Wheeler, W. M. 1935. [Untitled. New species of Allomerus attributed to W. M. Wheeler.]. Pp. 92-98 in: Wheeler, G. C. 1935. The larva of Allomerus (Hym.: Formicidae). Psyche (Cambridge) 42:92-98. PDF

Boudinot, B. E.; Borowiec, M. L.; Prebus, M. M. 2022. Phylogeny, evolution, and classification of the ant genus Lasius, the tribe Lasiini and the subfamily Formicinae (Hymenoptera: Formicidae). Systematic Entomology 47:113-151. 10.1111/syen.12522 PDF

Seifert, B.; Schultz, R. 2021. A taxonomic revision of the Palaearctic ant subgenus Coptoformica Müller, 1923 (Hymenoptera, Formicidae). Contributions to Entomology 71 (2):177-220. 10.21248/contrib.entomol.71.2.177-220 PDF

Liu, X.; Xu, Z.; Hita Garcia, F. 2021. Taxonomic review of the ant genus Lordomyrma Emery, 1897 (Hymenoptera, Formicidae) from China, with description of two new species and an identification key to the known species of the world. Asian Myrmecology 14:34 pp. e014007. [online early] 10.20362/am.014007 PDF

Notes: Published online 31 December 2021.

Harshana, A.; Dey, D. 2021. First record of the ant genus Agraulomyrmex Prins, 1983 (Formicidae: Formicinae) from India, with description of a new species. Oriental Insects ?:1-9. 10.1080/00305316.2021.2023056 PDF

General, D. E. M.; Buenavente, P. A. C. 2021. The real deal: the ant species, Pheidole sauberi (Hymenoptera: Formicidae), first description of the queen and first record of a mermithergate in the Philippines. Philippine Journal of Systematic Biology 15 (1):1–8. 10.26757/pjsb2021a1500x PDF

Schifani, E.; Scupola, A.; Menchetti, M.; Bazzato, E.; Espadaler, X. 2021. Morphology and phenology of sexuals and new distribution data on the blind Mediterranean ant Hypoponera abeillei (Hymenoptera, Formicidae). Sociobiology 68 (4):11 pp. e7261. 10.13102/sociobiology.v68i4.7261 PDF

Dias, A. M.; Lattke, J. E. 2021. Large ants are not easy – the taxonomy of Dinoponera Roger (Hymenoptera: Formicidae: Ponerinae). European Journal of Taxonomy 784:1–66. 10.5852/ejt.2021.784.1603 PDF

Radchenko, A. G.; Elmes, G. W. 2006. [Untitled. New species of Myrmica attributed to A.G. Radchenko and G.W. Elmes.]. Pp. 507-513 in: Radchenko, A. G.; Elmes, G. W.; Alicata, A. 2006. Taxonomic revision of the schencki-group of the ant genus Myrmica Latreille (Hymenoptera: Formicidae) from the Palaearctic region. Annales Zoologici (Warsaw) 56:499-538. PDF

Branstetter, M. G.; Longino, J. T. 2019. Ultra-conserved element phylogenomics of New World Ponera (Hymenoptera: Formicidae) illuminates the origin and phylogeographic history of the endemic exotic ant Ponera exotica. Insect Systematics and Diversity 3 (2): 1:1-13. 10.1093/isd/ixz001 PDF

Radchenko, A. G. 2021. New species of the fossil ant genus Drymomyrmex (Hymenoptera, Formicidae, Formicinae) from the late Eocene Rovno amber (Ukraine). Palaeoentomology 4 (6):544-549. 10.11646/palaeoentomology.4.6.4 PDF

Bezdĕčková, K.; Bezděčka, P.; Malenovský, I. 2017. Catalogue of type specimens of ants (Hymenoptera: Formicidae) deposited in Czech museums. Acta Entomologica Musei Nationalis Pragae 57 (1):295–308. 10.1515/aemnp-2017-0076 PDF

Jouault, C.; Nel, A. 2021 ("2022"). The oldest Cenozoic ant fossil: †Tyrannomecia gen. nov. (Formicidae: Myrmeciinae) from the Palaeocene Menat Formation (France). Historical Biology 34:2241-2248. 10.1080/08912963.2021.2010192 PDF

Kollar, V. 1832. [Untitled. New species of Cephalotes attributed to V. Kollar.]. P. 17 in: Pohl, I. E.; Kollar, V. 1832. Brasiliens vorzüglich lästige Insecten. Besonderer Abdruck aus der Reise im Innern von Brasilien von Dr. Pohl. Wien: publisher/printer not given, 20 pp.

Esteves, F. A.; Fisher, B. L. 2021. Corrieopone nouragues gen. nov., sp. nov., a new Ponerinae from French Guiana (Hymenoptera, Formicidae). ZooKeys 1074:83–173. https://doi.org/10.3897/zookeys.1074.75551 PDF

Filipiev, I. N. (ed.) 1928. Key for insects [Opredelitel' nasekomykh] [in Russian]. Moscow: Novaya Derevnya Publishing House, 940 pp.

Khachonpisitsak, S.; Yamane, S.; Sriwichai, P.; Jaitrong, W. 2020. An updated checklist of the ants of Thailand (Hymenoptera, Formicidae). ZooKeys 998:1-182. 10.3897/zookeys.998.54902 PDF

Alpatov, V. V.; Arnol'di, K. V. 1928. Family Formicidae. Pp. 711-727 in: Filipiev, I. N. (ed.) 1928. Key for insects [Opredelitel' nasekomykh] [in Russian]. Moscow: Novaya Derevnya Publishing House, 940 pp.

Zhong, Y. 2021. Taxonomy of the ant genus Pheidole Westwood (Hymenoptera: Formicidae) from Fujian, China with description of a new species. Entomotaxonomia 43 (4):5 pp. 10.11680/entomotax.2021035 PDF

Griebenow, Z. 2021. Synonymisation of the male-based ant genus Phaulomyrma (Hymenoptera: Formicidae) with Leptanilla based upon Bayesian total-evidence phylogenetic inference. Invertebrate Systematics 35:603–636. 10.1071/IS20059 PDF

Godfrey, R. K.; Oberski, J. T.; Allmark, T.; Givens, C.; Hernandez-Rivera, J.; Gronenberg, W. 2021. Olfactory system morphology suggests colony size drives trait evolution in odorous ants (Formicidae: Dolichoderinae). Frontiers in Ecology and Evolution 9:733023. 10.3389/fevo.2021.733023 PDF

Notes: Species of Dorymyrmex and Forelius studied

Booher, D. B. 2021. The ant genus Strumigenys Smith, 1860 (Hymenoptera: Formicidae) in western North America north of Mexico. Zootaxa 5061 (2):201-248. 10.11646/zootaxa.5061.2.1 PDF

Ito, F.; Hashim, R.; Mizuno, R.; Billen, J. 2022. Notes on the biology of Protanilla sp. (Hymenoptera, Formicidae) collected in Ulu Gombak, Peninsular Malaysia. Insectes Sociaux 69:13-18. 10.1007/s00040-021-00839-z PDF

Notes: Published "online early" 27 Oct 2021, without volume number or final pagination.

Wetterer, J. K. 2021. Ants (Hymenoptera, Formicidae) of Saint Vincent, West Indies. Sociobiology 68 (2):5pp. e6725. 10.13102/sociobiology.v68i2.6725 PDF

Ulysséa, M. A. 2021. [Untitled. New species of Hylomyrma attributed to M.A. Ulysséa.]. Pp. 19-21, 37-39, 52-58, 63-83, 86-88, 94-96, 123-135 in: Ulysséa, M. A.; Brandão, C. R. F. 2021. Taxonomic revision of the Neotropical ant genus Hylomyrma Forel, 1912 (Hymenoptera: Formicidae: Myrmicinae), with the description of fourteen new species. Zootaxa 5055 (1):1-137. PDF

Ulysséa, M. A.; Brandão, C. R. F. 2021. Taxonomic revision of the Neotropical ant genus Hylomyrma Forel, 1912 (Hymenoptera: Formicidae: Myrmicinae), with the description of fourteen new species. Zootaxa 5055 (1):1-137. 10.11646/zootaxa.5055.1.1 PDF

Borowiec, L.; Salata, S. 2021. Notes on ants (Hymenoptera: Formicidae) from Western Greece. Annals of the Upper Silesian Museum, Entomology 005:1-23. 10.5281/zenodo.5571258 PDF

Borowiec, L.; Wieczorek, K.; Salata, S. 2021. Review of ants (Hymenoptera: Formicidae) of the Dodecanese Archipelago, Greece. Annals of the Upper Silesian Museum (Entomology) 006:1-33. 10.5281/zenodo.5571270 PDF

Zhuang, Y.; Ran, H.; Li, X.; Feng, C.; Liu, Y. 2022. A new species of the iron maiden ant based on an alate female from mid-Cretaceous Burmese amber (Hymenoptera: Formicidae: †Zigrasimecia). Cretaceous Research 130:105056 (5 pp.). 10.1016/j.cretres.2021.105056 PDF

Adams, R. M. M.; Larsen, R. S.; Stylianidi, N.; Cheung, D.; Qiu, B.; Murray, S. K.; Zhang, G.; Boomsma, J. J. 2021. Hairs distinguish castes and sexes: identifying the early ontogenetic building blocks of a fungus-farming superorganism (Hymenoptera: Formicidae). Myrmecological News 31:201-216. 10.25849/myrmecol.news_031:201 PDF