This history item belongs to Formica rufa subsp. difficilis Emery, 1893

Its current taxon owner(s) is Formica difficilis

Senior synonym of Formica habrogyna: Cole, 1943a: 389; Creighton, 1950a: 500; Smith, 1951c: 862; Smith, 1979: 1462; Bolton, 1995b: 194; Coovert, 2005: 152.


Senior synonym of {prott 163244}: {ref 123696}: 389; {ref 123910}: 500; {ref 128824}: 862; {ref 128659}: 1462; {ref 122860}: 194; {ref 143326}: 152.
  • Item type: taxt
  • Created at: 2020-07-27
  • Updated at: 2023-02-01
Related records
Taxa belonging to this history item's protonym
Formica difficilis Species Valid
Formica rufa difficilis Subspecies Obsolete combination
an obsolete combination of Formica difficilis Emery, 1893
Other history items belonging to Formica rufa subsp. difficilis
#254806 Wheeler & Wheeler, 1953c: 164 (l.)
#254807 Status as species: Wheeler, 1904f: 305; Wheeler, 1904i: 348; Wheeler, 1905j: 399; Wheeler, 1906g: 16; Wheeler, 1910a: 570; Wheeler, 1913d: 116; Wheeler, 1913i: 477 (redescription); Emery, 1925d: 256; Wesson & Wesson, 1940: 101; Cole, 1943a: 389; Buren, 1944a: 306; Creighton, 1950a: 500; Smith, 1951c: 862; Smith, 1958c: 155; Carter, 1962a: 8 (in list); Kutter, 1968c: 207; Smith, 1979: 1462; Bolton, 1995b: 194; Coovert, 2005: 152; Ellison et al., 2012: 151.
#254808 Senior synonym of Formica difficilis consocians: Cole, 1943a: 389; Creighton, 1950a: 500; Smith, 1951c: 862; Kutter, 1968c: 207; Smith, 1979: 1462; Bolton, 1995b: 194; Coovert, 2005: 152.
#288083 (selected) Senior synonym of Formica habrogyna: Cole, 1943a: 389; Creighton, 1950a: 500; Smith, 1951c: 862; Smith, 1979: 1462; Bolton, 1995b: 194; Coovert, 2005: 152.