Dekoninck, W.; Wauters, N.; Delsinne, T. 2019. Hormigas invasoras en Colombia. Capítulo 35. Pp. 1149-1169 in: Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF

Dash, S. T.; Mackay, W. P. 2019. Género Hypoponera. Capítulo 18. Pp. 555-569 in: Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF

Boudinot, B. E. 2019. Clave para las subfamílias y géneros basada en machos. Capítulo 15. Pp. 487-499 in: Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF

Billen, J. P. J. 2019. Diversidad y morfología de las glándulas exocrinas en las hormigas. Pp. 165-174 in: Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF

Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp.

Notes: ISBN 978-958-783-766-7

Mackay, W.P. 2019. New World carpenter ants of the hyperdiverse genus Camponotus. Volume 1: Introduction, Keys to the subgenera and species complexes and the subgenus Camponotus. Mauritius: LAP LAMBERT Academic Publishing, 412 pp.

Notes: ISBN: 978-620-0-09424-7

Wang, W. Y.; Yamada, A.; Yamane, S. 2020. Maritime trap-jaw ants (Hymenoptera, Formicidae, Ponerinae) of the Indo-Australian region – redescription of Odontomachus malignus Smith and description of a related new species from Singapore, including first descriptions of males. ZooKeys 915:137-174. 10.3897/zookeys.915.38968 PDF

Barden, P.; Engel, M. S. 2019. Fossil Social Insects. Cham: Springer Nature, 1-21. [online early] 10.1007/978-3-319-90306-4_45-1 PDF

Scupola, A. 2019. New ant species of Myrmicaria Saunders, 1842 (Hymenoptera Formicidae) from Senegal, a second species with subpetiolar process in this genus. Biodiversity Journal 10:601-607. doi.org/10.31396/Biodiv.Jour.2019.10.4.601.607 PDF

Cantone, S. M. 2019. As asas das formigas (Hymenoptera: Formicidae): estudo comparativo e chaves de identificação das castas aladas (tese doutorado). São Paulo: Universidade Estadual Paulista (UNESP), Pp. 615. PDF

Newell, W. 1908. Notes on the habits of the Argentine or "New Orleans" ant, Iridomyrmex humilis Mayr. Journal of Economic Entomology 1:21-34. PDF

Perfilieva, K. S. 2011. New data on the wing morphology of the Cretaceous Sphecomyrminae ants (Hymenoptera: Formicidae). Paleontological Journal 45 (3):275-283. 10.1134/S0031030111030117 PDF

Rasnitsyn, A. P. 1969. The origin and evolution of lower Hymenoptera [in Russian; original Russian title: 'Proiskhozhdenie i evolyutsiya nizshikh pereponchatokrylykh']. Trudy Paleontologicheskogo Instituta. Akademii Nauk SSSR 123:1-196. PDF

Dubovikoff, D. A.; Dlussky, G. M. 2019. [New species Eldermyrmex exsectus attributed to Dubovikoff & Dlussky]. Pp. 995-997 in: Dubovikoff, D. A.; Dlussky, G. M.; Perkovsky, E. E.; Abakumov, E. V. 2019. A new species of the genus Eldermyrmex Shattuck, 2011 (Hymenoptera, Formicidae) from Bitterfeld amber (Late Eocene) with species key of the genus. Paleontological Journal 53 (10):994-997. 10.1134/S0031030119100046 PDF

Dubovikoff, D. A.; Dlussky, G. M.; Perkovsky, E. E.; Abakumov, E. V. 2019. A new species of the genus Eldermyrmex Shattuck, 2011 (Hymenoptera, Formicidae) from Bitterfeld amber (Late Eocene) with species key of the genus. Paleontological Journal 53 (10):994-997. 10.1134/S0031030119100046 PDF

Sharaf, M. R.; Hita Garcia, F. 2019. [New species Crematogaster jacindae attributed to Sharaf & Hita Garcia}. Pp. 58-62 in: Sharaf, M. R.; Aldawood, A. S.; Hita Garcia, F. 2019. Review of the Arabian Crematogaster Lund (Hymenoptera, Formicidae), synoptic list, distribution, and description of two new species from Oman and Saudi Arabia. ZooKeys 898:27-81. PDF

Sharaf, M. R.; Hita Garcia, F. 2019. [New species Crematogaster gryllsi attributed to Sharaf & Hita Garcia]. Pp. 52-57 in: Sharaf, M. R.; Aldawood, A. S.; Hita Garcia, F. 2019. Review of the Arabian Crematogaster Lund (Hymenoptera, Formicidae), synoptic list, distribution, and description of two new species from Oman and Saudi Arabia. ZooKeys 898:27-81. PDF

Rabeling, C.; Messer, S.; Lacau, S.; Delabie, J. H. C. 2019. {New species Acromyrmex fowleri attributed to Rabeling, Messer, Lacau & Delabie]. Pp. 445-448-3 in: Rabeling, C.; Messer, S.; Lacau, S.; do Nascimento, I. C.; Bacci, M., Jr.; Delabie, J. H. C. 2019. Acromyrmex fowleri: A new inquiline social parasite species of leaf‑cutting ants from South America, with a discussion of social parasite biogeography in the Neotropical region. Insectes Sociaux 66:435-451. PDF

Rabeling, C.; Messer, S.; Lacau, S.; do Nascimento, I. C.; Bacci, M., Jr.; Delabie, J. H. C. 2019. Acromyrmex fowleri: A new inquiline social parasite species of leaf‑cutting ants from South America, with a discussion of social parasite biogeography in the Neotropical region. Insectes Sociaux 66:435-451. 10.1007/s00040-019-00705-z PDF

Sharaf, M. R.; Wachkoo, A. A.; Hita Garcia, F. 2019. {New species Temnothorax elmenshawyi attributed to Sharaf, Wachkoo, Hita Garcia]. Pp. 2-3 in: Sharaf, M. R.; Aldawood, A. S.; Economo, E. P.; Wachkoo, A. A.; Hita Garcia, F. 2019. Taxonomy of Arabian Temnothorax Mayr (Formicidae: Myrmicinae) with description of a new species enhanced by x-ray microtomography. Scientific Reports 9:7 pp. 11009. PDF

Salata, S.; Fisher, B. L. 2020a. Pheidole Westwood, 1839 (Hymenoptera, Formicidae) of Madagascar – an introduction and a taxonomic revision of eleven species groups. ZooKeys 905:1-235. 10.3897/zookeys.905.39592 PDF

Khalife, A.; Keller, R. A.; Billen, J.; Hita Garcia, F.; Economo, E. P.; Peeters, C. 2018. Skeletomuscular adaptations of head and legs of Melissotarsus ants for tunnelling through living wood. Frontiers in Zoology 15 (30):11 pp. 10.1186/s12983-018-0277-6 PDF

Notes: Melissotarsus anatomy, morphological adaptations

Yamada, A.; Nguyen, D. D.; Eguchi, K. 2020. Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma Yamane, Bui & Eguchi, 2008 (Hymenoptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus. Myrmecological News 30:27-52. 10.25849/myrmecol.news_030:027 PDF

Perrichot, V.; Wang, B.; Barden, P. 2020. New remarkable hell ants (Formicidae: Haidomyrmecinae stat. nov.) from mid-Cretaceous amber of northern Myanmar. Cretaceous Research 109 (104381):18 pp. https://doi.org/10.1016/j.cretres.2020.104381 PDF

Lebas, C.; Galkowski, C. 2019b. Notes sur le genre Proformica Ruzsky, 1902 (Hymenoptera, Formicidae) : redécouverte en Grèce de Proformica oculatissima (Forel, 1886). Bulletin de la Société Linnéenne de Bordeaux 154 (n. s. 47) (3-4):293-298. PDF

Lebas, C.; Galkowski, C. 2019a. Notes sur le genre Proformica Ruzsky (Hymenoptera, Formicidae). Revue de l'Association Roussillonnaise d'Entomologie 28 (4):218-222. PDF

Fernandes, I. O.; Delabie, J. H. C.; Fernández, F. 2019. Contribution to the knowledge of the genus Proceratium Roger (Hymenoptera: Formicidae: Proceratiinae) in the New World. Sociobiology 66 (4):551-559. 10.13102/sociobiology.v66i4.4484 PDF

Perrichot, V.; Salas-Gismondi, R.; Antoine, P.-O. 2019. The ant genus Tapinoma Förster (Formicidae: Dolichoderinae) in Miocene amber of Peru. Palaeoentomology 2 (6):585-590. 10.11646/palaeoentomology.2.6.8 PDF

Sparks, K. S.; Andersen, A. N.; Austin, A. D. 2019. A multi-gene phylogeny of Australian Monomorium Mayr (Hymenoptera : Formicidae) results in reinterpretation of the genus and resurrection of Chelaner Emery. Invertebrate Systematics 33:225-236. 10.1071/ISI6080 PDF

Jouault, C.; Ramage, T.; Perrichot, V. 2019. [New species Lioponera neocaledonica attributed to Jouault, Ramage & Perrichot]. Pp. 7-8 in: Ramage, T.; Jouault, C.; Schmidt, A. R.; Seyfullah, L. J.; Perrichot, V. 2019. Two new ant species (Formicidae: Dorylinae, Ponerinae) from New Caledonia. European Journal of Taxonomy 589:1-14. 10.5852/ejt.2019.589 PDF