Description of the bark beetle associated nematodes Micoletzkya masseyi n. sp. and M. japonica n. sp. (Nematoda: Diplogastridae)

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  • Vladislav Susoy
    Max Planck Institute for Developmental Biology, Department of Evolutionary Biology, Spemannstraße 37, Tübingen, Germany
  • Natsumi Kanzaki
    Forest Pathology Laboratory, Forestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan
  • Matthias Herrmann
    Max Planck Institute for Developmental Biology, Department of Evolutionary Biology, Spemannstraße 37, Tübingen, Germany

説明

<jats:p><jats:italic>Micoletzkya</jats:italic> <jats:italic>masseyi</jats:italic> n. sp. and <jats:italic>M. japonica</jats:italic> n. sp. from bark beetles <jats:italic>Orthotomicus caelatus</jats:italic> and <jats:italic>Dryocoetes uniseriatus</jats:italic>, respectively, are described based on morphology and molecular data. Both species are gonochoristic and can be cultured monoxenically on bacteria. <jats:italic>Micoletzkya</jats:italic> <jats:italic>masseyi</jats:italic> n. sp. is differentiated from other species of the genus by a very short male tail, P6-P8 genital papillae arranged in a triangle and with P7 being closer to P8 than to P6, and a conoid female tail to a sharp terminus. <jats:italic>Micoletzkya japonica</jats:italic> n. sp. is distinct from other <jats:italic>Micoletzkya</jats:italic> species by the arrangement of its male papillae such that P6 and P7 are close to each other and P8 is positioned apart from them, a conoid male tail with a spicate terminus, and a small gubernaculum (<jats:italic>ca</jats:italic> 11 μm in length). Phylogeny of the genus was inferred using nucleotide sequences of 18S rRNA, 28S rRNA, COI, and two ribosomal protein genes. Biological data for the new species are presented and the associations between <jats:italic>Micoletzkya</jats:italic> species and bark beetles are discussed.</jats:p>

収録刊行物

  • Nematology

    Nematology 15 (2), 213-231, 2013

    Walter de Gruyter GmbH

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