• Lectotype designation: Ward, 1989a: 439.
• Wheeler & Bailey, 1920: 256 (l.); Wheeler & Wheeler, 1956: 385 (l.)
• Combination in Leptalea: Erichson, 1839: 309.
• Combination in Pseudomyrma: Roger, 1862c: 289.
• Combination in Pseudomyrma (Clavanoda): Enzmann, 1944: 61.
• Combination in Pseudomyrmex: Kusnezov, 1953f: 214.
• Status as species: Erichson, 1839: 309; Roger, 1862c: 289; Roger, 1863b: 25; Mayr, 1863a: 452; Mayr, 1870a: 408; Smith, 1877b: 60; Emery, 1878a: ix (in list); Emery, 1890b: 65; Cameron, 1891: 95; Dalla Torre, 1893: 57; Forel, 1895b: 122; Emery, 1896h: 625; Pergande, 1896: 874; Forel, 1899b: 90; Forel, 1899j: 274; Forel, 1907d: 26; Forel, 1907h: 7; Forel, 1908c: 60; Forel, 1908: 382; Wheeler, 1908h: 421; Forel, 1909a: 250, 260; Wheeler, 1911a: 22; Forel, 1912h: 19; Bruch, 1914: 224; Donisthorpe, 1915f: 336; Mann, 1916: 426; Crawley, 1916b: 369; Wheeler, 1916c: 3; Luederwaldt, 1918: 46; Wheeler, 1918b: 24; Emery, 1921c: 29; Wheeler, 1922e: 4; Mann, 1922: 20; Wheeler, 1923a: 3; Wheeler, 1925a: 10; Borgmeier, 1927c: 72; Donisthorpe, 1927c: 387; Menozzi, 1927c: 267; Gallardo, 1932a: 47 (redescription); Menozzi, 1935b: 191; Eidmann, 1936a: 37; Wheeler, 1942: 166; Enzmann, 1944: 61; Weber, 1948b: 81; Brown, 1949a: 43; Creighton, 1950a: 80; Kusnezov, 1953c: 337; Kusnezov, 1953f: 214; Kempf, 1961a: 370; Kempf, 1961b: 498; Kempf, 1972b: 219; Kempf & Lenko, 1976: 63; Zolessi et al., 1988: 5; Ward, 1989a: 439; Brandão, 1991: 375; Ward, 1992: 80 (in table); Ward, 1993: 155 (redescription); Bolton, 1995b: 373; Ward, 1999b: 521 (redescription); Deyrup et al., 2000: 295; Deyrup, 2003: 46; Ward, 2007b: 40, 55; Branstetter & Sáenz, 2012: 264; Bezděčková et al., 2015: 125; Wetterer et al., 2016: 23; Deyrup, 2017: 41; Ward, 2019: 1102.
• Senior synonym of Pseudomyrmex gracilis atrinoda: Wild, 2007b: 55.
• Senior synonym of Pseudomyrmex gracilis bicolor: Roger, 1862c: 289; Roger, 1863b: 25; Mayr, 1863a: 452; Mayr, 1870a: 408; Dalla Torre, 1893: 57; Forel, 1895b: 122; Pergande, 1896: 874; Forel, 1899b: 90; Emery, 1921c: 29; Borgmeier, 1927c: 72; Gallardo, 1932a: 48; Ward, 1993: 155; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex canescens: Ward, 1993: 155; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex dimidiata: Mayr, 1870a: 408; Ward, 1993: 155; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex gracilis glabriventris: Ward, 1993: 156; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex gracilis longinoda: Brown, 1949a: 43; Kempf, 1961a: 370; Kempf, 1972b: 219; Ward, 1993: 156; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex mexicana: Ward, 1993: 155; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex pilosula: Ward, 1993: 155; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex sericata: Ward, 1993: 155; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex variabilis: Ward, 1989a: 439; Brandão, 1991: 376; Ward, 1993: 155; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex gracilis velifera: Ward, 1993: 155; Bolton, 1995b: 373.
• Senior synonym of Pseudomyrmex volatilis: Ward, 1993: 155; Bolton, 1995b: 373.
• Material of the unavailable name Pseudomyrmex gracilis mexicana guayaquilensis referred here by Ward, 1993: 156; Bolton, 1995b: 373.

Junior synonyms

• Pseudomyrmex canescens (Smith, 1877)
  Obsolete combination(s): Pseudomyrma canescens
• Pseudomyrmex dimidiata (Roger, 1863)
  Obsolete combination(s): Pseudomyrma dimidiata
• Pseudomyrmex gracilis atrinoda (Santschi, 1934)
  Obsolete combination(s): Pseudomyrma gracilis atrinoda
• Pseudomyrmex gracilis bicolor (Guérin-Méneville, 1844)
  Obsolete combination(s): Pseudomyrma bicolor, Formica bicolor
• Pseudomyrmex gracilis glabriventris (Santschi, 1922)
  Obsolete combination(s): Pseudomyrma gracilis glabriventris
• Pseudomyrmex gracilis longinoda (Enzmann, 1944)
  Obsolete combination(s): Pseudomyrma gracilis longinoda
• Pseudomyrmex gracilis velifera (Stitz, 1933)
  Obsolete combination(s): Pseudomyrma gracilis velifera
• Pseudomyrmex mexicana (Roger, 1863)
  Obsolete combination(s): Pseudomyrma mexicana, Pseudomyrma gracilis mexicana, Pseudomyrmex gracilis mexicana
• Pseudomyrmex pilosula (Smith, 1877)
  Obsolete combination(s): Pseudomyrma pilosula
• Pseudomyrmex sericata (Smith, 1855)
  Obsolete combination(s): Pseudomyrma sericata
• Pseudomyrmex variabilis (Smith, 1877)
  Obsolete combination(s): Pseudomyrma variabilis
• Pseudomyrmex volatilis (Smith, 1877)
  Obsolete combination(s): Pseudomyrma volatilis

Obsolete combinations

• Formica gracilis
• Pseudomyrma gracilis

Citations

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