McCook, H. C. 1881. The honey ants of the Garden of the Gods. [part]. Proceedings of the Academy of Natural Sciences of Philadelphia 33:25-56.

Radchenko, A. G.; Perkovsky, E. E. 2020. New finds of the fossil ant genus Prionomyrmex Mayr (Hymenoptera, Formicidae, Myrmeciinae) in Late Eocene European amber. Paleontological Journal 54:617-626. PDF

Emery, C. 1893m. [Untitled. Taxonomic changes in various genera attributed to Emery.]. Pp. 4-266 in: Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF

Brown, W. L., Jr. 1957k. [Untitled. Taxonomic changes in Alfaria, Gnamptogenys, Heteroponera, Opisthoscyphus, Paranomopone, Proceratium and Sysphingta attributed to Brown.]. Pp. 112-118 in: Borgmeier, T. 1957a. Myrmecologische Studien, I. Anais da Academia Brasileira de Ciencias 29:103-128. PDF

Brown, W. L., Jr. 1994. [Untitled. Taxonomic changes in Pachycondyla, Emeryopone and Ponera attributed to Brown.]. P. 164 in: Bolton, B. 1994. Identification guide to the ant genera of the world. Cambridge, Mass.: Harvard University Press, 222 pp.

Shuckard, W. E. 1840e. [Untitled. Taxonomic changes in Eciton, Formica, Lasius, Myrmecia and Polyrhachis attributed to Shuckard.]. Pp. 172-174 in: Swainson, W.; Shuckard, W. E. 1840. On the history and natural arrangement of insects. London: Longman, Brown, Green & Longman's, 406 pp. PDF

Fernández, F. C. 2006b. [Untitled. Taxonomic changes in Monomorium attributed to Fernández.]. P. 79 in: Heterick, B. 2006. A revision of the Malagasy ants belonging to genus Monomorium Mayr, 1855 (Hymenoptera: Formicidae). Proceedings of the California Academy of Sciences (4)57:69-202. PDF

Emery, C. 1902d. [Untitled. Taxonomic changes in Cataglyphis attributed to Emery.]. P. 463 in: Forel, A. 1902i. Fourmis d'Algérie récoltées par M. le Dr. K. Escherich. Annales de la Société Entomologique de Belgique 46:462-463. PDF

Brown, W. L., Jr. 1958k. [Untitled. Taxonomic changes in Prionopelta attributed to Brown.]. P. 149 in: Wilson, E. O. 1958c. Studies on the ant fauna of Melanesia. I. The tribe Leptogenyini. II. The tribes Amblyoponini and Platythyreini. Bulletin of the Museum of Comparative Zoology 118:101-153. PDF

Brown, W. L., Jr. 1966d. [Untitled. Taxonomic changes in Monomorium attributed to Brown.]. P. 90 in: Ettershank, G. 1966. A generic revision of the world Myrmicinae related to Solenopsis and Pheidologeton (Hymenoptera: Formicidae). Australian Journal of Zoology 14:73-171. PDF

Blatrix, R.; Aubert, C.; Decaëns, T.; Berquier, C.; Andrei-Ruiz, M.-C.; Galkowski, C. 2020. Contribution of a DNA barcode to an assessment of the specificity of ant taxa (Hymenoptera: Formicidae) on Corsica. European Journal of Entomology 117(1):420-429. 10.14411/eje.2020.046 PDF

Sharaf, M. R.; Gotzek, D.; Guénard, B.; Fisher, B. L.; Aldawood, A. S.; Al Dhafer, H. M.; Mohamed, A. A. 2020. Molecular phylogenetic analysis and morphological reassessments of thief ants identify a new potential case of biological invasions. Scientific Reports 10:12040. 10.1038/s41598-020-69029-4 PDF

do Prado, L. P.; Adams, R. M. M. 2020. New species in: Venom function of a new species of Megalomyrmex Forel, 1885 (Hymenoptera: Formicidae). Pp. 3-8 in: Sozanski, K.; do Prado, L. P.; Mularo, A. J.; Sadowski, V. A.; Jones, T. H.; Adams, R. M. M. 2020. Venom function of a new species of Megalomyrmex Forel, 1885 (Hymenoptera: Formicidae). Toxins 12:1-17. 10.3390/toxins12110679 PDF

Sozanski, K.; do Prado, L. P.; Mularo, A. J.; Sadowski, V. A.; Jones, T. H.; Adams, R. M. M. 2020. Venom function of a new species of Megalomyrmex Forel, 1885 (Hymenoptera: Formicidae). Toxins 12:1-17. 10.3390/toxins12110679 PDF

Wachkoo, A. A.; Bharti, H.; Akbar, S. A. 2020. Taxonomy and geographic distribution of the ant genus Odontoponera Mayr, 1862 (Hymenoptera: Formicidae) in India. Entomologist's Monthly Magazine 156:245-252. 10.31184/M00138908.1564.4049 PDF

Brassard, F.; Leong, C.-M.; Guénard, B. 2020. [New species Strumigenys subterranea attributed to Brassard, Leong and Guénard]. Pp. 65-73 in: Brassard, F.; Leong, C.-M.; Chan, H.-H.; Guénard, B. 2020. A new subterranean species and an updated checklist of Strumigenys (Hymenoptera, Formicidae) from Macao SAR, China, with a key to species of the Greater Bay Area. ZooKeys 970:63–116. PDF

Brassard, F.; Leong, C.-M.; Chan, H.-H.; Guénard, B. 2020. A new subterranean species and an updated checklist of Strumigenys (Hymenoptera, Formicidae) from Macao SAR, China, with a key to species of the Greater Bay Area. ZooKeys 970:63–116. 10.3897/zookeys.970.54958 PDF

Sharaf, M. R. 2020. [New species Nesomyrmex micheleae attributted to Sharaf]. Pp. 355-360 in: Sharaf, M. R.; Mohamed, A. A.; Al Dhafer, H. M.; Aldawood, A. S. 2020. Nesomyrmex micheleae, a new ant species (Hymenoptera: Formicidae) from the Dhofar Governorate, Oman, with a synoptic list, distribution map and key to the Arabian Nesomyrmex. Journal of Natural History 54:351–365. PDF

Sharaf, M. R.; Mohamed, A. A.; Al Dhafer, H. M.; Aldawood, A. S. 2020. Nesomyrmex micheleae, a new ant species (Hymenoptera: Formicidae) from the Dhofar Governorate, Oman, with a synoptic list, distribution map and key to the Arabian Nesomyrmex. Journal of Natural History 54:351–365. 10.1080/00222933.2020.1762013 PDF

Boer, P.; Loss, A. C.; Bakker, F.; Beentjes, K.; Fisher, B. L. 2020. Monomorium sahlbergi Emery, 1898 (Formicidae, Hymenoptera): a cryptic globally introduced species. ZooKeys 979:87–97. 10.3897/zookeys.979.55342 PDF

Zhou, S. Y.; Chen, D. N.; Chen, Z. L. 2020. Discovery of novel Ooceraea (Hymenoptera: Formicidae: Dorylinae) species with 8-segmented antennae from China. Sociobiology 67 (2):139-143. 10.13102/sociobiology.v67i2.3740 PDF

Hosoishi, S. 2020. Taxonomic review of the Crematogaster ransonneti-group in Asia, with description of a new species from Malaysia (Hymenoptera: Formicidae: Myrmicinae). Raffles Bulletin of Zoology 68:759-768. 10.26107/RBZ-2020-0087 PDF

Joma, A. M. A.; Mackay, W. P. 2020. Revision of the African ants of the Bothroponera talpa species complex (Hymenoptera: Formicidae: Ponerinae). Transactions of the American Entomological Society 146 (2):355-408. 10.3157/061.146.0206 PDF

Seifert, B. 2020b. Revision of the Plagiolepis schmitzii group with description of Pl. invadens sp. nov. – a new invasive supercolonial species (Hymenoptera: Formicidae). Deutsche Entomologische Zeitschrift 67 (2):183-196. 10.3897/dez.67.53199 PDF

Nsengimana, V.; Dekoninck, W. 2020. A preliminary checklist of ants from Rwanda (Hymenoptera, Formicidae). Belgian Journal of Entomology 101:1-22. PDF

Booher, D. B.; Uhey, D. 2020. New Native Trap-Jaw Ant, Strumigenys Smith, from the Neotropical Excisa Species Group Discovered in a Disjunct Region and Climate on the Colorado Plateau. Southwestern Entomologist 45(3):663-672. doi.org/10.3398/064.079.0403 PDF

General, D. E. M. 2020. Vombisidris freyae, a new nocturnal arboreal ant species from the Philippines (Hymenoptera: Formicidae). Halteres 11:32-35. 10.5281/zenodo.4026486 PDF

Rabeling, C.; Schultz, T. R.; Pierce, N. E.; Bacci, M., Jr. 2014. A social parasite evolved reproductive isolation from its fungus-growing ant host in sympatry. Current Biology 24 (7):2047-2052. 10.1016/j.cub.2014.07.048 PDF

Notes: Phylogeny of Mycocepurus

Hawkes, P. G. 2020. A new species in the Tetramorium solidum-group (Hymenoptera, Formicidae, Myrmicinae) from the Richtersveld National Park, South Africa, with an assessment of threats and conservation status. ZooKeys 965:55–71. 10.3897/zookeys.965.52735 PDF

Lingafelter, S. W.; Nearns, E. H. 2013. Elucidating Article 45.6 of the International Code of Zoological Nomenclature: A dichotomous key for the determination of subspecific or infrasubspecific rank. Zootaxa 3709 (6):597–600. 10.11646/zootaxa.3709.6.9 PDF