Abstract
Dioryche MacLeay, 1825 is a moderately diverse selenophorine genus distributed in the Oriental Region. In this contribution, D. orszuliki sp. n. is described from the extreme southwest of the Sultanate of Oman (Jabal al Qamar Mountain, Dhofar Governorate). The new species is very similar to D. nitidula Kataev, 2012 from Northwest India (Rajasthan) and may be considered as its vicariant. It is the only representative of the Oriental genera among Carabidae known from the southern Arabian Peninsula. The close relationship of D. orszuliki sp. n. and D. nitidula points to a relatively recent migration of the ancestral form of the former species to the Arabian Peninsula, probably in one of the preceding humid periods, with subsequent isolation and speciation there when the climate became drier.
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ACKNOWLEDGMENTS
We are very grateful to Kamil Orszulik (Frýdec-Místek) and Pavel Vonička (Liberec) for the loan of specimens used in this study.
Funding
The study of B.M. Kataev was performed within the framework of State project no. AAAA-А19-119020690101-6 and supported by the Russian Foundation for Basic Research (grant no. 19-04-00565).
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The authors declare that they have no conflict of interest. All applicable international, national, and institutional guidelines for the care and use of animals were followed. All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted.
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Kataev, B.M., Wrase, D.W. A New Species of the Oriental Ground-Beetle Genus Dioryche MacLeay (Coleoptera, Carabidae) from Oman. Entmol. Rev. 100, 837–842 (2020). https://doi.org/10.1134/S0013873820060111
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DOI: https://doi.org/10.1134/S0013873820060111