Abstract
Two species of the weevil genus Ceutorhynchus Germar have been added to the list of 13 species of the family Curculionidae known from the vicinity of Pevek City, Western Chukotka: Ceutorhynchus seniculus C. Brisout, formerly known in Chukotka only from the Anadyr River basin, and Ceutorhynchus arcticus Korotyaev, sp. n., closely related to the trans-Palaearctic C. cochleariae (Gyll.) but differing in a set of characters typical of the northern species, e.g., convex body with coarser sculpture and darker vestiture. Ceutorhynchus cochleariae is recorded for the first time from the southern Russian Far East based on a single female from Khabarovsk Territory in the Senckenberg-Museum, Frankfurt am Main, Germany. This is the first local fauna in the tundra zone including four Ceutorhynchus species.
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ACKNOWLEDGMENTS
We greatly acknowledge the help of the Director of the Wrangel Island Nature Reserve A.R. Gruzdev in conducting field research in Pevek by O.A. Khruleva, of I.A. Chigray (ZIN) who made photograph of the new species for this paper, and of N.E. Dokuchaev (Institute of Biological Problems of the North, Russian Academy of Sciences, Magadan, Russia) who collected a series of Ceutorhynchus querceti on Cochlearia officinalis in Magadan Province. We are also grateful to Dr. Damir Kovac, Curator of the insect collection of the Senckenberg-Museum, Frankfurt am Main, Germany, for the loan of the material.
Funding
The study of B. A. Korotyaev was performed based on the Zoological Institute collection within the state project no. АААА-А19-119020690082-8 and supported by the Russian Foundation for Basic Research (grant no 19-04-00565 А). The study of O.A. Khruleva was supported by the Russian Foundation for Basic Research (grant no 20-04-00165).
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The authors declare that they have no conflict of interest. All the applicable international, national, and institutional guidelines for the care and use of animals were followed. All the 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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Korotyaev, B.A., Khruleva, O.A. A New Species and a New Record of the Weevil Genus Ceutorhynchus Germar from Western Chukotka (Coleoptera, Curculionidae: Ceutorhynchini). Entmol. Rev. 101, 956–963 (2021). https://doi.org/10.1134/S0013873821070101
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DOI: https://doi.org/10.1134/S0013873821070101