Published November 2, 2021 | Version v1
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A new subspecies of Bembidion sanatum (Coleoptera: Carabidae) endemic to the Mendeleev Volcano (Kunashir Island, Russia)

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Makarov, K.V., Sundukov, Yu.N. (2021): A new subspecies of Bembidion sanatum (Coleoptera: Carabidae) endemic to the Mendeleev Volcano (Kunashir Island, Russia). Far Eastern Entomologist 440: 13-24, DOI: 10.25221/fee.440.2, URL: http://dx.doi.org/10.25221/fee.440.2

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urn:lsid:plazi.org:pub:FFAB763D345433328647FD574D63FFE4
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References

  • The location of the Mendeleev Volcano at the sea coast and its developed network of solfatara fields determine the high diversity and mosaic is of environmental conditions on the volcano's slopes. To a large extent because of this, the flora of the volcano is fairly rich, an almost third of the vascular plant species being encountered there (Sabirov et al., 2014), of a total of 1,078 species known from Kunashir (Barkalov, 2009). There are rather rare species among them, but neither endemics nor relicts.
  • (1973) delimited a "Kuril subgroup" of eight species in that family, for which the status of endemics was suggested, albeit with due reservations. Further studies (Kazantsev, 1993,
  • 2011) have resulted in that the list of presumed endemics has been reduced to two. Similar cases concerned a new histerid species, Margarinotus kurbatovi (Tishechkin, 1992),
  • (Ohara, 1993), as well as a whole number of Pselaphidae beetles. This is a well predictable result since over most of the Pleistocene and early Holocene both Kunashir and Hokkaido formed a single land (Alekseev, 1978; Igarashi & Zharov, 2011; Minato & Ijiri, 1976; Pietsch et al., 2003; Velizhanin, 1970), whereas most of the presumed endemics are capable of active dispersal.
  • The above, however, does not concern the two carabid subspecies mentioned before. Both are capable of flight, but both are restricted to solfatara field areas. In additions both subspecies are characterized by clear-cut hiatuses. Cylindera elisae kunashirensis has been shown to demonstrate genetic distinctions that exceed multifold the genetic differences from the other intraspecific forms of C. elisae (Makarov et al., 2020). Likewise, the new subspecies of B.