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Genus: Formicoxenus   Mayr, 1855 


Taxonomic History (provided by Barry Bolton, 2021)

Extant: 7 valid species

Formicoxenus Mayr, 1855 PDF: 413. Type-species: Myrmica nitidula, by monotypy. AntCat AntWiki

Taxonomic history

Formicoxenus in Myrmicinae, Leptothoracini: Emery, 1914e PDF: 42; Forel, 1917 PDF: 245; Wheeler, 1922: 664; Emery, 1924f PDF: 264; all subsequent authors except the following.
Formicoxenus as junior synonym of Leptothorax: Brown, 1973b PDF: 180 [provisional].
Formicoxenus as genus: Emery, 1882a: 273; all subsequent authors except the above; Francoeur et al., 1985 PDF: 343.
Genus Formicoxenus references
Emery, 1882a: 273 (Europe & Algeria species); Dalla Torre, 1893 PDF: 62 (catalogue); Emery, 1924f PDF: 263 (Symmyrmica diagnosis, catalogue); Emery, 1924f PDF: 264 (diagnosis, catalogue); Bernard, 1967a PDF: 225 (diagnosis); Smith, 1979: 1398 (Symmyrmica catalogue); Francoeur et al., 1985 PDF: 374 (diagnosis, all species revision, key); Kupyanskaya, 1990a: 148 (Far Eastern Russia species key); Radchenko, 1994b: 111 (South Siberia species key); Bolton, 1995a PDF: 1049 (census); Bolton, 1995b: 206 (catalogue); Mackay & Mackay, 2002 PDF: 91 (U.S.A., New Mexico species key).

Taxon Page Images:

Formicoxenus diversipilosus male. This species in unusual in the extent to which males resemble the workers. Sagehen Creek, California, USA.
Image © Alex Wild. // Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Canada
    Europe: Belgium, Czech Republic, Denmark, Finland, Germany, Italy, Luxembourg
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Nearctic, Palearctic
  Native biogeographic regions (according to species list records):
    Nearctic, Palearctic

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Formicoxenus   Collingwood, C. A., 1979, The Formicidae (Hymenoptera) of Fennoscandia and Denmark., Fauna Entomologica Scandinavica 8, pp. 1-174: 77, (download) 77 6175
Formicoxenus   Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68: 32, (download) 32 21008

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