Formica yessensis WHEELER, 1913

Seifert, Bernhard, 2021, A taxonomic revision of the Palaearctic members of the Formica rufa group (Hymenoptera: Formicidae) - the famous mound-building red wood ants, Myrmecological News 31, pp. 133-179 : 169

publication ID	https://doi.org/ 10.25849/myrmecol.news_031:133
DOI	https://doi.org/10.5281/zenodo.5587868
persistent identifier	https://treatment.plazi.org/id/F52B87F6-5E12-6165-FF74-D86EFE811D78
treatment provided by	Donat
scientific name	Formica yessensis WHEELER, 1913
status

Treatment

Formica yessensis WHEELER, 1913 View in CoL

Formica truncorum var. yessensis WHEELER, 1913 View in CoL [type investigation]

The taxon was described by FOREL (1901) under the infrasubspecific name Formica rufa r. truncorum var. yessensis FOREL, 1901 View in CoL from Sorachi, some 100 km ENE of Sapporo, Hokaido. Investigated was one type worker from MHN Genève labelled by A. Forel “ Formica truncicola v. yessensis For Type ” and carrying a printed label “Sorachi Prov. Ishikari Yesso V. 1899. Mus.em. 24.XI.1899 ”. The specimen shows below average setae length on eyes and no setae on dorsum of scape, and extensor profile of hind tibia but is in any character within the range of variation known from the Palaearctic population of F. truncorum . For a more detailed argumentation in favor of this synonymization, see below under taxonomic comments.

Kingdom	Animalia
Phylum	Arthropoda
Class	Insecta
Order	Hymenoptera
Family	Formicidae
Genus	Formica