia

Mark Harvey, Barbara Main, M.G. Rix, S.J.B. Cooper

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    © CSIRO 2015. The trapdoor spider family Migidae has a classical Gondwanan distribution and is found on all southern continents except the Indian region. The Australian fauna consists of three genera including Moggridgea O. P. Cambridge from south-Western Australia and Kangaroo Island, South Australia; Moggridgea is otherwise widespread throughout Africa. The sole named species of Moggridgea from Western Australia, M. tingle Main, and its unnamed relatives are the subject of the present paper, which was stimulated by concern for the long-term persistence of populations, and the discovery of deep genetic divergences between populations. A phylogeny of the Western Australian species relative to African and South Australian Moggridgea was generated using molecular COI and ITS rDNA data, and based on both molecular and morphological criteria we conclude that the Western Australian taxa should be removed from Moggridgea and transferred to a new genus, Bertmainius. The seven species are delimited using both morphological and molecular criteria: B. tingle (Main) (the type species), and six new species, B. colonus, B. monachus, B. mysticus, B. opimus, B. pandus and B. tumidus. All seven species are considered to be threatened using IUCN criteria, with the major threatening processes being inappropriate fire regimes and climate change.
    Original languageEnglish
    Pages (from-to)511-553
    JournalInvertebrate Systematics
    Volume29
    Issue number6
    DOIs
    Publication statusPublished - 2016

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    Ctenizidae
    refugium
    refuge habitats
    South Australia
    spider
    Western Australia
    new genus
    Araneae
    Monachus
    fire regime
    Macropodidae
    climate change
    fauna
    genetic variation
    new species
    phylogeny
    persistence
    divergence
    in situ

    Cite this

    @article{05fa9b41ae6a4a4c975ba97dcefaf541,
    title = "Refugia within refugia: In situ speciation and conservation of threatened Bertmainius (Araneae:Migidae), a new genus of relictual trapdoor spiders endemic to the mesic zone of south-Western Australia",
    abstract = "{\circledC} CSIRO 2015. The trapdoor spider family Migidae has a classical Gondwanan distribution and is found on all southern continents except the Indian region. The Australian fauna consists of three genera including Moggridgea O. P. Cambridge from south-Western Australia and Kangaroo Island, South Australia; Moggridgea is otherwise widespread throughout Africa. The sole named species of Moggridgea from Western Australia, M. tingle Main, and its unnamed relatives are the subject of the present paper, which was stimulated by concern for the long-term persistence of populations, and the discovery of deep genetic divergences between populations. A phylogeny of the Western Australian species relative to African and South Australian Moggridgea was generated using molecular COI and ITS rDNA data, and based on both molecular and morphological criteria we conclude that the Western Australian taxa should be removed from Moggridgea and transferred to a new genus, Bertmainius. The seven species are delimited using both morphological and molecular criteria: B. tingle (Main) (the type species), and six new species, B. colonus, B. monachus, B. mysticus, B. opimus, B. pandus and B. tumidus. All seven species are considered to be threatened using IUCN criteria, with the major threatening processes being inappropriate fire regimes and climate change.",
    author = "Mark Harvey and Barbara Main and M.G. Rix and S.J.B. Cooper",
    year = "2016",
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    language = "English",
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    pages = "511--553",
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    T1 - Refugia within refugia: In situ speciation and conservation of threatened Bertmainius (Araneae:Migidae), a new genus of relictual trapdoor spiders endemic to the mesic zone of south-Western Australia

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    AU - Main, Barbara

    AU - Rix, M.G.

    AU - Cooper, S.J.B.

    PY - 2016

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    N2 - © CSIRO 2015. The trapdoor spider family Migidae has a classical Gondwanan distribution and is found on all southern continents except the Indian region. The Australian fauna consists of three genera including Moggridgea O. P. Cambridge from south-Western Australia and Kangaroo Island, South Australia; Moggridgea is otherwise widespread throughout Africa. The sole named species of Moggridgea from Western Australia, M. tingle Main, and its unnamed relatives are the subject of the present paper, which was stimulated by concern for the long-term persistence of populations, and the discovery of deep genetic divergences between populations. A phylogeny of the Western Australian species relative to African and South Australian Moggridgea was generated using molecular COI and ITS rDNA data, and based on both molecular and morphological criteria we conclude that the Western Australian taxa should be removed from Moggridgea and transferred to a new genus, Bertmainius. The seven species are delimited using both morphological and molecular criteria: B. tingle (Main) (the type species), and six new species, B. colonus, B. monachus, B. mysticus, B. opimus, B. pandus and B. tumidus. All seven species are considered to be threatened using IUCN criteria, with the major threatening processes being inappropriate fire regimes and climate change.

    AB - © CSIRO 2015. The trapdoor spider family Migidae has a classical Gondwanan distribution and is found on all southern continents except the Indian region. The Australian fauna consists of three genera including Moggridgea O. P. Cambridge from south-Western Australia and Kangaroo Island, South Australia; Moggridgea is otherwise widespread throughout Africa. The sole named species of Moggridgea from Western Australia, M. tingle Main, and its unnamed relatives are the subject of the present paper, which was stimulated by concern for the long-term persistence of populations, and the discovery of deep genetic divergences between populations. A phylogeny of the Western Australian species relative to African and South Australian Moggridgea was generated using molecular COI and ITS rDNA data, and based on both molecular and morphological criteria we conclude that the Western Australian taxa should be removed from Moggridgea and transferred to a new genus, Bertmainius. The seven species are delimited using both morphological and molecular criteria: B. tingle (Main) (the type species), and six new species, B. colonus, B. monachus, B. mysticus, B. opimus, B. pandus and B. tumidus. All seven species are considered to be threatened using IUCN criteria, with the major threatening processes being inappropriate fire regimes and climate change.

    U2 - 10.1071/IS15024

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