Gymnusini

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Staphyliniformia
Superfamilia: Staphylinoidea

Familia: Staphylinidae
Subfamilia: Aleocharinae
Tribus: Gymnusini
Genera: Adinopsis – Allodinopsis – †Cretodeinopsis – Deinopsis – †Electrogymnusa – Gymnusa – Metadeinopsis – Stylogymnusa
Name

Gymnusini Heer 1839: 302

Type genus: Gymnusa Gravenhorst, 1806

Synonymy

Deinopsini Sharp, 1883 [synonym by Yamamoto & Maruyama, 2017: 6]
Type genus: Gymnusa Gravenhorst, 1806: 172.

References
Primary references

Heer O. 1839. Fascicule II. Pp. 145–360. In: Fauna Coleopterorum Helvetica. Pars I. Turici: Orelii, Fuesslini et Sociorum, xii + 652 pp. [publ. in parts: 1838–1841].
Yamamoto, S. & Maruyama, M. 2017. Phylogeny of the rove beetle tribe Gymnusini sensu n. (Coleoptera: Staphylinidae: Aleocharinae): implications for the early branching events of the subfamily. Systematic entomology xx: 1–17. DOI: 10.1111/syen.12267 Reference page. [syn. nov.: p. 6]

Additional references

Ashe, J.S. 2000: Mouthpart structure of Stylogymnusa subantarctica Hammond, 1975 (Coleoptera: Staphylinidae: Aleocharinae) with a reanalysis of the phylogenetic position of the genus. Zoological journal of the Linnean Society, 130: 471–498. DOI: 10.1111/j.1096-3642.2000.tb02197.x
Hammond, P. 1975: The phylogeny of a remarkable new genus and species of gymnusine staphylinid (Coleoptera) from the Auckland Islands. Journal of entomology (B), 44: 153–173. DOI: 10.1111/j.1365-3113.1975.tb00010.x
Klimaszewski, J. 1979: A revision of the Gymnusini and Deinopsini of the world. Coleoptera: Staphylinidae, Aleocharinae. Canada Department of Agriculture Research Branch monograph, (25).
Wolf-Schwenninger, K. 2004: A new fossil staphylinid genus and species from Baltic amber (Coleoptera, Staphylinidae, Aleocharinae, Gymnusini). Stuttgarter Beiträge zur Naturkunde serie B (geologie und paläontologie), 345: 1–6. PDF
Gymnusini is a tribe of rove beetles in the subfamily Aleocharinae. It is a basal aleocharine group, and they inhabit riparian habitats. It was described in 1839.[1]

The tribe is relatively small, with no subtribes and only two genera, one of which is monotypic: Gymnusa and Stylogymnusa.[1]
References

"Gymnusini". Forestis. 2001. Archived from the original on April 2, 2015. Retrieved February 28, 2015.