Pseudomyrmex valid
Lund, P. W. 1831b. Ueber die Lebensweise einiger brasilianischer Ameisen. Notizen aus dem Gebiete der Natur- und Heilkunde 32:97-106.   126987

Pseudomyrmex acanthobius valid Paraguay. Neotropic.
Emery, C. 1896h. Formiciden, gesammelt in Paraguay von Dr. J. Bohls. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 9:625-638.   124612

Pseudomyrmex acanthobius capperi synonym of Pseudomyrmex simplex Jamaica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex acanthobius cocae valid Argentina (Córdoba). Neotropic.
Santschi, F. 1922e. Description de nouvelles fourmis de l'Argentine et pays limitrophes. Anales de la Sociedad Cientifica Argentina 94:241-262.   128341

Pseudomyrmex acanthobius delicatula obsolete combination Jamaica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex acanthobius delicatula limai unavailable Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex acanthobius delicatula vittata unavailable Brazil (Ceará). Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex acanthobius fuscata synonym of Pseudomyrmex acanthobius Paraguay. Neotropic.
Emery, C. 1896h. Formiciden, gesammelt in Paraguay von Dr. J. Bohls. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 9:625-638.   124612

Pseudomyrmex acanthobius virgo valid Brazil (Rio Grande do Sul). Neotropic.
Santschi, F. 1922c. Myrmicines, dolichodérines et autres formicides néotropiques. Bulletin de la Société Vaudoise des Sciences Naturelles 54:345-378.   128339

Pseudomyrmex adustus valid Brazil (Minas Gerais). Neotropic.
Borgmeier, T. 1929. Zur Kenntnis der brasilianischen Ameisen. EOS. Revista Española de Entomología 5:195-214.   122896

Pseudomyrmex advena synonym of Pseudomyrmex oculatus
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex agilis synonym of Pseudomyrmex venustus Brazil (São Paulo). Neotropic.
Smith, F. 1860c. Descriptions of new genera and species of exotic Hymenoptera. Journal of Entomology 1:65-84.   128692

Pseudomyrmex alfari synonym of Pseudomyrmex nigrocinctus Costa Rica. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex allidora synonym of Pseudomyrmex elongatus Panama. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex alliodorae synonym of Pseudomyrmex elongatus Panama. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex alternans valid French Guiana. Neotropic.
Santschi, F. 1936b. Contribution à l'étude des fourmis de l'Amérique du Sud. Revista de Entomologia (Rio de Janeiro) 6:196-218.   128426

Pseudomyrmex alustratus valid Peru. Neotropic.
Ward, P. S. 1989a. Systematic studies on pseudomyrmecine ants: revision of the Pseudomyrmex oculatus and P. subtilissimus species groups, with taxonomic comments on other species. Quaestiones Entomologicae 25:393-468.   129619

Pseudomyrmex alvarengai valid Brazil (Pará). Neotropic.
Kempf, W. W. 1961a. Estudos sôbre Pseudomyrmex. III. (Hymenoptera: Formicidae). Studia Entomologica 4:369-408.   126325

Pseudomyrmex antiguanus valid Guatemala. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex antiguanus brunnipes valid Guatemala. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex antiquus valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex apache valid U.S.A. (Arizona). Nearctic.
Creighton, W. S. 1953b ("1952"). Pseudomyrmex apache, a new species from the southwestern United States (Hymenoptera: Formicidae). Psyche (Cambridge) 59:131-142.   123915

Pseudomyrmex arborissanctae synonym of Pseudomyrmex triplarinus Bolivia. Neotropic.
Emery, C. 1894d. Studi sulle formiche della fauna neotropica. VI-XVI. Bullettino della Società Entomologica Italiana 26:137-241.   124576

Pseudomyrmex arborissanctae cordobensis synonym of Pseudomyrmex triplarinus Argentina (Córdoba). Neotropic.
Forel, A. 1914d. Formicides d'Afrique et d'Amérique nouveaux ou peu connus. Bulletin de la Société Vaudoise des Sciences Naturelles 50:211-288.   125254

Pseudomyrmex arborissanctae ecuadoriana synonym of Pseudomyrmex triplarinus Ecuador. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex arborissanctae fuscus nomen nudum
Forel, A. 1895b. A fauna das formigas do Brazil. Boletim do Museu Paraense de Historia Natural e Ethnographia 1:89-139.   125065

Pseudomyrmex arborissanctae symbiotica synonym of Pseudomyrmex mordax Colombia. Neotropic.
Forel, A. 1904d. Miscellanea myrmécologiques. Revue Suisse de Zoologie 12:1-52.   125147

Pseudomyrmex arborissanctae symbiotica loewensohni unavailable
Forel, A. 1918a. Études myrmécologiques en 1917. Bulletin de la Société Vaudoise des Sciences Naturelles 51:717-727.   125261

Pseudomyrmex arborissanctae symbiotica panamensis unavailable Panama. Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex arcanus valid Mexico (Michoacán). Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex atra synonym of Pseudomyrmex unicolor Brazil (São Paulo). Neotropic.
Stitz, H. 1933. Neue Ameisen des Hamburger Museums (Hym. Form.). Mitteilungen der Deutschen Entomologischen Gesellschaft 4:67-75.   129029

Pseudomyrmex atripes valid Brazil. Neotropic.
Smith, F. 1860c. Descriptions of new genera and species of exotic Hymenoptera. Journal of Entomology 1:65-84.   128692

Pseudomyrmex auripes synonym of Pseudomyrmex malignus Trinidad. Neotropic.
Wheeler, W. M. 1922e. The ants of Trinidad. American Museum Novitates 45:1-16.   130152

Pseudomyrmex avitus valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex baros valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex beccarii valid Guyana. Neotropic.
Menozzi, C. 1935b. Spedizione del Prof. Nello Beccari nella Guiana Britannica. Hymenoptera-Formicidae. Redia 21:189-203.   127377

Pseudomyrmex belti synonym of Pseudomyrmex flavicornis Costa Rica. Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex belti bequaerti synonym of Pseudomyrmex ferrugineus Honduras. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex belti bequaerti unresolved junior homonym Honduras. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex belti fellosa synonym of Pseudomyrmex flavicornis Nicaragua. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex belti obnubila synonym of Pseudomyrmex flavicornis Costa Rica. Neotropic.
Menozzi, C. 1927c. Formiche raccolte dal Sig. H. Schmidt nei dintorni di San José di Costa Rica. Entomologische Mitteilungen. Berlin-Dahlem 16:266-277.   127335

Pseudomyrmex belti saffordi synonym of Pseudomyrmex ferrugineus Mexico (Chiapas). Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex belti venifica synonym of Pseudomyrmex veneficus Mexico (Colima). Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex belti vesana synonym of Pseudomyrmex ferrugineus Mexico (Veracruz). Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex biconvexa synonym of Pseudomyrmex filiformis Guatemala, Costa Rica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex biconvexa longiceps synonym of Pseudomyrmex filiformis Colombia. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex boopis valid
Roger, J. 1863b. Verzeichniss der Formiciden-Gattungen und Arten. Berliner Entomologische Zeitschrift 7(Beilage):1-65.   128094

Pseudomyrmex bradleyi unresolved junior homonym Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex browni valid Panama. Neotropic.
Kempf, W. W. 1967c. Estudos sôbre Pseudomyrmex. IV (Hymenoptera: Formicidae). Revista Brasileira de Entomologia 12:1-12.   126348

Pseudomyrmex brunneus valid Mexico. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex brunneus nigrita synonym of Pseudomyrmex brunneus Mexico. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex caeciliae valid Guatemala. Neotropic.
Forel, A. 1913m. Fourmis d'Argentine, du Brésil, du Guatémala & de Cuba reçues de M. M. Bruch, Prof. v. Ihering, Mlle Baez, M. Peper et M. Rovereto. Bulletin de la Société Vaudoise des Sciences Naturelles 49:203-250.   125250

Pseudomyrmex canescens synonym of Pseudomyrmex gracilis Brazil. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex canescens homonym replaced by Pseudomyrmex wasmanni Mexico (Tamaulipas). Neotropic.
Wasmann, E. 1915c. Eine neue Pseudomyrma aus der Ochsenhorndornakazie in Mexiko, mit Bemerkungen über Ameisen in Akaziendornen und ihre Gäste. Ein kritischer Beitrag zur Pflanzen-Myrmekophilie. Tijdschrift voor Entomologie 58:296-325.   129667

Pseudomyrmex capillatus valid Mexico (Jalisco). Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex caroli synonym of Pseudomyrmex viduus Costa Rica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex caroli sapii synonym of Pseudomyrmex viduus Brazil (Amazonas). Neotropic.
Forel, A. 1904f. In und mit Pflanzen lebende Ameisen aus dem Amazonas-Gebiet und aus Peru, gesammelt von Herrn E. Ule. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 20:677-707.   125149

Pseudomyrmex cephalica synonym of Pseudomyrmex filiformis Brazil (Amazonas). Neotropic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex championi valid Mexico (Guerrero). Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex championi paulina synonym of Pseudomyrmex phyllophilus Brazil (São Paulo). Neotropic.
Wheeler, W. M. 1916f. Ants collected in Trinidad by Professor Roland Thaxter, Mr. F. W. Urich, and others. Bulletin of the Museum of Comparative Zoology 60:323-330.   130102

Pseudomyrmex chodati synonym of Pseudomyrmex urbanus Paraguay. Neotropic.
Forel, A. 1921a ("1920"). Fourmis trouvées dans des galles de Cordia et d'Agonandra, etc. Bulletin de la Société Botanique de Genève (2)12:201-208.   125265

Pseudomyrmex cladoicus valid Brazil (Amazonas). Neotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Pseudomyrmex cognatus valid Mexico (Chiapas). Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex colei valid Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex colei vistanus valid Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex comitator valid Mexico (Chiapas). Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex concolor valid Brazil (Amazonas). Neotropic.
Smith, F. 1860c. Descriptions of new genera and species of exotic Hymenoptera. Journal of Entomology 1:65-84.   128692

Pseudomyrmex cordiae valid Peru. Neotropic.
Forel, A. 1904f. In und mit Pflanzen lebende Ameisen aus dem Amazonas-Gebiet und aus Peru, gesammelt von Herrn E. Ule. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 20:677-707.   125149

Pseudomyrmex coronatus synonym of Pseudomyrmex penetrator Guyana. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex coruscus valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex crenulata synonym of Pseudomyrmex kuenckeli Mexico (Morelos). Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex cretus valid Costa Rica. Neotropic.
Ward, P. S. 1989a. Systematic studies on pseudomyrmecine ants: revision of the Pseudomyrmex oculatus and P. subtilissimus species groups, with taxonomic comments on other species. Quaestiones Entomologicae 25:393-468.   129619

Pseudomyrmex crudelis valid Peru. Neotropic.
Ward, P. S. 1999b. Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants. Zoological Journal of the Linnean Society 126:451-540.   132567

Pseudomyrmex cubaensis valid Cuba. Neotropic.
Forel, A. 1901j. Variétés myrmécologiques. Annales de la Société Entomologique de Belgique 45:334-382.   125114

Pseudomyrmex culmicola synonym of Pseudomyrmex tenuissimus Trinidad. Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex curacaensis valid Curaçao. Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex damnosa synonym of Pseudomyrmex concolor Guyana. Neotropic.
Wheeler, W. M. 1921f. The Tachigalia ants. Zoologica (New York) 3:137-168.   130147

Pseudomyrmex decipiens synonym of Pseudomyrmex elongatulus Mexico (Tabasco). Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex delicatula obsolete combination Jamaica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex delicatula capperi obsolete combination Jamaica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex delicatula panamensis synonym of Pseudomyrmex simplex Guatemala. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex deminutus valid Brazil (Amazonas). Neotropic.
Ward, P. S. 1999b. Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants. Zoological Journal of the Linnean Society 126:451-540.   132567

Pseudomyrmex dendroicus valid Brazil (Amazonas). Neotropic.
Forel, A. 1904d. Miscellanea myrmécologiques. Revue Suisse de Zoologie 12:1-52.   125147

Pseudomyrmex dendroicus emarginata synonym of Pseudomyrmex dendroicus Brazil (Amazonas). Neotropic.
Forel, A. 1904f. In und mit Pflanzen lebende Ameisen aus dem Amazonas-Gebiet und aus Peru, gesammelt von Herrn E. Ule. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 20:677-707.   125149

Pseudomyrmex denticollis valid Paraguay. Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex denticollis infusca synonym of Pseudomyrmex termitarius Brazil (São Paulo). Neotropic.
Forel, A. 1908. Ameisen aus Sao Paulo (Brasilien), Paraguay etc. gesammelt von Prof. Herm. v. Ihering, Dr. Lutz, Dr. Fiebrig, etc. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 58:340-418.   124686

Pseudomyrmex depressus valid Colombia. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex dimidiata synonym of Pseudomyrmex gracilis Colombia. Neotropic.
Roger, J. 1863a. Die neu aufgeführten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Ergänzung einiger früher gegebenen Beschreibungen. Berliner Entomologische Zeitschrift 7:131-214.   128093

Pseudomyrmex distinctus valid Mexico. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex distinctus pulchella synonym of Pseudomyrmex distinctus Mexico (Veracruz, Tabasco). Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex dolichopsis synonym of Pseudomyrmex oculatus Costa Rica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex dolichopsis implicata synonym of Pseudomyrmex oculatus Brazil (Amazonas). Neotropic.
Forel, A. 1911g. Die Ameisen des K. Zoologischen Museums in München. Sitzungsberichte der Mathematischen-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften zu München 11:249-303.   125216

Pseudomyrmex duckei valid Brazil (Amazonas). Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex eculeus valid Ecuador. Neotropic.
Ward, P. S. 1999b. Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants. Zoological Journal of the Linnean Society 126:451-540.   132567

Pseudomyrmex eduardi valid Jamaica. Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex ejectus valid
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Pseudomyrmex elegans synonym of Pseudomyrmex termitarius Brazil (Pará). Neotropic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex elegans breviceps synonym of Pseudomyrmex termitarius Trinidad. Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex elongata homonym replaced by Pseudomyrmex elongatulus Mexico. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex elongata tandem synonym of Pseudomyrmex elongatus Costa Rica. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex elongatulus valid
Dalla Torre, K. W. 1892. Hymenopterologische Notizen. Wiener Entomologische Zeitung 11:89-93.   124001

Pseudomyrmex elongatus valid Colombia. Neotropic.
Mayr, G. 1870a. Formicidae novogranadenses. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Classe. Abteilung I 61:370-417.   127228

Pseudomyrmex endophyta synonym of Pseudomyrmex concolor Brazil (Amazonas). Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex ereptor valid Mexico (Veracruz). Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex ethicus valid Brazil (Amazonas). Neotropic.
Forel, A. 1911g. Die Ameisen des K. Zoologischen Museums in München. Sitzungsberichte der Mathematischen-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften zu München 11:249-303.   125216

Pseudomyrmex euryblemma valid Costa Rica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex evitus valid Costa Rica. Neotropic.
Ward, P. S. 2017. A review of the Pseudomyrmex ferrugineus and Pseudomyrmex goeldii species groups: acacia-ants and relatives (Hymenoptera: Formicidae). Zootaxa 4227 (4):524-542.   143028

Pseudomyrmex excavata synonym of Pseudomyrmex boopis Colombia. Neotropic.
Mayr, G. 1870a. Formicidae novogranadenses. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Classe. Abteilung I 61:370-417.   127228

Pseudomyrmex excavata flaviventris synonym of Pseudomyrmex boopis Panama. Neotropic.
Emery, C. 1896a. Formiche raccolte dal dott. E. Festa nei pressi del golfo di Darien. Bollettino dei Musei di Zoologia ed Anatomia Comparata della Reale Università di Torino 11(229):1-4.   124605

Pseudomyrmex excavata fusciceps synonym of Pseudomyrmex boopis Panama. Neotropic.
Santschi, F. 1931d. Fourmis de Cuba et de Panama. Revista de Entomologia (Rio de Janeiro) 1:265-282.   128397

Pseudomyrmex excisus valid Colombia. Neotropic.
Mayr, G. 1870a. Formicidae novogranadenses. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Classe. Abteilung I 61:370-417.   127228

Pseudomyrmex exoratus valid Mexico (Oaxaca). Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex extinctus valid U.S.A. (Colorado, Florissant, late Eocene, Priabonian).
Carpenter, F. M. 1930. The fossil ants of North America. Bulletin of the Museum of Comparative Zoology 70:1-66.   123533

Pseudomyrmex faber valid Brazil (Amazonas). Neotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Pseudomyrmex fasciatus valid Costa Rica. Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex feralis valid Guatemala. Neotropic.
Ward, P. S. 2017. A review of the Pseudomyrmex ferrugineus and Pseudomyrmex goeldii species groups: acacia-ants and relatives (Hymenoptera: Formicidae). Zootaxa 4227 (4):524-542.   143028

Pseudomyrmex ferox valid Peru. Neotropic.
Ward, P. S. 1999b. Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants. Zoological Journal of the Linnean Society 126:451-540.   132567

Pseudomyrmex ferrugineus valid Mexico. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex fervidus valid Mexico. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex fiebrigi valid Paraguay. Neotropic.
Forel, A. 1908. Ameisen aus Sao Paulo (Brasilien), Paraguay etc. gesammelt von Prof. Herm. v. Ihering, Dr. Lutz, Dr. Fiebrig, etc. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 58:340-418.   124686

Pseudomyrmex filiformis valid Guyana. Neotropic.
Fabricius, J. C. 1804. Systema Piezatorum secundum ordines, genera, species, adjectis synonymis, locis, observationibus, descriptionibus. Brunswick: C. Reichard, xiv + 15-439 + 30 pp.   124870

Pseudomyrmex flavicornis valid Nicaragua. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex flavidulus valid Brazil (Pará). Neotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Pseudomyrmex flavidulus delicatulus synonym of Pseudomyrmex simplex Jamaica. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex flavidulus jaumei synonym of Pseudomyrmex pazosi Cuba. Neotropic.
Aguayo, C. G. 1932. Notes on West Indian ants. Bulletin of the Brooklyn Entomological Society 27:215-227.   122153

Pseudomyrmex fortis valid Mexico (Veracruz). Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex fulvescens synonym of Pseudomyrmex ferrugineus Guatemala. Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex gebellii valid Colombia. Neotropic.
Forel, A. 1899c. Trois notices myrmécologiques. Annales de la Société Entomologique de Belgique 43:303-310.   125090

Pseudomyrmex gibbinotus valid Brazil (São Paulo). Neotropic.
Forel, A. 1908. Ameisen aus Sao Paulo (Brasilien), Paraguay etc. gesammelt von Prof. Herm. v. Ihering, Dr. Lutz, Dr. Fiebrig, etc. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 58:340-418.   124686

Pseudomyrmex godmani valid Panama. Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex goeldii valid Brazil (São Paulo). Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex gracilis valid Guyana. Neotropic.
Fabricius, J. C. 1804. Systema Piezatorum secundum ordines, genera, species, adjectis synonymis, locis, observationibus, descriptionibus. Brunswick: C. Reichard, xiv + 15-439 + 30 pp.   124870

Pseudomyrmex gracilis argentinus valid Argentina (Misiones). Neotropic.
Santschi, F. 1934c. Fourmis de Misiones et du Chaco argentin. Revista de la Sociedad Entomológica Argentina 6:23-34.   128419

Pseudomyrmex gracilis atrinoda synonym of Pseudomyrmex gracilis Brazil (Paraná). Neotropic.
Santschi, F. 1934c. Fourmis de Misiones et du Chaco argentin. Revista de la Sociedad Entomológica Argentina 6:23-34.   128419

Pseudomyrmex gracilis bicolor synonym of Pseudomyrmex gracilis Colombia. Neotropic.
Guérin-Méneville, F. E. 1844a. Iconographie du règne animal de G. Cuvier, ou représentation d'après nature de l'une des espèces les plus remarquables, et souvent non encore figurées, de chaque genre d'animaux. Insectes. Paris: J. B. Baillière, 576 pp.   125711

Pseudomyrmex gracilis carapuna synonym of Pseudomyrmex venustus Brazil (Rondônia). Neotropic.
Mann, W. M. 1916. The Stanford Expedition to Brazil, 1911, John C. Branner, Director. The ants of Brazil. Bulletin of the Museum of Comparative Zoology 60:399-490.   127070

Pseudomyrmex gracilis glabriventris synonym of Pseudomyrmex gracilis Bolivia. Neotropic.
Santschi, F. 1922c. Myrmicines, dolichodérines et autres formicides néotropiques. Bulletin de la Société Vaudoise des Sciences Naturelles 54:345-378.   128339

Pseudomyrmex gracilis longinoda synonym of Pseudomyrmex gracilis Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex gracilis mexicana obsolete combination Mexico. Neotropic.
Roger, J. 1863a. Die neu aufgeführten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Ergänzung einiger früher gegebenen Beschreibungen. Berliner Entomologische Zeitschrift 7:131-214.   128093

Pseudomyrmex gracilis mexicana guayaquilensis unavailable Ecuador. Neotropic.
Forel, A. 1907h. Formiciden aus dem Naturhistorischen Museum in Hamburg. II. Teil. Neueingänge seit 1900. Mitteilungen aus dem Naturhistorischen Museum in Hamburg 24:1-20.   125175

Pseudomyrmex gracilis peruviana unresolved junior homonym Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex gracilis velifera synonym of Pseudomyrmex gracilis Guatemala. Neotropic.
Stitz, H. 1933. Neue Ameisen des Hamburger Museums (Hym. Form.). Mitteilungen der Deutschen Entomologischen Gesellschaft 4:67-75.   129029

Pseudomyrmex haytianus valid Haiti. Neotropic.
Forel, A. 1901j. Variétés myrmécologiques. Annales de la Société Entomologique de Belgique 45:334-382.   125114

Pseudomyrmex haytianus affinis synonym of Pseudomyrmex haytianus Haiti. Neotropic.
Wheeler, W. M. 1936c. Ants from Hispaniola and Mona Island. Bulletin of the Museum of Comparative Zoology 80:195-211.   130268

Pseudomyrmex haytianus torquata synonym of Pseudomyrmex haytianus Haiti. Neotropic.
Wheeler, W. M. 1936c. Ants from Hispaniola and Mona Island. Bulletin of the Museum of Comparative Zoology 80:195-211.   130268

Pseudomyrmex hesperius valid Mexico (Sinaloa). Neotropic.
Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168.   129608

Pseudomyrmex holmgreni valid Peru. Neotropic.
Wheeler, W. M. 1925a. Neotropical ants in the collections of the Royal Museum of Stockholm. Arkiv för Zoologi 17A(8):1-55.   130175

Pseudomyrmex hospitalis valid Peru. Neotropic.
Ward, P. S. 1999b. Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants. Zoological Journal of the Linnean Society 126:451-540.   132567

Pseudomyrmex icterica synonym of Pseudomyrmex perboscii Trinidad. Neotropic.
Wheeler, W. M. 1922e. The ants of Trinidad. American Museum Novitates 45:1-16.   130152

Pseudomyrmex incurrens valid Brazil (Rio de Janeiro). Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex inquilinus valid Argentina (Catamarca). Neotropic.
Ward, P. S. 1996. A new workerless social parasite in the ant genus Pseudomyrmex (Hymenoptera: Formicidae), with a discussion of the origin of social parasitism in ants. Systematic Entomology 21:253-263.   132558

Pseudomyrmex insuavis valid Colombia. Neotropic.
Ward, P. S. 1999b. Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants. Zoological Journal of the Linnean Society 126:451-540.   132567

Pseudomyrmex ita valid Costa Rica. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex janzeni valid Mexico (Nayarit). Neotropic.
Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168.   129608

Pseudomyrmex kitschelti synonym of Pseudomyrmex atripes Colombia. Neotropic.
Forel, A. 1911g. Die Ameisen des K. Zoologischen Museums in München. Sitzungsberichte der Mathematischen-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften zu München 11:249-303.   125216

Pseudomyrmex kuenckeli valid Costa Rica. Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex kuenckeli bierigi synonym of Pseudomyrmex kuenckeli Panama. Neotropic.
Santschi, F. 1932g. Quelques fourmis inédites de l'Amérique centrale et Cuba. Revista de Entomologia (Rio de Janeiro) 2:410-414.   128407

Pseudomyrmex kuenckeli dichroa synonym of Pseudomyrmex kuenckeli Colombia. Neotropic.
Forel, A. 1904d. Miscellanea myrmécologiques. Revue Suisse de Zoologie 12:1-52.   125147

Pseudomyrmex kuenckeli hondurana synonym of Pseudomyrmex ferrugineus Honduras. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex kurokii synonym of Pseudomyrmex euryblemma Colombia. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex laeviceps homonym replaced by Pseudomyrmex laevifrons Brazil (Pará). Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex laevifrons valid
Ward, P. S. 1989a. Systematic studies on pseudomyrmecine ants: revision of the Pseudomyrmex oculatus and P. subtilissimus species groups, with taxonomic comments on other species. Quaestiones Entomologicae 25:393-468.   129619

Pseudomyrmex laevigatus valid Brazil (Amazonas). Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex laevigatus insularis synonym of Pseudomyrmex osurus Panama (Barro Colorado I.). Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex laevivertex valid Colombia. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex latinodus synonym of Pseudomyrmex concolor Brazil (Amazonas). Neotropic.
Mayr, G. 1878 ("1877"). Formiciden gesammelt in Brasilien von Professor Trail. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 27:867-878.   127233

Pseudomyrmex latinodus bradleyi synonym of Pseudomyrmex tachigaliae Peru. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex latinodus coronatus unresolved junior homonym Guyana. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex latinodus opacior obsolete combination Cuba. Neotropic.
Forel, A. 1904e. Fourmis du Musée de Bruxelles. Annales de la Société Entomologique de Belgique 48:168-177.   125148

Pseudomyrmex leonhardi synonym of Pseudomyrmex championi Mexico (Guerrero). Neotropic.
Stitz, H. 1937b. Einige Ameisen aus Mexiko. Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin 1937:132-136.   129049

Pseudomyrmex leptosus valid U.S.A. (Florida). Nearctic.
Ward, P. S. 1985b. The Nearctic species of the genus Pseudomyrmex (Hymenoptera: Formicidae). Quaestiones Entomologicae 21:209-246.   129618

Pseudomyrmex ligniseca synonym of Pseudomyrmex tenuis Brazil (Amazonas). Neotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Pseudomyrmex lincecumii synonym of Pseudomyrmex ejectus U.S.A. (Texas). Nearctic.
Buckley, S. B. 1866. Descriptions of new species of North American Formicidae. Proceedings of the Entomological Society of Philadelphia 6:152-172.   123310

Pseudomyrmex lisus valid Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex lizeri valid Bolivia. Neotropic.
Santschi, F. 1922c. Myrmicines, dolichodérines et autres formicides néotropiques. Bulletin de la Société Vaudoise des Sciences Naturelles 54:345-378.   128339

Pseudomyrmex longiceps unresolved junior homonym Venezuela. Neotropic.
Stitz, H. 1933. Neue Ameisen des Hamburger Museums (Hym. Form.). Mitteilungen der Deutschen Entomologischen Gesellschaft 4:67-75.   129029

Pseudomyrmex longior valid Peru. Neotropic.
Forel, A. 1904f. In und mit Pflanzen lebende Ameisen aus dem Amazonas-Gebiet und aus Peru, gesammelt von Herrn E. Ule. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 20:677-707.   125149

Pseudomyrmex longus valid Brazil (Minas Gerais). Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex lynceus valid Chile. Neotropic.
Spinola, M. 1851a. Insectos. Orden 7. Himenopteros. Pp. 153-569 in: Gay, C. 1851. Historia fisica y politica de Chile. Zoologia. Tomo 6. Paris: Maulde & Renon, 572 pp.   128974

Pseudomyrmex macrops valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex maculatus valid Brazil. Neotropic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex major valid Mexico (Chihuahua). Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex malignus valid Guyana. Neotropic.
Wheeler, W. M. 1921f. The Tachigalia ants. Zoologica (New York) 3:137-168.   130147

Pseudomyrmex malignus cholerica synonym of Pseudomyrmex malignus Guyana. Neotropic.
Wheeler, W. M. 1921f. The Tachigalia ants. Zoologica (New York) 3:137-168.   130147

Pseudomyrmex malignus crucians synonym of Pseudomyrmex malignus Guyana. Neotropic.
Wheeler, W. M. 1921f. The Tachigalia ants. Zoologica (New York) 3:137-168.   130147

Pseudomyrmex mandibularis valid Brazil (Pará). Neotropic.
Spinola, M. 1851b. Compte rendu des Hyménoptères inédits provenants du voyage entomologique de M. Ghiliani dans le Para en 1846. Extrait des Mémoires de l'Académie des Sciences de Turin (2)13:3-78.   128975

Pseudomyrmex mexicana synonym of Pseudomyrmex gracilis Mexico. Neotropic.
Roger, J. 1863a. Die neu aufgeführten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Ergänzung einiger früher gegebenen Beschreibungen. Berliner Entomologische Zeitschrift 7:131-214.   128093

Pseudomyrmex micans valid Peru. Neotropic.
Ward, P. S. 2017. A review of the Pseudomyrmex ferrugineus and Pseudomyrmex goeldii species groups: acacia-ants and relatives (Hymenoptera: Formicidae). Zootaxa 4227 (4):524-542.   143028

Pseudomyrmex mixtecus valid Mexico (Guerrero). Neotropic.
Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168.   129608

Pseudomyrmex modesta homonym replaced by Pseudomyrmex boopis Panama. Neotropic.
Smith, F. 1862b. Descriptions of new species of aculeate Hymenoptera, collected at Panama by R. W. Stretch, Esq., with a list of described species, and the various localities where they have previously occurred. Transactions of the Entomological Society of London (3)1:29-44.   128696

Pseudomyrmex monochrous valid
Dalla Torre, K. W. 1892. Hymenopterologische Notizen. Wiener Entomologische Zeitung 11:89-93.   124001

Pseudomyrmex mordax valid Venezuela. Neotropic.
Warming, E. 1894 ("1893"). Om et par af Myrer beboede Traeer. Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjobenhavn (5)5:173-187.   129623

Pseudomyrmex mutica synonym of Pseudomyrmex phyllophilus Brazil (Santa Catarina). Neotropic.
Mayr, G. 1887. Südamerikanische Formiciden. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 37:511-632.   127201

Pseudomyrmex mutilloides synonym of Pseudomyrmex unicolor Brazil (Bahia). Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex nexilis valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex niger valid Guyana. Neotropic.
Donisthorpe, H. 1940a. Descriptions of new species of ants (Hym., Formicidae) from various localities. Annals and Magazine of Natural History (11)5:39-48.   124295

Pseudomyrmex nigrescens synonym of Pseudomyrmex penetrator Brazil (Pará). Neotropic.
Forel, A. 1904d. Miscellanea myrmécologiques. Revue Suisse de Zoologie 12:1-52.   125147

Pseudomyrmex nigriceps synonym of Pseudomyrmex termitarius Brazil (Pará). Neotropic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex nigrocinctus valid Costa Rica. Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex nigrocinctus bicincta synonym of Pseudomyrmex nigrocinctus Costa Rica. Neotropic.
Santschi, F. 1922c. Myrmicines, dolichodérines et autres formicides néotropiques. Bulletin de la Société Vaudoise des Sciences Naturelles 54:345-378.   128339

Pseudomyrmex nigropilosus valid Costa Rica. Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex nigropilosus laticeps synonym of Pseudomyrmex maculatus Trinidad. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex nigropilosus wagneri synonym of Pseudomyrmex maculatus Argentina (Misiones). Neotropic.
Santschi, F. 1922c. Myrmicines, dolichodérines et autres formicides néotropiques. Bulletin de la Société Vaudoise des Sciences Naturelles 54:345-378.   128339

Pseudomyrmex nimbus valid Costa Rica. Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex obtusus valid Venezuela. Neotropic.
Ward, P. S. 2017. A review of the Pseudomyrmex ferrugineus and Pseudomyrmex goeldii species groups: acacia-ants and relatives (Hymenoptera: Formicidae). Zootaxa 4227 (4):524-542.   143028

Pseudomyrmex oculatus valid Brazil. Neotropic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex ogloblini synonym of Pseudomyrmex urbanus Argentina (Misiones). Neotropic.
Santschi, F. 1936d. Fourmis nouvelles ou intéressantes de la République Argentine. Revista de Entomologia (Rio de Janeiro) 6:402-421.   128428

Pseudomyrmex oki valid Colombia. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex opaciceps valid Guatemala. Neotropic.
Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168.   129608

Pseudomyrmex opacior synonym of Pseudomyrmex viduus Cuba. Neotropic.
Forel, A. 1904e. Fourmis du Musée de Bruxelles. Annales de la Société Entomologique de Belgique 48:168-177.   125148

Pseudomyrmex oryctus valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex osurus valid Costa Rica. Neotropic.
Forel, A. 1911g. Die Ameisen des K. Zoologischen Museums in München. Sitzungsberichte der Mathematischen-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften zu München 11:249-303.   125216

Pseudomyrmex pallens valid Colombia. Neotropic.
Mayr, G. 1870a. Formicidae novogranadenses. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Classe. Abteilung I 61:370-417.   127228

Pseudomyrmex pallens landolti valid Colombia. Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex pallidus valid U.S.A. (Florida). Nearctic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex particeps valid Costa Rica. Neotropic.
Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168.   129608

Pseudomyrmex parvulus valid Brazil (Amazonas). Neotropic.
Ward, P. S. 2017. A review of the Pseudomyrmex ferrugineus and Pseudomyrmex goeldii species groups: acacia-ants and relatives (Hymenoptera: Formicidae). Zootaxa 4227 (4):524-542.   143028

Pseudomyrmex pazosi valid Cuba. Neotropic.
Santschi, F. 1909a. Une nouvelle fourmi (Hym.) de Cuba. Bulletin de la Société Entomologique de France 1909:309-310.   128247

Pseudomyrmex peltata synonym of Pseudomyrmex nigrocinctus Costa Rica. Neotropic.
Menozzi, C. 1927c. Formiche raccolte dal Sig. H. Schmidt nei dintorni di San José di Costa Rica. Entomologische Mitteilungen. Berlin-Dahlem 16:266-277.   127335

Pseudomyrmex penetrator valid Brazil (Amazonas). Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex peperi valid Guatemala. Neotropic.
Forel, A. 1913m. Fourmis d'Argentine, du Brésil, du Guatémala & de Cuba reçues de M. M. Bruch, Prof. v. Ihering, Mlle Baez, M. Peper et M. Rovereto. Bulletin de la Société Vaudoise des Sciences Naturelles 49:203-250.   125250

Pseudomyrmex perboscii valid Mexico (Campeche). Neotropic.
Guérin-Méneville, F. E. 1844a. Iconographie du règne animal de G. Cuvier, ou représentation d'après nature de l'une des espèces les plus remarquables, et souvent non encore figurées, de chaque genre d'animaux. Insectes. Paris: J. B. Baillière, 576 pp.   125711

Pseudomyrmex perforator synonym of Pseudomyrmex faber Brazil (Amazonas). Neotropic.
Smith, F. 1860c. Descriptions of new genera and species of exotic Hymenoptera. Journal of Entomology 1:65-84.   128692

Pseudomyrmex peruvianus valid Peru. Neotropic.
Wheeler, W. M. 1925a. Neotropical ants in the collections of the Royal Museum of Stockholm. Arkiv för Zoologi 17A(8):1-55.   130175

Pseudomyrmex phyllophilus valid Brazil (Rio de Janeiro). Neotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Pseudomyrmex pictus valid Brazil (Acre). Neotropic.
Stitz, H. 1913. Ameisen aus Brasilien, gesammelt von Ule. (Hym.). Deutsche Entomologische Zeitschrift 1913:207-212.   129023

Pseudomyrmex pictus casta synonym of Pseudomyrmex pictus Peru. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex pictus heterogyna synonym of Pseudomyrmex pictus Bolivia. Neotropic.
Wheeler, W. M.; Mann, W. M. 1942a. [Untitled. Pseudomyrma picta Stitz var. heterogyna Wheeler and Mann, var. nov.]. Pp. 172-173 in: Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   130285

Pseudomyrmex pictus humboldi synonym of Pseudomyrmex pictus Bolivia. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex pilosula synonym of Pseudomyrmex gracilis Barbados. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex pisinnus valid Brazil (São Paulo). Neotropic.
Ward, P. S. 1989a. Systematic studies on pseudomyrmecine ants: revision of the Pseudomyrmex oculatus and P. subtilissimus species groups, with taxonomic comments on other species. Quaestiones Entomologicae 25:393-468.   129619

Pseudomyrmex prioris valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex pruinosa nomen nudum Brazil. Neotropic.
Spinola, M. 1851b. Compte rendu des Hyménoptères inédits provenants du voyage entomologique de M. Ghiliani dans le Para en 1846. Extrait des Mémoires de l'Académie des Sciences de Turin (2)13:3-78.   128975

Pseudomyrmex pupa valid Brazil (Amazonas). Neotropic.
Forel, A. 1911g. Die Ameisen des K. Zoologischen Museums in München. Sitzungsberichte der Mathematischen-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften zu München 11:249-303.   125216

Pseudomyrmex reconditus valid Nicaragua. Neotropic.
Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168.   129608

Pseudomyrmex rochai valid Brazil (Ceará). Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex rubiginosus valid Brazil (Acre). Neotropic.
Stitz, H. 1913. Ameisen aus Brasilien, gesammelt von Ule. (Hym.). Deutsche Entomologische Zeitschrift 1913:207-212.   129023

Pseudomyrmex rufa synonym of Pseudomyrmex tenuis Brazil (Amazonas). Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex rufiventris valid Paraguay. Neotropic.
Forel, A. 1911g. Die Ameisen des K. Zoologischen Museums in München. Sitzungsberichte der Mathematischen-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften zu München 11:249-303.   125216

Pseudomyrmex rufomedius valid Guatemala. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex salvini valid Mexico (Tabasco). Neotropic.
Forel, A. 1899f. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:81-104.   142483

Pseudomyrmex santschii valid Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex satanicus valid Panama. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex satanicus saffordi unresolved junior homonym Mexico (Chiapas). Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex saxulum valid U.S.A. (Montana, Eocene).
LaPolla, J. S.; Greenwalt, D. E. 2015. Fossil ants (Hymenoptera: Formicidae) of the Middle Eocene Kishenehn Formation. Sociobiology 62:163-174.   142786

Pseudomyrmex schuppi valid Brazil (Rio Grande do Sul). Neotropic.
Forel, A. 1901g. Einige neue Ameisen aus Südbrasilien, Java, Natal und Mossamedes. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 10:297-311.   125111

Pseudomyrmex schuppi confusior synonym of Pseudomyrmex schuppi Brazil (Rio Grande do Sul). Neotropic.
Forel, A. 1901g. Einige neue Ameisen aus Südbrasilien, Java, Natal und Mossamedes. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 10:297-311.   125111

Pseudomyrmex schuppi geraensis synonym of Pseudomyrmex schuppi Brazil (Minas Gerais). Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex sedula synonym of Pseudomyrmex venustus Brazil (São Paulo). Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex seminole valid U.S.A. (Florida). Nearctic.
Ward, P. S. 1985b. The Nearctic species of the genus Pseudomyrmex (Hymenoptera: Formicidae). Quaestiones Entomologicae 21:209-246.   129618

Pseudomyrmex semotus synonym of Pseudomyrmex godmani Brazil (Amapá). Neotropic.
Kempf, W. W. 1960a. Estudo sôbre Pseudomyrmex I. (Hymenoptera: Formicidae). Revista Brasileira de Entomologia 9:5-32.   126318

Pseudomyrmex sericata synonym of Pseudomyrmex gracilis Brazil. Neotropic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex sericeus valid Colombia. Neotropic.
Mayr, G. 1870a. Formicidae novogranadenses. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Classe. Abteilung I 61:370-417.   127228

Pseudomyrmex sericeus acaciarum synonym of Pseudomyrmex ita Panama. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex sericeus acaciorum synonym of Pseudomyrmex ita Panama. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex sericeus altinoda synonym of Pseudomyrmex oculatus Brazil (Rondônia). Neotropic.
Mann, W. M. 1916. The Stanford Expedition to Brazil, 1911, John C. Branner, Director. The ants of Brazil. Bulletin of the Museum of Comparative Zoology 60:399-490.   127070

Pseudomyrmex sericeus cordiae obsolete combination Peru. Neotropic.
Forel, A. 1904f. In und mit Pflanzen lebende Ameisen aus dem Amazonas-Gebiet und aus Peru, gesammelt von Herrn E. Ule. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 20:677-707.   125149

Pseudomyrmex sericeus huberi synonym of Pseudomyrmex rubiginosus Brazil (Amazonas). Neotropic.
Santschi, F. 1922c. Myrmicines, dolichodérines et autres formicides néotropiques. Bulletin de la Société Vaudoise des Sciences Naturelles 54:345-378.   128339

Pseudomyrmex simoides synonym of Pseudomyrmex perboscii Brazil (Amazonas). Neotropic.
Forel, A. 1911g. Die Ameisen des K. Zoologischen Museums in München. Sitzungsberichte der Mathematischen-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften zu München 11:249-303.   125216

Pseudomyrmex simplex valid Brazil (Amazonas). Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex simulans valid Panama. Neotropic.
Kempf, W. W. 1958f. Estudos sôbre Pseudomyrmex. II. (Hymenoptera: Formicidae). Studia Entomologica (n.s.)1:433-462.   126310

Pseudomyrmex solisi valid Argentina (Santa Fe). Neotropic.
Santschi, F. 1916e. Formicides sudaméricains nouveaux ou peu connus. Physis (Buenos Aires) 2:365-399.   128297

Pseudomyrmex solisi belgranoi valid Argentina (Tucumán). Neotropic.
Santschi, F. 1916e. Formicides sudaméricains nouveaux ou peu connus. Physis (Buenos Aires) 2:365-399.   128297

Pseudomyrmex spiculus valid Costa Rica. Neotropic.
Ward, P. S. 1989a. Systematic studies on pseudomyrmecine ants: revision of the Pseudomyrmex oculatus and P. subtilissimus species groups, with taxonomic comments on other species. Quaestiones Entomologicae 25:393-468.   129619

Pseudomyrmex spinicola valid Costa Rica. Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex spinicola atrox synonym of Pseudomyrmex spinicola Panama. Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex spinicola convarians synonym of Pseudomyrmex peperi Guatemala. Neotropic.
Forel, A. 1913m. Fourmis d'Argentine, du Brésil, du Guatémala & de Cuba reçues de M. M. Bruch, Prof. v. Ihering, Mlle Baez, M. Peper et M. Rovereto. Bulletin de la Société Vaudoise des Sciences Naturelles 49:203-250.   125250

Pseudomyrmex spinicola gaigei synonym of Pseudomyrmex spinicola Colombia. Neotropic.
Forel, A. 1914c. Einige amerikanische Ameisen. Deutsche Entomologische Zeitschrift 1914:615-620.   125253

Pseudomyrmex spinicola infernalis synonym of Pseudomyrmex spinicola Panama. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex spinicola infernalis unresolved junior homonym Panama. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex spinicola scelerosus synonym of Pseudomyrmex spinicola Nicaragua. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex spinicola scelerosus unresolved junior homonym Nicaragua. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex squamifer valid Brazil (Rio Grande do Sul). Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex stolli synonym of Pseudomyrmex rufomedius Guatemala. Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex subater valid Haiti. Neotropic.
Wheeler, W. M.; Mann, W. M. 1914. The ants of Haiti. Bulletin of the American Museum of Natural History 33:1-61.   130283

Pseudomyrmex subtilissimus valid Costa Rica. Neotropic.
Emery, C. 1890c. Studii sulle formiche della fauna neotropica. Bullettino della Società Entomologica Italiana 22:38-80.   124551

Pseudomyrmex succinea nomen nudum Brazil. Neotropic.
Spinola, M. 1851b. Compte rendu des Hyménoptères inédits provenants du voyage entomologique de M. Ghiliani dans le Para en 1846. Extrait des Mémoires de l'Académie des Sciences de Turin (2)13:3-78.   128975

Pseudomyrmex succinus valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex tachigaliae valid Peru. Neotropic.
Forel, A. 1904f. In und mit Pflanzen lebende Ameisen aus dem Amazonas-Gebiet und aus Peru, gesammelt von Herrn E. Ule. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 20:677-707.   125149

Pseudomyrmex tenuis valid Guyana. Neotropic.
Fabricius, J. C. 1804. Systema Piezatorum secundum ordines, genera, species, adjectis synonymis, locis, observationibus, descriptionibus. Brunswick: C. Reichard, xiv + 15-439 + 30 pp.   124870

Pseudomyrmex tenuis andina synonym of Pseudomyrmex tenuis Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex tenuis guatemalensis synonym of Pseudomyrmex boopis Guatemala. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex tenuis paraensis synonym of Pseudomyrmex tenuis Brazil (Pará). Neotropic.
Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32.   125230

Pseudomyrmex tenuis pittieri synonym of Pseudomyrmex tenuis Costa Rica. Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex tenuissimus valid Brazil (Mato Grosso). Neotropic.
Emery, C. 1906c ("1905"). Studi sulle formiche della fauna Neotropica. XXXVII. Bullettino della Società Entomologica Italiana 37 (1905):107-194.   124672

Pseudomyrmex terminalis valid Brazil (Pará). Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex termitarius valid Brazil. Neotropic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex testacea synonym of Pseudomyrmex perboscii Peru. Neotropic.
Smith, F. 1852. Descriptions of some hymenopterous insects captured in India, with notes on their economy, by Ezra T. Downes, Esq., who presented them to the Honourable the East India Company. Annals and Magazine of Natural History (2)9:44-50.   128668

Pseudomyrmex thecolor valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex thoracica synonym of Pseudomyrmex boopis Mexico (Veracruz). Neotropic.
Norton, E. 1868c. Description of Mexican ants noticed in the American Naturalist, April, 1868. Proceedings of the Essex Institute (Communications) 6:1-10.   127540

Pseudomyrmex triplaridis valid Brazil (Amazonas). Neotropic.
Forel, A. 1904f. In und mit Pflanzen lebende Ameisen aus dem Amazonas-Gebiet und aus Peru, gesammelt von Herrn E. Ule. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 20:677-707.   125149

Pseudomyrmex triplaridis baileyi synonym of Pseudomyrmex viduus Guyana. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex triplaridis biolleyi synonym of Pseudomyrmex viduus Guyana. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex triplaridis boxi synonym of Pseudomyrmex triplaridis Guyana. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex triplaridis boxi unresolved junior homonym Guyana. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex triplaridis tigrina synonym of Pseudomyrmex viduus Guyana. Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex triplaridis trigona synonym of Pseudomyrmex viduus Guyana. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex triplarinus valid Bolivia. Neotropic.
Weddell, H. A. 1850. Additions à la flore de l'Amérique du Sud (Suite). [part]. Annales des Sciences Naturelles, Botanique (3)13:256-268.   129766

Pseudomyrmex triplarinus rurrenabaquensis synonym of Pseudomyrmex triplarinus Bolivia. Neotropic.
Wheeler, W. M.; Mann, W. M. 1942b. [Untitled. Pseudomyrma triplarina (Weddell) var. rurrenabaquensis Wheeler & Mann, var. nov.]. Pp. 188-189 in: Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   130286

Pseudomyrmex ulei synonym of Pseudomyrmex viduus Brazil (Amazonas). Neotropic.
Forel, A. 1904f. In und mit Pflanzen lebende Ameisen aus dem Amazonas-Gebiet und aus Peru, gesammelt von Herrn E. Ule. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 20:677-707.   125149

Pseudomyrmex ultrix valid Ecuador. Neotropic.
Ward, P. S. 1999b. Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants. Zoological Journal of the Linnean Society 126:451-540.   132567

Pseudomyrmex unicolor valid Brazil. Neotropic.
Smith, F. 1855c. Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates). Transactions of the Entomological Society of London (2)3:156-169.   128681

Pseudomyrmex unicolor homonym replaced by Pseudomyrmex monochrous Brazil. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex unicolor anceps synonym of Pseudomyrmex unicolor Brazil (Minas Gerais). Neotropic.
Santschi, F. 1925d. Nouveaux Formicides brésiliens et autres. Bulletin et Annales de la Société Entomologique de Belgique 65:221-247.   128356

Pseudomyrmex urbanus valid Brazil (Amazonas). Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex variabilis synonym of Pseudomyrmex gracilis Barbados. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex veneficus valid Mexico (Sinaloa). Neotropic.
Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262.   129956

Pseudomyrmex venustus valid Brazil (Amazonas). Neotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Pseudomyrmex veracruzensis valid Mexico (Veracruz). Neotropic.
Ward, P. S.; Branstetter, M. G. 2022. Species paraphyly and social parasitism: phylogenomics, morphology, and geography clarify the evolution of the Pseudomyrmex elongatulus group (Hymenoptera: Formicidae), a Mesoamerican ant clade. Insect Systematics and Diversity 6 (1): 4:1-31.   143950

Pseudomyrmex vicinus valid Dominican Republic (Dominican Amber, Miocene).
Ward, P. S. 1992. Ants of the genus Pseudomyrmex (Hymenoptera: Formicidae) from Dominican amber, with a synopsis of the extant Antillean species. Psyche (Cambridge) 99:55-85.   129607

Pseudomyrmex viduus valid Brazil (Amazonas). Neotropic.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Pseudomyrmex villosus valid Brazil (Mato Grosso). Neotropic.
Ward, P. S. 1989a. Systematic studies on pseudomyrmecine ants: revision of the Pseudomyrmex oculatus and P. subtilissimus species groups, with taxonomic comments on other species. Quaestiones Entomologicae 25:393-468.   129619

Pseudomyrmex vinneni valid Brazil (Amazonas). Neotropic.
Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249.   125167

Pseudomyrmex vitabilis valid Colombia. Neotropic.
Ward, P. S. 1999b. Systematics, biogeography and host plant associations of the Pseudomyrmex viduus group (Hymenoptera: Formicidae), Triplaris- and Tachigali-inhabiting ants. Zoological Journal of the Linnean Society 126:451-540.   132567

Pseudomyrmex volatilis synonym of Pseudomyrmex gracilis Mexico. Neotropic.
Smith, F. 1877b. Descriptions of new species of the genera Pseudomyrma and Tetraponera, belonging to the family Myrmicidae. Transactions of the Entomological Society of London 1877:57-72.   128720

Pseudomyrmex voytowskii valid Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex voytowskii costaricensis valid Costa Rica. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex wasmanni synonym of Pseudomyrmex ferrugineus
Wheeler, W. M. 1921b. A new case of parabiosis and the "ant gardens" of British Guiana. Ecology 2:89-103.   130143

Pseudomyrmex weberi valid Guatemala. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex wessoni synonym of Pseudomyrmex oculatus Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex wessoni tuberculata synonym of Pseudomyrmex oculatus Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779

Pseudomyrmex wheeleri valid Peru. Neotropic.
Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103.   124779