A revision of Othiini XXII. A new species, a new synonymy, and additional records of Othius from Northwest Georgia (Coleoptera: Staphylinidae: Staphylininae)

With 15 figures and 3 maps

Authors

  • Volker Assing

DOI:

https://doi.org/10.21248/contrib.entomol.71.2.237-145

Keywords:

Coleoptera, Staphylinidae, Staphylininae, Othiini, Othius, taxonomy, new species, new synonymy, Caucasus region, Georgia, new records, distribution maps

Abstract

A total of 373 specimens of Othius Stephens, 1829 was collected during three field trips to West Georgia conducted in June, July/August, and October 2021. The material is represented by eight species. One of them is described and illustrated: Othius egrisicus spec. nov. (Georgia: Samegrelo-Zemo Svaneti), a representative of the O. crassus group. The following synonymy is proposed: Othius hebes Assing & Solodovnikov, 1998 = O. fastigatus Assing & Solodovnikov, 1998, syn. nov. Two species are recorded for the first time since their respective original descriptions. The distributions of several species endemic in Northwest Georgia are clarified and mapped. The Georgian Othius fauna is currently represented by 16 described species, eleven of them endemic, and the genus as whole currently includes 136 species and subspecies.

Taxonomic acts

Othius egrisicus spec. nov. – urn:lsid:zoobank.org:act:CD95C9DB-D170-4435-AA1B-43DE3338D0BC

References

Assing, V. 1997a: The species of Othius Stephens, 1832 [recte: 1829] of the Canary Islands (Coleoptera, Staphylinidae, Xantholininae). – Vieraea 25 [1996]: 103–115.

Assing, V. 1997b: A revision of Othius Stephens, 1829. III. The species of the Western Palaearctic region exclusive of the Atlantic Islands (Coleoptera, Staphylinidae: Xantholininae). – Nova Supplementa Entomologica (Berlin) 10: 3–130.

Assing, V. 1998: A revision of Othius Stephens. V. The species of the Himalayan region (Coleoptera: Staphylinidae, Xantholininae). – Beiträge zur Entomologie, Berlin 48 (2): 293–342.

Assing, V. 1999a: A revision of Othius Stephens, 1829. VII. The species of the Eastern Palaearctic region east of the Himalayas (Coleoptera: Staphylinidae). – Beiträge zur Entomologie, Berlin 49 (1): 3–96.

Assing, V. 1999b: A revision of Othius Stephens (Coleoptera, Staphylinidae). VIII. Further records, new species, and a new synonym. – Linzer Biologische Beiträge 31 (2): 661–691.

Assing, V. 2003: A revision of Othiini. XIII. Horizontal and vertical distribution of Othius, new species, and additional records (Coleoptera: Staphylinidae: Staphylininae). – Entomological Problems 33 (1–2): 69–88.

Assing, V. 2005: A revision of Othiini. XIV. New species, new synonyms, and new records (Insecta: Coleoptera: Staphylinidae). – Entomological Problems 35 (1): 51–67.

Assing, V. 2015: A revision of Othiini. XIX. Two new species of Othius, the first record of the genus from Vietnam, and additional records (Coleoptera: Staphylinidae: Staphylininae). – Linzer Biologische Beiträge 47 (2): 1235–1250.

Assing, V. 2018: A revision of Othiini. XX. Two new species of Othius, the first record of the genus from Myanmar, and additional records (Coleoptera: Staphylinidae: Staphylininae). – Linzer Biologische Beiträge 50 (1): 25–40.

Assing, V. 2019: A revision of Othiini. XXI. Seven new species, a new synonymy, and additional records, with a review of the Othius fauna of Georgia (Coleoptera: Staphylinidae: Staphylininae). – Acta Musei Moraviae, Scientiae Biologicae 104 (1): 45–73.

Assing, V. & Schülke, M. 2017: On the Ischnosoma fauna of Georgia (Coleoptera: Staphylinidae: Tachyporinae). – Contributions to Entomology 67 (2): 195–206.

Assing, V. & Solodovnikov, A. 1998: Three new species of Othius Stephens from the Caucasus (Coleoptera, Staphylinidae: Xantholininae). – Zoosystematica Rossica 7: 299–305.

Assing, V. & Wunderle, P. 1995: A revision of the Madeiran species of the genus Othius Stephens (Coleoptera: Staphylinidae). – Boletim do Museu Municipal do Funchal 45 [1993]: 53–65.

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Published

2021-12-31

How to Cite

Assing, V. 2021: A revision of Othiini XXII. A new species, a new synonymy, and additional records of Othius from Northwest Georgia (Coleoptera: Staphylinidae: Staphylininae): With 15 figures and 3 maps - Contributions to Entomology = Beiträge Zur Entomologie 71(2): 237–145 - doi: 10.21248/contrib.entomol.71.2.237-145

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